Data Last Updated: April 1, 2024

DISTRICT OF COLUMBIA County, DC ZIP Codes

DISTRICT OF COLUMBIA County, DC Covers 301 ZIP Codes

ZIP CodeClassificationTimezoneArea Code(s)
20001GeneralEastern202/771
20002GeneralEastern202
20003GeneralEastern202
20004GeneralEastern202
20005GeneralEastern202/771
20006GeneralEastern202/771
20007GeneralEastern202/771
20008GeneralEastern202/771
20009GeneralEastern202/771
20010GeneralEastern202
20011GeneralEastern202
20012GeneralEastern202
20013P.O. BoxEastern202/771
20015GeneralEastern202/771
20016GeneralEastern202/771
20017GeneralEastern202
20018GeneralEastern202/423
20019GeneralEastern202
20020GeneralEastern202
20022P.O. BoxEastern202/771
20024GeneralEastern202
20026P.O. BoxEastern202/771
20027P.O. BoxEastern202/771
20029P.O. BoxEastern202/771
20030P.O. BoxEastern202/771
20032GeneralEastern202
20033P.O. BoxEastern202/771
20035P.O. BoxEastern202/771
20036GeneralEastern202/771
20037GeneralEastern202/771
20038P.O. BoxEastern202/771
20039P.O. BoxEastern202/771
20040P.O. BoxEastern202/771
20041P.O. BoxEastern202/771
20042UniqueEastern202/771
20043P.O. BoxEastern202/771
20044P.O. BoxEastern202/771
20045GeneralEastern202/771
20047UniqueEastern202/771
20049UniqueEastern202/771
20050P.O. BoxEastern202
20052UniqueEastern202/771
20053UniqueEastern202/771
20055UniqueEastern202/771
20056P.O. BoxEastern202/771
20057UniqueEastern202/771
20058UniqueEastern202/771
20059UniqueEastern202
20060UniqueEastern202/771
20061UniqueEastern202/771
20062UniqueEastern202/771
20063UniqueEastern202/771
20064UniqueEastern202
20065UniqueEastern202/771
20066UniqueEastern202
20067UniqueEastern202/771
20068UniqueEastern202/771
20069UniqueEastern202/771
20070UniqueEastern202/771
20071UniqueEastern202/771
20073UniqueEastern202/771
20074UniqueEastern202/771
20075UniqueEastern202/771
20076UniqueEastern202/771
20077UniqueEastern202/771
20078UniqueEastern202/771
20080UniqueEastern202/771
20081UniqueEastern202/771
20082UniqueEastern202/771
20090P.O. BoxEastern202/771
20091P.O. BoxEastern202/771
20201UniqueEastern202
20202UniqueEastern202
20203UniqueEastern202
20204UniqueEastern202
20206UniqueEastern202
20207UniqueEastern202
20208UniqueEastern202
20210UniqueEastern202
20211UniqueEastern202
20212UniqueEastern202
20213UniqueEastern202
20214UniqueEastern202
20215UniqueEastern202
20216UniqueEastern202
20217UniqueEastern202
20218UniqueEastern202
20219UniqueEastern202
20220UniqueEastern202
20221UniqueEastern202
20222UniqueEastern202
20223UniqueEastern202
20224UniqueEastern202
20226UniqueEastern202
20227UniqueEastern202
20228UniqueEastern202
20229UniqueEastern202
20230UniqueEastern202
20232UniqueEastern202
20233UniqueEastern202
20235UniqueEastern202
20237UniqueEastern202
20238UniqueEastern202
20239UniqueEastern202
20240UniqueEastern202
20241UniqueEastern202
20242UniqueEastern202
20244UniqueEastern202
20245UniqueEastern202
20250UniqueEastern202
20251UniqueEastern202
20252UniqueEastern202/771
20254UniqueEastern202/771
20260GeneralEastern202/771
20261UniqueEastern202
20262UniqueEastern202
20265UniqueEastern202
20266UniqueEastern202
20268UniqueEastern202
20270UniqueEastern202
20277UniqueEastern202
20289UniqueEastern202
20299UniqueEastern202
20301UniqueEastern202
20303UniqueEastern202
20306UniqueEastern202
20310UniqueEastern202
20314UniqueEastern202/771
20317UniqueEastern202
20318UniqueEastern202/771
20319UniqueEastern202
20330UniqueEastern202
20340UniqueEastern202
20350UniqueEastern202
20355UniqueEastern202
20370UniqueEastern202
20372UniqueEastern202/771
20373UniqueEastern202
20374GeneralEastern202
20375UniqueEastern202
20376GeneralEastern202
20380UniqueEastern202
20388GeneralEastern202
20389UniqueEastern202
20390UniqueEastern202
20391GeneralEastern202
20392UniqueEastern202
20393UniqueEastern202
20394UniqueEastern202
20395UniqueEastern202
20398GeneralEastern202
20401UniqueEastern202
20402UniqueEastern202
20403UniqueEastern202
20404UniqueEastern202
20405UniqueEastern202
20406UniqueEastern202
20407UniqueEastern202
20408UniqueEastern202
20410UniqueEastern202
20411UniqueEastern202
20412UniqueEastern202
20413UniqueEastern202
20414UniqueEastern202
20415UniqueEastern202
20416UniqueEastern202
20417UniqueEastern202/771
20418UniqueEastern202
20419UniqueEastern202
20420UniqueEastern202
20421UniqueEastern202
20422UniqueEastern202
20423UniqueEastern202
20424UniqueEastern202
20425UniqueEastern202
20426UniqueEastern202/771
20427UniqueEastern202
20428UniqueEastern202
20429UniqueEastern202
20431UniqueEastern202
20433UniqueEastern202
20434UniqueEastern202
20435UniqueEastern202
20436UniqueEastern202
20437UniqueEastern202
20439UniqueEastern202
20440UniqueEastern202
20441UniqueEastern202
20442UniqueEastern202
20444UniqueEastern202
20447UniqueEastern202
20451UniqueEastern202
20453UniqueEastern202
20456UniqueEastern202
20460UniqueEastern202
20463UniqueEastern202
20468UniqueEastern202
20469UniqueEastern202
20470UniqueEastern202
20472UniqueEastern202
20500GeneralEastern202/771
20501UniqueEastern202
20502UniqueEastern202
20503UniqueEastern202
20504UniqueEastern202/771
20505UniqueEastern202
20506UniqueEastern202
20507UniqueEastern202
20508UniqueEastern202/771
20509UniqueEastern202
20510UniqueEastern202
20511UniqueEastern202/771
20515UniqueEastern202
20520UniqueEastern202
20521UniqueEastern202/771
20522UniqueEastern202/771
20523UniqueEastern202
20524UniqueEastern202
20525UniqueEastern202
20526UniqueEastern202
20527UniqueEastern202
20528UniqueEastern202/771
20529UniqueEastern202
20530UniqueEastern202
20531UniqueEastern202
20533UniqueEastern202
20534UniqueEastern202
20535UniqueEastern202
20536UniqueEastern202
20537UniqueEastern202
20538UniqueEastern202
20539UniqueEastern202
20540UniqueEastern202
20541UniqueEastern202
20542UniqueEastern202
20543UniqueEastern202
20544UniqueEastern202
20546UniqueEastern202
20547UniqueEastern202
20548UniqueEastern202
20549UniqueEastern202
20551UniqueEastern202
20552UniqueEastern202
20553UniqueEastern202
20554UniqueEastern202
20555UniqueEastern202
20557UniqueEastern202
20559UniqueEastern202
20560UniqueEastern202
20565UniqueEastern202
20566UniqueEastern202
20570UniqueEastern202
20571UniqueEastern202
20572UniqueEastern202
20573UniqueEastern202
20575UniqueEastern202
20576UniqueEastern202
20577UniqueEastern202
20578UniqueEastern202
20579UniqueEastern202
20580UniqueEastern202
20581UniqueEastern202
20585UniqueEastern202
20586UniqueEastern202
20590UniqueEastern202
20591UniqueEastern202
20593UniqueEastern202
20594UniqueEastern202
20597UniqueEastern202
20599UniqueEastern202
56901UniqueEastern202/771
56902UniqueEastern202/771
56904UniqueEastern202/771
56908UniqueEastern202
56915UniqueEastern202
56920UniqueEastern202/771
56933UniqueEastern202
56935UniqueEastern202
56944UniqueEastern202
56945UniqueEastern202/771
56950UniqueEastern202/771
56963UniqueEastern202/771
56964UniqueEastern202/771
56965UniqueEastern202/771
56966UniqueEastern202
56967UniqueEastern202
56968UniqueEastern202
56969UniqueEastern202
56970UniqueEastern202
56971UniqueEastern202
56972UniqueEastern202
56973UniqueEastern
56980UniqueEastern
56981UniqueEastern
56982UniqueEastern
56983UniqueEastern
56984UniqueEastern
56985UniqueEastern
56998UniqueEastern
56999UniqueEastern
88888UniquePacific

