Data Last Updated: November 1, 2024

SAN DIEGO County, CA ZIP Codes

SAN DIEGO County, CA Covers 181 ZIP Codes

ZIP Code	Classification	City	Population	Timezone	Area Code(s)
ZIP Code 91901	General	Alpine	17,688	Pacific	619/858
ZIP Code 91902	General	Bonita	17,902	Pacific	619
ZIP Code 91903	P.O. Box	Alpine	0	Pacific	619/858
ZIP Code 91905	General	Boulevard	1,799	Pacific	619/760
ZIP Code 91906	General	Campo	3,904	Pacific	619/858
ZIP Code 91908	P.O. Box	Bonita	0	Pacific	619
ZIP Code 91909	P.O. Box	Chula Vista	0	Pacific	619/858
ZIP Code 91910	General	Chula Vista	79,613	Pacific	619/858
ZIP Code 91911	General	Chula Vista	85,442	Pacific	619/858
ZIP Code 91912	P.O. Box	Chula Vista	0	Pacific	619/858
ZIP Code 91913	General	Chula Vista	55,923	Pacific	619/858
ZIP Code 91914	General	Chula Vista	17,522	Pacific	619
ZIP Code 91915	General	Chula Vista	33,218	Pacific	619
ZIP Code 91916	General	Descanso	1,720	Pacific	619/858
ZIP Code 91917	General	Dulzura	1,126	Pacific	619
ZIP Code 91921	P.O. Box	Chula Vista	0	Pacific	619/858
ZIP Code 91931	P.O. Box	Guatay	481	Pacific	619/858
ZIP Code 91932	General	Imperial Beach	26,013	Pacific	619
ZIP Code 91933	P.O. Box	Imperial Beach	0	Pacific	619
ZIP Code 91934	General	Jacumba	693	Pacific	619/858
ZIP Code 91935	General	Jamul	8,841	Pacific	619/858
ZIP Code 91941	General	La Mesa	33,895	Pacific	619/858
ZIP Code 91942	General	La Mesa	40,813	Pacific	619/858
ZIP Code 91943	P.O. Box	La Mesa	0	Pacific	619/858
ZIP Code 91944	P.O. Box	La Mesa	0	Pacific	619/858
ZIP Code 91945	General	Lemon Grove	27,814	Pacific	619/858
ZIP Code 91946	P.O. Box	Lemon Grove	0	Pacific	619/858
ZIP Code 91948	P.O. Box	Mount Laguna	87	Pacific	619/858
ZIP Code 91950	General	National City	57,849	Pacific	619
ZIP Code 91951	P.O. Box	National City	0	Pacific	619
ZIP Code 91962	General	Pine Valley	1,860	Pacific	619/858
ZIP Code 91963	General	Potrero	1,101	Pacific	619
ZIP Code 91976	P.O. Box	Spring Valley	0	Pacific	619/858
ZIP Code 91977	General	Spring Valley	60,795	Pacific	619/858
ZIP Code 91978	General	Spring Valley	9,949	Pacific	619
ZIP Code 91979	P.O. Box	Spring Valley	0	Pacific	619/858
ZIP Code 91980	General	Tecate	145	Pacific	619
ZIP Code 91987	Unique	Tecate	0	Pacific	619
ZIP Code 92003	General	Bonsall	4,781	Pacific	760/442
ZIP Code 92004	General	Borrego Springs	3,414	Pacific	760/442
ZIP Code 92007	General	Cardiff By The Sea	10,981	Pacific	760
ZIP Code 92008	General	Carlsbad	27,282	Pacific	760
ZIP Code 92009	General	Carlsbad	44,816	Pacific	760/442
ZIP Code 92010	General	Carlsbad	18,887	Pacific	442/760
ZIP Code 92011	General	Carlsbad	23,757	Pacific	442/760
ZIP Code 92013	P.O. Box	Carlsbad	0	Pacific	760/442
ZIP Code 92014	General	Del Mar	13,203	Pacific	858
ZIP Code 92018	P.O. Box	Carlsbad	0	Pacific	760
ZIP Code 92019	General	El Cajon	45,108	Pacific	619/858
ZIP Code 92020	General	El Cajon	60,454	Pacific	619/858
ZIP Code 92021	General	El Cajon	70,584	Pacific	619/858
ZIP Code 92022	P.O. Box	El Cajon	0	Pacific	619/858
ZIP Code 92023	P.O. Box	Encinitas	0	Pacific	760
ZIP Code 92024	General	Encinitas	51,190	Pacific	760/442
ZIP Code 92025	General	Escondido	51,586	Pacific	760/442
ZIP Code 92026	General	Escondido	52,797	Pacific	760/442
ZIP Code 92027	General	Escondido	56,840	Pacific	760/442
ZIP Code 92028	General	Fallbrook	51,614	Pacific	760/442
