Data Last Updated: December 1, 2024

CHESTER County, PA ZIP Codes

CHESTER County, PA Covers 70 ZIP Codes

ZIP Code	Classification	City	Population	Area Code(s)
ZIP Code 17527 *	General	Gap	6,550	717/223
ZIP Code 17555 *	General	Narvon	7,464	717/223
ZIP Code 19073 *	General	Newtown Square	20,853	610/484/835
ZIP Code 19087 *	General	Wayne	33,501	215/267/445/484/610/835
ZIP Code 19301	General	Paoli	7,542	484/610/835
ZIP Code 19310	General	Atglen	2,898	610/835
ZIP Code 19311	General	Avondale	9,556	484/610/835
ZIP Code 19312	General	Berwyn	11,848	484/610/835
ZIP Code 19316	P.O. Box	Brandamore	166	484/610/835
ZIP Code 19317 *	General	Chadds Ford	10,714	484/610/835
ZIP Code 19318	P.O. Box	Chatham	0	484/610/835
ZIP Code 19319 *	General	Cheyney	824	484/610/835
ZIP Code 19320	General	Coatesville	54,149	484/610/835
ZIP Code 19330	General	Cochranville	5,705	610/835
ZIP Code 19333	General	Devon	7,734	610/484/835
ZIP Code 19335	General	Downingtown	52,406	484/610/835
ZIP Code 19341	General	Exton	18,808	484/610/835
ZIP Code 19342 *	General	Glen Mills	20,550	484/610/835
ZIP Code 19343	General	Glenmoore	8,711	484/610/835
ZIP Code 19344	General	Honey Brook	12,869	484/610/835
ZIP Code 19345	P.O. Box	Immaculata	788	484/610/835
ZIP Code 19346	P.O. Box	Kelton	0	484/610/835
ZIP Code 19347	P.O. Box	Kemblesville	0	484/610/835
ZIP Code 19348	General	Kennett Square	22,606	484/610/835
ZIP Code 19350	General	Landenberg	11,030	484/610/835
ZIP Code 19351	P.O. Box	Lewisville	0	484/610/835
ZIP Code 19352	General	Lincoln University	10,495	484/610/835
ZIP Code 19353	P.O. Box	Lionville	0	484/610/835
ZIP Code 19354	P.O. Box	Lyndell	0	484/610/835
ZIP Code 19355	General	Malvern	29,273	484/610/835
ZIP Code 19357	P.O. Box	Mendenhall	0	484/610/835
ZIP Code 19358	P.O. Box	Modena	318	484/610/835
ZIP Code 19360	P.O. Box	New London	0	484/610/835
ZIP Code 19362	General	Nottingham	5,888	484/610/835
ZIP Code 19363	General	Oxford	18,104	484/610/835
ZIP Code 19365	General	Parkesburg	7,410	484/610/835
ZIP Code 19366	P.O. Box	Pocopson	0	484/610/835
ZIP Code 19367	P.O. Box	Pomeroy	188	484/610/835
ZIP Code 19369	P.O. Box	Sadsburyville	252	484/610/835
ZIP Code 19372	General	Thorndale	2,348	484/610/835
ZIP Code 19374	General	Toughkenamon	988	484/610/835
ZIP Code 19375	P.O. Box	Unionville	212	484/610/835
ZIP Code 19376	P.O. Box	Wagontown	0	484/610/835
ZIP Code 19380	General	West Chester	50,692	484/610/835
ZIP Code 19381	P.O. Box	West Chester	0	484/610/835
ZIP Code 19382	General	West Chester	52,498	484/610/835
ZIP Code 19383	Unique	West Chester	5,053	484/610/835
ZIP Code 19390	General	West Grove	14,101	484/610/835
ZIP Code 19395	P.O. Box	Westtown	0	484/610/835
ZIP Code 19397	P.O. Box	Southeastern	0	484/610/835
ZIP Code 19398	P.O. Box	Southeastern	0	484/610/835
ZIP Code 19399	P.O. Box	Southeastern	0	484/610/835
ZIP Code 19421	P.O. Box	Birchrunville	0	484/610/835
ZIP Code 19425	General	Chester Springs	16,352	484/610/835
ZIP Code 19432	P.O. Box	Devault	0	484/610/835
ZIP Code 19442	P.O. Box	Kimberton	61	484/610/835
ZIP Code 19457	P.O. Box	Parker Ford	103	484/610/835
ZIP Code 19460	General	Phoenixville	43,611	484/610/835
ZIP Code 19465	General	Pottstown	18,217	484/610/835
ZIP Code 19470	P.O. Box	Saint Peters	0	484/610/835
ZIP Code 19475	General	Spring City	12,028	484/610/835
ZIP Code 19480	P.O. Box	Uwchland	0	484/610/835
ZIP Code 19481	P.O. Box	Valley Forge	0	484/610/835
ZIP Code 19482	P.O. Box	Valley Forge	0	484/610/835
ZIP Code 19493	Unique	Valley Forge	0	484/610/835
ZIP Code 19494	Unique	Valley Forge	0	484/610/835
ZIP Code 19495	Unique	Valley Forge	0	484/610/835
ZIP Code 19496	Unique	Valley Forge	0	484/610/835
ZIP Code 19520	General	Elverson	5,932	484/610/835
ZIP Code 19543 *	General	Morgantown	6,256	610/835

* Indicates a Multi County ZIP Code, whose primary County is something other than Chester, PA.

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 Chester County, PA, 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.	534,413 (More Details)
Male Population: The sum of all males for Chester County, PA 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.	262,124
Female Population: The sum of all females for Chester County, PA 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.	272,289
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.	41

ZIP Codes: The total number of ZIP Codes which at least partially fall inside Chester County, PA. 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.	62
Cities: The total number of City names which are associated with ZIP Codes that partially or wholly cross into Chester County, PA. 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.	52
Counties: The total number of counties associated with ZIP Codes that are at least partially part of Chester County, PA.	1
Area Codes: The total number of Area Codes associated with ZIP Codes in Chester County, PA. 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.	3

Total Area: The approximate amount of area covered by Chester, PA in square miles. This includes all land and water areas within the legal county boundaries.	759 square miles (county)
Land Area: The approximate amount of land area covered by Chester, PA 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.	751 square miles (county)
Water Area: The approximate amount of water area covered by Chester, PA 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.	9 square miles (county)

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CHESTER, PA Demographic Information

* Demographic data is based on 2020 Census.

Total population of CHESTER County, PA: 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.	534,413
Male population of CHESTER County, PA: 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.	262,124
Female population of CHESTER County, PA: 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.	272,289
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.	40.5
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.	413,103
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.	29,526
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.	1,450
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.	35,252
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.	133
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.	43,542
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.	39.4
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.	41.6
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.	197,119
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 CHESTER County, PA: 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.	2.64
Average family size of CHESTER County, PA: 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.	2.8
Total housing units for CHESTER County, PA: 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.	208,240

CHESTER County, PA ZIP Codes

CHESTER County, PA Covers 70 ZIP Codes

CHESTER, PA Demographic Information

CHESTER County, PA Covers 52 Cities