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ZIP Code Database - Facts & Stats
Data Last Updated: November 1, 2024

NASSAU County, NY ZIP Codes



NASSAU County, NY Covers 89 ZIP Codes

ZIP CodeClassificationCityPopulationTimezoneArea Code(s)
ZIP Code 11001GeneralFloral Park27,662Eastern516/718
ZIP Code 11002P.O. BoxFloral Park0Eastern516/718
ZIP Code 11003GeneralElmont43,979Eastern516
ZIP Code 11010GeneralFranklin Square25,013Eastern516
ZIP Code 11020GeneralGreat Neck6,363Eastern516
ZIP Code 11021GeneralGreat Neck19,376Eastern516
ZIP Code 11022P.O. BoxGreat Neck0Eastern516
ZIP Code 11023GeneralGreat Neck10,213Eastern516
ZIP Code 11024GeneralGreat Neck8,623Eastern516
ZIP Code 11026P.O. BoxGreat Neck0Eastern516
ZIP Code 11027P.O. BoxGreat Neck0Eastern516
ZIP Code 11030GeneralManhasset17,898Eastern516
ZIP Code 11040GeneralNew Hyde Park43,075Eastern516/718
ZIP Code 11042GeneralNew Hyde Park19Eastern516
ZIP Code 11050GeneralPort Washington31,512Eastern516
ZIP Code 11051UniquePort Washington0Eastern516
ZIP Code 11052UniquePort Washington0Eastern516
ZIP Code 11053UniquePort Washington0Eastern516
ZIP Code 11054UniquePort Washington0Eastern516
ZIP Code 11055UniquePort Washington0Eastern516
ZIP Code 11096GeneralInwood9,645Eastern929/347/718/516
ZIP Code 11501GeneralMineola21,189Eastern516
ZIP Code 11507GeneralAlbertson7,449Eastern516/718
ZIP Code 11509GeneralAtlantic Beach2,433Eastern516
ZIP Code 11510GeneralBaldwin34,617Eastern516
ZIP Code 11514GeneralCarle Place4,635Eastern516/631
ZIP Code 11516GeneralCedarhurst8,394Eastern516
ZIP Code 11518GeneralEast Rockaway10,869Eastern516
ZIP Code 11520GeneralFreeport45,121Eastern516
ZIP Code 11530GeneralGarden City28,851Eastern516/929/718/631
ZIP Code 11531P.O. BoxGarden City0Eastern516/929/718/631
ZIP Code 11542GeneralGlen Cove29,171Eastern516
ZIP Code 11545GeneralGlen Head12,008Eastern516
ZIP Code 11547P.O. BoxGlenwood Landing995Eastern516
ZIP Code 11548GeneralGreenvale2,313Eastern516
ZIP Code 11549UniqueHempstead2,337Eastern516/631/929/718
ZIP Code 11550GeneralHempstead61,901Eastern516/718
ZIP Code 11551P.O. BoxHempstead0Eastern516/718
ZIP Code 11552GeneralWest Hempstead24,903Eastern516
ZIP Code 11553GeneralUniondale26,929Eastern516/718
ZIP Code 11554GeneralEast Meadow37,796Eastern516
ZIP Code 11555UniqueUniondale0Eastern516/718
ZIP Code 11556GeneralUniondale18Eastern516/718
ZIP Code 11557GeneralHewlett8,659Eastern516
ZIP Code 11558GeneralIsland Park8,954Eastern516
ZIP Code 11559GeneralLawrence8,709Eastern718/516
ZIP Code 11560GeneralLocust Valley6,860Eastern516
ZIP Code 11561GeneralLong Beach39,132Eastern516
ZIP Code 11563GeneralLynbrook23,349Eastern516
ZIP Code 11565GeneralMalverne8,845Eastern516
ZIP Code 11566GeneralMerrick35,147Eastern516/631
ZIP Code 11568GeneralOld Westbury4,168Eastern516/631/718
ZIP Code 11569P.O. BoxPoint Lookout1,527Eastern516
ZIP Code 11570GeneralRockville Centre29,023Eastern516
ZIP Code 11571P.O. BoxRockville Centre0Eastern516
ZIP Code 11572GeneralOceanside31,157Eastern516
ZIP Code 11575GeneralRoosevelt18,048Eastern516
ZIP Code 11576GeneralRoslyn12,962Eastern516/718
ZIP Code 11577GeneralRoslyn Heights12,695Eastern516/718
ZIP Code 11579GeneralSea Cliff5,039Eastern516
ZIP Code 11580GeneralValley Stream43,026Eastern516
ZIP Code 11581GeneralValley Stream23,183Eastern516
ZIP Code 11582P.O. BoxValley Stream0Eastern516
ZIP Code 11590GeneralWestbury47,838Eastern516/631/718
ZIP Code 11596GeneralWilliston Park10,849Eastern516/718
ZIP Code 11598GeneralWoodmere14,515Eastern516
ZIP Code 11599GeneralGarden City0Eastern516/631/929/718
ZIP Code 11709GeneralBayville6,748Eastern516
ZIP Code 11710GeneralBellmore35,155Eastern516/631
ZIP Code 11714GeneralBethpage22,989Eastern516/631
ZIP Code 11732GeneralEast Norwich3,638Eastern516
ZIP Code 11735GeneralFarmingdale32,989Eastern631/516/934
ZIP Code 11737GeneralFarmingdale0Eastern516/631/934
ZIP Code 11753GeneralJericho13,084Eastern516
ZIP Code 11756GeneralLevittown42,501Eastern516
ZIP Code 11758GeneralMassapequa54,226Eastern516/631
ZIP Code 11762GeneralMassapequa Park22,439Eastern516/631
ZIP Code 11765GeneralMill Neck701Eastern516
ZIP Code 11771GeneralOyster Bay10,322Eastern516
ZIP Code 11783GeneralSeaford21,299Eastern516/631
ZIP Code 11791GeneralSyosset25,879Eastern516
ZIP Code 11793GeneralWantagh32,121Eastern516/631
ZIP Code 11797GeneralWoodbury9,452Eastern516/631
ZIP Code 11801GeneralHicksville41,779Eastern516/631
ZIP Code 11802P.O. BoxHicksville0Eastern516/631
ZIP Code 11803GeneralPlainview30,049Eastern516/631
ZIP Code 11804GeneralOld Bethpage4,972Eastern516/631
ZIP Code 11815UniqueHicksville0Eastern516/631
ZIP Code 11853UniqueJericho0Eastern516