ZIP Code 92029	General	Escondido	21,236	Pacific	760/442
ZIP Code 92030	P.O. Box	Escondido	0	Pacific	760/442
ZIP Code 92033	P.O. Box	Escondido	0	Pacific	760/442
ZIP Code 92036	General	Julian	3,735	Pacific	760
ZIP Code 92037	General	La Jolla	41,260	Pacific	858/619
ZIP Code 92038	P.O. Box	La Jolla	0	Pacific	858/619
ZIP Code 92039	P.O. Box	La Jolla	0	Pacific	858/619
ZIP Code 92040	General	Lakeside	43,640	Pacific	619/858
ZIP Code 92046	P.O. Box	Escondido	0	Pacific	760/442
ZIP Code 92049	P.O. Box	Oceanside	0	Pacific	760/442
ZIP Code 92051	P.O. Box	Oceanside	0	Pacific	760/442
ZIP Code 92052	P.O. Box	Oceanside	0	Pacific	760/442
ZIP Code 92054	General	Oceanside	38,667	Pacific	760/442
ZIP Code 92055	P.O. Box	Camp Pendleton	9,684	Pacific	760
ZIP Code 92056	General	Oceanside	53,750	Pacific	760/442
ZIP Code 92057	General	Oceanside	57,844	Pacific	760/442
ZIP Code 92058	General	Oceanside	45,389	Pacific	442/760
ZIP Code 92059	General	Pala	1,872	Pacific	442/760
ZIP Code 92060	P.O. Box	Palomar Mountain	288	Pacific	442/760
ZIP Code 92061	General	Pauma Valley	2,246	Pacific	442/760
ZIP Code 92064	General	Poway	48,884	Pacific	858
ZIP Code 92065	General	Ramona	37,047	Pacific	760/442
ZIP Code 92066	General	Ranchita	330	Pacific	760/442
ZIP Code 92067	P.O. Box	Rancho Santa Fe	9,344	Pacific	858/619
ZIP Code 92068	P.O. Box	San Luis Rey	0	Pacific	760/442
ZIP Code 92069	General	San Marcos	49,407	Pacific	760/442
ZIP Code 92070	General	Santa Ysabel	1,093	Pacific	760/442
ZIP Code 92071	General	Santee	60,163	Pacific	619
ZIP Code 92072	P.O. Box	Santee	0	Pacific	619/858
ZIP Code 92074	P.O. Box	Poway	0	Pacific	858
ZIP Code 92075	General	Solana Beach	12,051	Pacific	858
ZIP Code 92078	General	San Marcos	52,347	Pacific	760/442
ZIP Code 92079	P.O. Box	San Marcos	0	Pacific	760/442
ZIP Code 92081	General	Vista	28,745	Pacific	442/760
ZIP Code 92082	General	Valley Center	20,860	Pacific	760/442
ZIP Code 92083	General	Vista	39,219	Pacific	760/442
ZIP Code 92084	General	Vista	49,941	Pacific	760/442
ZIP Code 92085	P.O. Box	Vista	0	Pacific	760/442
ZIP Code 92086	General	Warner Springs	1,490	Pacific	760/442
ZIP Code 92088	P.O. Box	Fallbrook	0	Pacific	760/442
ZIP Code 92091	General	Rancho Santa Fe	1,571	Pacific	858/619
ZIP Code 92092	Unique	La Jolla	5,251	Pacific	858
ZIP Code 92093	Unique	La Jolla	5,076	Pacific	858
ZIP Code 92096	Unique	San Marcos	35	Pacific	760/442
ZIP Code 92101	General	San Diego	47,505	Pacific	619/858
ZIP Code 92102	General	San Diego	39,783	Pacific	619/858
ZIP Code 92103	General	San Diego	33,311	Pacific	619/858/760
ZIP Code 92104	General	San Diego	44,265	Pacific	619/858/760
ZIP Code 92105	General	San Diego	66,579	Pacific	619/858
ZIP Code 92106	General	San Diego	20,214	Pacific	619
ZIP Code 92107	General	San Diego	28,684	Pacific	619
ZIP Code 92108	General	San Diego	24,266	Pacific	858/619
ZIP Code 92109	General	San Diego	44,671	Pacific	619
ZIP Code 92110	General	San Diego	31,048	Pacific	619
ZIP Code 92111	General	San Diego	46,686	Pacific	858/619
ZIP Code 92112	P.O. Box	San Diego	0	Pacific	619/858
ZIP Code 92113	General	San Diego	50,457	Pacific	619
ZIP Code 92114	General	San Diego	66,248	Pacific	619/858
ZIP Code 92115	General	San Diego	64,251	Pacific	619
ZIP Code 92116	General	San Diego	31,523	Pacific	619/858
ZIP Code 92117	General	San Diego	51,505	Pacific	858/619
