Data Last Updated: December 1, 2024

SUFFOLK County, NY ZIP Codes

SUFFOLK County, NY Covers 114 ZIP Codes

ZIP CodeClassificationTimezoneArea Code(s)
00501UniqueEastern631/934
06390P.O. BoxEastern631/934
11701GeneralEastern363/516/631/934
11702GeneralEastern363/516/631/934
11703GeneralEastern363/516/631/934
11704GeneralEastern363/516/631/934
11705GeneralEastern631/934
11706GeneralEastern631/934
11707P.O. BoxEastern363/516/631/934
11713GeneralEastern631/934
11715GeneralEastern631/934
11716GeneralEastern631/934
11717GeneralEastern363/516/631/934
11718GeneralEastern631/934
11719GeneralEastern631/934
11720GeneralEastern631/934
11721GeneralEastern631/934
11722GeneralEastern363/516/631/934
11724GeneralEastern363/516/631/934
11725GeneralEastern631/934
11726GeneralEastern363/516/631/934
11727GeneralEastern631/934
11729GeneralEastern631/934
11730GeneralEastern631/934
11731GeneralEastern631/934
11733GeneralEastern363/516/631/934
11735 *GeneralEastern631/516/363/934
11738GeneralEastern631/934
11739P.O. BoxEastern631/934
11740GeneralEastern631/934
11741GeneralEastern363/516/631/934
11742GeneralEastern363/516/631/934
11743GeneralEastern363/516/631/934
11746GeneralEastern631/934
11747GeneralEastern934
11749GeneralEastern363/516/631/934
11751GeneralEastern631/934
11752GeneralEastern363/516/631/934
11754GeneralEastern631/934
11755GeneralEastern631/934
11757GeneralEastern363/516/631/934
11760P.O. BoxEastern631/934
11763GeneralEastern631/934
11764GeneralEastern363/516/631/934
11766GeneralEastern363/516/631/934
11767GeneralEastern631/934
11768GeneralEastern631/934
11769GeneralEastern631/934
11770P.O. BoxEastern631/934
11772GeneralEastern631/934
11775UniqueEastern363/516/631/934
11776GeneralEastern363/516/631/934
11777GeneralEastern363/516/631/934
11778GeneralEastern363/516/631/934
11779GeneralEastern363/516/631/934
11780GeneralEastern631/934
11782GeneralEastern631/934
11784GeneralEastern631/934
11786GeneralEastern631/934
11787GeneralEastern631/934
11788GeneralEastern631/934
11789GeneralEastern363/516/631/934
11790GeneralEastern631/934
11792GeneralEastern631/934
11794UniqueEastern631/934
11795GeneralEastern631/934
11796GeneralEastern631/934
11797 *GeneralEastern363/516/631/934
11798GeneralEastern631/934
11901GeneralEastern631/934
11930P.O. BoxEastern631/934
11931P.O. BoxEastern631/934
11932P.O. BoxEastern631/934
11933GeneralEastern631/934
11934GeneralEastern631/934
11935GeneralEastern631/934
11937GeneralEastern631/934
11939GeneralEastern631/934
11940GeneralEastern631/934
11941GeneralEastern631/934
11942GeneralEastern631/934
11944GeneralEastern631/934
11946GeneralEastern631/934
11947P.O. BoxEastern631/934
11948GeneralEastern631/934
11949GeneralEastern631/934
11950GeneralEastern363/516/631/934
11951GeneralEastern631/934
11952GeneralEastern631/934
11953GeneralEastern631/934
11954GeneralEastern631/934
11955GeneralEastern631/934
11956P.O. BoxEastern631/934
11957GeneralEastern631/934
11958GeneralEastern631/934
11959P.O. BoxEastern631/934
11960P.O. BoxEastern631/934
11961GeneralEastern631/934
11962P.O. BoxEastern631/934
11963GeneralEastern631/934
11964P.O. BoxEastern631/934
11965P.O. BoxEastern631/934
11967GeneralEastern631/934
11968GeneralEastern631/934
11969P.O. BoxEastern631/934
11970P.O. BoxEastern631/934
11971GeneralEastern631/934
11972P.O. BoxEastern631/934
11973P.O. BoxEastern631/934
11975P.O. BoxEastern631/934
11976GeneralEastern631/934
11977GeneralEastern631/934
11978GeneralEastern631/934
11980GeneralEastern631/934

* Indicates a Multi County ZIP Code, whose primary County is something other than Suffolk, NY.


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.Eastern
 
Population: The total Population for Suffolk County, NY, 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. 1,525,920 (More Details)
Male Population: The sum of all males for Suffolk County, NY 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.747,083
Female Population: The sum of all females for Suffolk County, NY 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.778,837
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.42
 
ZIP Codes: The total number of ZIP Codes which at least partially fall inside Suffolk County, NY. 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.114
Cities: The total number of City names which are associated with ZIP Codes that partially or wholly cross into Suffolk County, NY. 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.106
Counties: The total number of counties associated with ZIP Codes that are at least partially part of Suffolk County, NY.1
Area Codes: The total number of Area Codes associated with ZIP Codes in Suffolk County, NY. 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 Suffolk, NY in square miles. This includes all land and water areas within the legal county boundaries.2,373 square miles (county)
Land Area: The approximate amount of land area covered by Suffolk, NY 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. 912 square miles (county)
Water Area: The approximate amount of water area covered by Suffolk, NY 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.1,461 square miles (county)

SUFFOLK, NY Demographic Information

Total population of SUFFOLK County, NY: 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.1,525,920
Male population of SUFFOLK County, NY: 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.747,083
Female population of SUFFOLK County, NY: 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.778,837
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.42.0
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.1,022,846
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.114,294
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.9,188
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.65,779
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.427
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.332,959
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.40.4
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.43.6
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.516,872
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 SUFFOLK County, NY: 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.2.89
Average family size of SUFFOLK County, NY: 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.3.14
Total housing units for SUFFOLK County, NY: 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.578,940


SUFFOLK County, NY Covers 106 Cities

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