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 Nassau 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. 1,395,774 (More Details)
Male Population: The sum of all males for Nassau 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.675,912
Female Population: The sum of all females for Nassau 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.719,862
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 Nassau 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.89
Cities: The total number of City names which are associated with ZIP Codes that partially or wholly cross into Nassau 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.65
Counties: The total number of counties associated with ZIP Codes that are at least partially part of Nassau County, NY.1
Area Codes: The total number of Area Codes associated with ZIP Codes in Nassau 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.6
 
Total Area: The approximate amount of area covered by Nassau, NY in square miles. This includes all land and water areas within the legal county boundaries.453 square miles (county)
Land Area: The approximate amount of land area covered by Nassau, 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. 285 square miles (county)
Water Area: The approximate amount of water area covered by Nassau, 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.169 square miles (county)

NASSAU, NY Demographic Information

* Demographic data is based on 2020 Census.

Total population of NASSAU 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.1,395,774
Male population of NASSAU 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.675,912
Female population of NASSAU 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.719,862
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.41.9
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.817,196
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.153,274
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.6,219
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.164,201
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.435
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.256,425
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.40.2
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.43.5
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.455,482
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 NASSAU 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.3.02
Average family size of NASSAU 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.3.09
Total housing units for NASSAU 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.476,732


NASSAU County, NY Covers 65 Cities