ZIP Code 92118	General	Coronado	20,629	Pacific	619/858
ZIP Code 92119	General	San Diego	24,298	Pacific	619
ZIP Code 92120	General	San Diego	30,768	Pacific	619
ZIP Code 92121	General	San Diego	4,658	Pacific	858/619/760
ZIP Code 92122	General	San Diego	45,646	Pacific	858/619/760
ZIP Code 92123	General	San Diego	30,937	Pacific	858/619
ZIP Code 92124	General	San Diego	30,530	Pacific	619/858
ZIP Code 92126	General	San Diego	74,788	Pacific	858/619/760
ZIP Code 92127	General	San Diego	52,274	Pacific	858
ZIP Code 92128	General	San Diego	49,083	Pacific	858/619
ZIP Code 92129	General	San Diego	52,415	Pacific	858/619
ZIP Code 92130	General	San Diego	61,595	Pacific	858
ZIP Code 92131	General	San Diego	36,394	Pacific	858/619
ZIP Code 92132	Unique	San Diego	0	Pacific	619/858
ZIP Code 92134	Unique	San Diego	396	Pacific	619/858
ZIP Code 92135	P.O. Box	San Diego	1,610	Pacific	619/858
ZIP Code 92136	Unique	San Diego	7,014	Pacific	619
ZIP Code 92137	P.O. Box	San Diego	0	Pacific	619/858
ZIP Code 92138	P.O. Box	San Diego	0	Pacific	619/858
ZIP Code 92139	General	San Diego	35,771	Pacific	619
ZIP Code 92140	Unique	San Diego	2,183	Pacific	619/858/760
ZIP Code 92142	P.O. Box	San Diego	0	Pacific	619/858
ZIP Code 92143	P.O. Box	San Ysidro	0	Pacific	619/858
ZIP Code 92145	Unique	San Diego	6,057	Pacific	858/619/760
ZIP Code 92147	Unique	San Diego	256	Pacific	619
ZIP Code 92149	P.O. Box	San Diego	0	Pacific	619/858
ZIP Code 92150	P.O. Box	San Diego	0	Pacific	619/858
ZIP Code 92152	Unique	San Diego	0	Pacific	619
ZIP Code 92153	P.O. Box	San Diego	0	Pacific	619
ZIP Code 92154	General	San Diego	84,027	Pacific	619
ZIP Code 92155	Unique	San Diego	210	Pacific	619/858
ZIP Code 92158	Unique	San Diego	0	Pacific	619
ZIP Code 92159	P.O. Box	San Diego	0	Pacific	619/858
ZIP Code 92160	P.O. Box	San Diego	0	Pacific	619/858
ZIP Code 92161	Unique	San Diego	66	Pacific	858/619
ZIP Code 92163	P.O. Box	San Diego	0	Pacific	619/858
ZIP Code 92165	P.O. Box	San Diego	0	Pacific	619/858
ZIP Code 92166	P.O. Box	San Diego	0	Pacific	619/858
ZIP Code 92167	P.O. Box	San Diego	0	Pacific	619/858
ZIP Code 92168	P.O. Box	San Diego	0	Pacific	619/858
ZIP Code 92169	P.O. Box	San Diego	0	Pacific	619
ZIP Code 92170	P.O. Box	San Diego	0	Pacific	619/858
ZIP Code 92171	P.O. Box	San Diego	0	Pacific	619/858
ZIP Code 92172	P.O. Box	San Diego	0	Pacific	619/858
ZIP Code 92173	General	San Ysidro	29,703	Pacific	619
ZIP Code 92174	P.O. Box	San Diego	0	Pacific	619/858
ZIP Code 92175	P.O. Box	San Diego	0	Pacific	619/858
ZIP Code 92176	P.O. Box	San Diego	0	Pacific	619/858
ZIP Code 92177	P.O. Box	San Diego	0	Pacific	619/858
ZIP Code 92178	P.O. Box	Coronado	0	Pacific	619/858
ZIP Code 92179	P.O. Box	San Diego	3,824	Pacific	619/858
ZIP Code 92182	Unique	San Diego	27	Pacific	619
ZIP Code 92186	P.O. Box	San Diego	0	Pacific	619/858
ZIP Code 92187	Unique	San Diego	0	Pacific	619/858
ZIP Code 92191	P.O. Box	San Diego	0	Pacific	619/858
ZIP Code 92192	P.O. Box	San Diego	0	Pacific	619/858
ZIP Code 92193	P.O. Box	San Diego	0	Pacific	619/858
ZIP Code 92195	P.O. Box	San Diego	0	Pacific	619/858
ZIP Code 92196	P.O. Box	San Diego	0	Pacific	619/858
ZIP Code 92197	P.O. Box	San Diego	0	Pacific	619
ZIP Code 92198	P.O. Box	San Diego	0	Pacific	858/619
ZIP Code 92199	General	San Diego	0	Pacific	619/858