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
Pacific
 
Population: The total Population for District Of Columbia County, DC, 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. 689,545 (More Details)
Male Population: The sum of all males for District Of Columbia County, DC 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.322,777
Female Population: The sum of all females for District Of Columbia County, DC 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.366,768
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.34
 
ZIP Codes: The total number of ZIP Codes which at least partially fall inside District Of Columbia County, DC. 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.301
Cities: The total number of City names which are associated with ZIP Codes that partially or wholly cross into District Of Columbia County, DC. 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.5
Counties: The total number of counties associated with ZIP Codes that are at least partially part of District Of Columbia County, DC.1
Area Codes: The total number of Area Codes associated with ZIP Codes in District Of Columbia County, DC. 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 District Of Columbia, DC in square miles. This includes all land and water areas within the legal county boundaries.68 square miles (county)
Land Area: The approximate amount of land area covered by District Of Columbia, DC 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. 61 square miles (county)
Water Area: The approximate amount of water area covered by District Of Columbia, DC 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.7 square miles (county)

DISTRICT OF COLUMBIA, DC Demographic Information

Total population of DISTRICT OF COLUMBIA County, DC: 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.689,545
Male population of DISTRICT OF COLUMBIA County, DC: 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.322,777
Female population of DISTRICT OF COLUMBIA County, DC: 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.366,768
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.33.9
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.273,194
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.285,810
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.3,193
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.33,545
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.432
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.77,652
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.34.0
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.33.9
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.312,448
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 DISTRICT OF COLUMBIA County, DC: 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.2.08
Average family size of DISTRICT OF COLUMBIA County, DC: 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.4.09
Total housing units for DISTRICT OF COLUMBIA County, DC: 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.350,364


DISTRICT OF COLUMBIA County, DC Covers 5 Cities

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