Timezone(s): All Time Zones found within this county. In the United States, there are 7 standard time zones which are, from west to east: Hawaii-Aleutian, Alaska, Pacific, Mountain, Central, Eastern, Atlantic. Also included in U.S. Territories are Samoa, Guam and Palau. The alignment between ZIP codes and time zones is not perfect. A single time zone can cover multiple ZIP codes, and, conversely, a single ZIP code could theoretically span across multiple time zones, although this is quite rare.	Pacific

Population: The total Population for San Diego County, CA, taken from the 2020 U.S. Census DP1. This population total includes all people residing in and counts them regardless of citizenship or immigration status. Include are U.S. Citizens, permanent residents, temporary migrants, and undocumented workers. The total population represents people who live in the state, not just those present on the day of the census. State Population is critical in determining political representation, funding allocation, planning and policy-making, and demographic analysis.	3,298,634 (More Details)
Male Population: The sum of all males for San Diego County, CA from the 2020 U.S. Census DP1. Each respondent self-identified their gender on the survey, as they were asked to indicate their gender assigned at birth. The male population information is important for healthcare planning, policy making, social research, and economic planning and development.	1,642,796
Female Population: The sum of all females for San Diego County, CA from the 2020 U.S. Census DP1. Each respondent self-identified their gender on the survey, as they were asked to indicate their gender assigned at birth. The female population information is important for healthcare planning, policy making, social research, and economic planning and development.	1,655,838
Median Age: The median age of the total population of this county. Median age is not a future prediction, it is the actual number from the 2020 Census. Median age is the middle age of the population. Half the population is older than the average age and half is younger.	37

ZIP Codes: The total number of ZIP Codes which at least partially fall inside San Diego County, CA. Did you know that approximately 23% of ZIP Codes cross county lines? Several even cross State lines. ZIP Codes do not follow other geographic boundaries because they were created exclusively for the expedient delivery of mail.	181
Cities: The total number of City names which are associated with ZIP Codes that partially or wholly cross into San Diego County, CA. Alongside the official city name, USPS also recognizes certain alternate names for cities or towns that can be used in mailing addresses. These may include towns, villages, abbreviations, names in other languages, or names that have been commonly used historically.	51
Counties: The total number of counties associated with ZIP Codes that are at least partially part of San Diego County, CA.	1
Area Codes: The total number of Area Codes associated with ZIP Codes in San Diego County, CA. Area codes are used in the North American Numbering Plan (NANP) to facilitate phone routing. Each area code identifies a specific geographic area (usually part of a state or territory) and allows calls to be routed to the correct area. There are approximately 350 area codes in use in the United States.	4

Total Area: The approximate amount of area covered by San Diego, CA in square miles. This includes all land and water areas within the legal county boundaries.	4,526 square miles (county)
Land Area: The approximate amount of land area covered by San Diego, CA in square miles. Land area data provided by the Census Bureau are based on geographic boundaries that include the mainland, islands, inland, coastal, Great Lakes, and territorial waters associated with each state. Land area is important in many types of statistical analysis. For example, population density, the number of people per unit of land area, is a commonly used statistic based on this data. Land area measurements are also important for urban planning, environmental studies, and economic analysis.	4,207 square miles (county)
Water Area: The approximate amount of water area covered by San Diego, CA in square miles. Calculations for water area take into account inland bodies of water, coastal regions, Great Lakes, and territorial sea waters. This encompassed features such as lakes, reservoirs, rivers, and coastal water bodies. Water surface data are especially important for environmental and conservation planning, water resource management, transportation, and recreational planning.	319 square miles (county)

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SAN DIEGO, CA Demographic Information

* Demographic data is based on 2020 Census.

Total population of SAN DIEGO County, CA: Total Population from the 2020 Census. This reflects the exact population of the geographic area at that point in time, not future estimates, regardless of citizenship or immigration status. It is intended to count all persons living within the geographic area, not just those present on the day of the census.	3,298,634
Male population of SAN DIEGO County, CA: The Male Population from the 2020 Census. This is not a forecast for the future, but an exact count for this geographic area at the time of the Census. Each respondent self-identified their gender on the survey, as they were asked to indicate their gender assigned at birth. The Male Population information is important for healthcare planning, policy making, social research, and economic planning and development.	1,642,796
Female population of SAN DIEGO County, CA: The Female Population from the 2020 Census. This is not a forecast for the future, but an exact count for this geographic area at the time of the Census. Each respondent self-identified their gender on the survey, as they were asked to indicate their gender assigned at birth. The Female Population information is important for healthcare planning, policy making, social research, and economic planning and development.	1,655,838
Median age (years): The Median Age of the Total Population from the 2020 Census for this geographic area. Median age is not a future prediction, it is the actual calculated age from the 2020 Census. Median age is the middle age of the population. Half the population is older than the average age and half is younger. Median Age can relate how young or old a geographic area is compared to others. If one area is 44 and the other is 40, then the first are is an average of 4 years older.	37.1
White Population: The White Population is an exact count from the 2020 Census for this geographic area. The numbers for the White Population are not future projections. On the 2020 U.S. Census questionnaire, people were asked to check all races which applied to them, including White. This count includes all who selected White/Caucasian in their response, even if they selected another race as well.	1,633,129
Black Population: The Black Population is an exact count from the 2020 Census for this geographic area. The numbers for the Black Population are not future projections. On the 2020 U.S. Census questionnaire, people were asked to check all races which applied to them, including Black or African American. This count includes all who selected Black or African American in their response, even if they selected another race as well.	155,813
Indian Population: The American Indian and Alaska Native Population is an exact count from the 2020 Census for this geographic area and not estimates for the future. On the 2020 U.S. Census questionnaire, people were asked to check all races which applied to them, including American Indian and Alaska Native. This count includes all who selected American Indian and Alaska Native in their response, even if they selected another race as well.	40,968
Asian Population: The Asian Population is an exact count from the 2020 Census for this geographic area, not future projections. On the U.S. Census questionnaire, people were asked to check all races which applied to them, including Chinese, Filipino, Asian Indian, Vietnamese, Korean, Japanese, or Other Asian. This count includes all who selected one of these options in their response, even if they selected another race as well.	410,752
Hawaiian Population: The Hawaiian or Pacific Islander Population is an exact count from the 2020 Census for this geographic area and are not future projections. On the 2020 U.S. Census questionnaire, people were asked to check all races which applied to them, including Native Hawaiian and Pacific Islander. This count includes all who selected either Hawaiian or Pacific Islander in their response, even if they selected another race as well.	15,286
Hispanic Population: The Hispanic Population is an exact count from the 2020 Census for this geographic area and is not an estimate or future projection. On the 2020 U.S. Census questionnaire, people were first asked for their Ethnicity, including if they were from Hispanic, Latino, or Spanish Origin, including Mexican, Mexican American, Chicano, Puerto Rican, Cuban, or other ethnic origin. This count includes all who affirmed that they were part of this ethnic origin. Respondents who selected this option were also asked to select a race separately and would be counted once in this number as well as the race they chose as well. From the U.S. Census definition, Hispanic is an ethnic origin and not a race.	1,119,629
Median age (Male): The Median Age of all Males from the 2020 Census for this geographic area. The Male Median Age is the actual average from the 2020 Census, not an estimate or future projection. Median Age is the average age of the population. Half of the population is older than the average age and the other half is younger. Gender is self-reported by individuals when asked about their sex at birth.	35.7
Median age (Female): The Median Age of all Females from the 2020 Census for this geographic area. The Female Median Age is the actual average from the 2020 Census, not an estimate or future projection. Median Age is the average age of the population. Half of the population is older than the average age and the other half is younger. Gender is self-reported by individuals when asked about their sex at birth.	38.5
Total Households: Total Number of Households from the 2020 U.S. Census for this geographic area. A Household includes everyone living in a residential housing unit. This includes families, roommates in a single residence, or a person living alone.	1,158,764
Married-Couple Households: Total Married-Couple Households is based on the 2020 U.S. Census and is not an estimate. Under the U.S. Census Bureau definition, Married Couple Households refers to the count of households where the householder and his or her spouse are listed as members of the same household. It does include same-sex marriage households and the households themselves may also include other individuals, such as children or other relatives.
Average Household Size for SAN DIEGO County, CA: The Average Household Size, is obtained by dividing the number of people in Households (excluding those in group quarters, nursing home, prisons, and dorm rooms) by the number of Households. A Household includes everyone living in a residential unit. Those who do not live in a household are classified as living in group accommodation. This value is an estimate from the U.S. Census ACS (American Community Survey) and is updated yearly.	2.75
Average family size of SAN DIEGO County, CA: Average Family Size is calculated by dividing the number of people in a Family Household by the number of Family Households. The U.S. Census Bureau defines family households as households consisting of two or more individuals who are related by birth, marriage, or adoption. They also may include other unrelated people. Non-family households consist of people who live alone or who share their residence with unrelated individuals. The Average Family Size only looks at the households classified as Family Households. This value is an estimate from the U.S. Census ACS (American Community Survey) and is updated yearly.	3.12
Total housing units for SAN DIEGO County, CA: The total number of Housing Units is the number of occupied units + the number of vacant units. Ownership is defined by whether the unit is occupied by an owner or by a tenant. Owner occupancy means that the owner lives in the unit. This value comes from the 2020 U.S. Census and is not a projection or estimate.	1,228,505

SAN DIEGO County, CA ZIP Codes

SAN DIEGO County, CA Covers 181 ZIP Codes

SAN DIEGO, CA Demographic Information

SAN DIEGO County, CA Covers 51 Cities