| City: | Washington, District of Columbia |
| City Alias: | Marine Barrks, US Marine Corps Barracks |
| Names to Avoid: | Dept Navy Other Offices |
| County: | District Of Columbia County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:07:44 AM |
| Population: | 255 [See All] |
| Area Codes: | 202 / 771 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 38.8951, -77.0369 |
| Land Area: | 0.004 sq mi |
| Quick Link: |
Marine Barracks Washington operates under dedicated ZIP code 20390 on 8th Street and I Street SE in Washington, D.C. Known as the oldest post in the Marine Corps, the barracks was established in 1801 by President Thomas Jefferson. The installation is home to the President's Own United States Marine Band, the Marine Corps Silent Drill Platoon, and the Marine Corps Color Guard. This postal designation has been in place for over two decades.
Postal records show 4 ZIP+4 codes routing to facilities on 8th Street including the Commanding Officer, Director of the U.S. Marine Band, and Marine Corps Barracks. Census data shows 255 residents with a young median age of 20.6, all in group quarters. Multiple mailing cities are valid including Marine Barracks and Washington. The famous Friday Evening Parades are held here during summer months.
| Population: | 255 |
| Median Age: | 20.6 |
| Housing Units: | 1 |
| Residential: | 0 |
| Business: | 1 |
Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.
ZIP Code 20390 has 255 residents and 1 households. The median age is 20.6 years, significantly younger than the state (33.9) and significantly younger than the nation (38.8). The gender split is 90.6% male and 9.4% female, which is much higher than the state male share (46.8%), making this a male-majority area. Largest groups are White (62.4%, much higher than the state average of 39.6%) and Hispanic or Latino (30.2%); Hispanic or Latino residents make up 30.2%, which is much higher than the state average (11.3%), and Other / Two or More Races share is much higher than the state average (5.4%).
Explore More: Population Over Time By Age & Gender By Race By Gender Nativity & Citizenship
| 2020 Population: | 255Source: Census DHC |
| 2024 ACS Population Estimate: | 298Source: Census ACS |
| 2026 ZC Population Estimate: | 0Source: ZIP-Codes.com |
| Population Density: | 63,750.0 people per sq mile |
| Average Income: | $0Source: Census ACS |
| Households: | 1Source: Census DHC |
| Average House Value: | $0Source: Census ACS |
| Persons Per Household: | 0.00Source: Census DHC |
| Average Family Size: | 0.00Source: Census ACS |
| Group | 2010 | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Census ACS Population Estimate | -- | 46 | 115 | 233 | 279 | 485 | 540 | 540 | 359 | 326 | 434 | 404 | 331 | 298 |
| Decennial Census | 584 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 255 | -- | -- | -- |
Median Age: 20.6
Male Median Age: 20.6
Female Median Age: 21.3
| Group | < 5 | 5-9 | 10-14 | 15-19 | 20-24 | 25-29 | 30-34 | 35-39 | 40-44 | 45-49 | 50-54 | 55-59 | 60-64 | 65-69 | 70-74 | 75-79 | 80-84 | 85+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Male | 0 | 0 | 0 | 81 | 120 | 24 | 2 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Female | 0 | 0 | 0 | 11 | 8 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Total | 0 | 0 | 0 | 92 | 128 | 27 | 3 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| White: | 159 | 52.13% |
| Black: | 16 | 5.25% |
| Hispanic:* | 77 | 25.25% |
| Asian: | 7 | 2.30% |
| American Indian: | 1 | 0.33% |
| Hawaiian: | 0 | 0% |
| Other: | 45 | 14.75% |
| Total: | 305 | 100% |
| Gender | Count | % | Median Age |
|---|---|---|---|
| Males: | 231 | 90.59% | 20.6 years |
| Females: | 24 | 9.41% | 21.3 years |
| Total: | 255 | 100% | 20.6 years |
| Native, born in the United States: | 292 | 97.99% |
| Native, born in PR, Island Areas, or abroad: | 0 | 0.00% |
| Foreign born, naturalized U.S. citizen: | 0 | 0.00% |
| Foreign born, not a U.S. citizen: | 6 | 2.01% |
| Total Population: | 298 | 100% |
| Total Native Population: | 292 | 97.99% |
| Total Foreign-born Population: | 6 | 2.01% |
In 2023, the Median household income is $0, which is far less than the state median ($106,287), and above its 2019 pre-pandemic level by $0. Family households earn a median of $0 versus $0 for nonfamily households (a difference of $0). By gender, male median income is $29,802 and female is $24,917, which is considerably lower than the state female median ($93,424), with a current gap of $4,885 that has narrowed from 2011 to 2023. The labor-force participation rate is 256.9%, which is much higher than the national rate (63.5%). The unemployment rate is 0.0%, which is much lower than the state rate (6.4%). The largest occupation group is Natural resources (47.4%).
Explore More: Income Over Time Household Income Employment Status By Occupation
| Income Type | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Household Income | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Median Family Income | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Median NonFamily Income | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Median Male Income | $26,875 | $21,458 | $21,071 | $21,278 | $21,176 | $20,861 | $21,869 | $22,035 | $23,877 | $24,135 | $26,881 | $30,526 | $29,802 |
| Median Female Income | $0 | $0 | $0 | $0 | $18,864 | $21,406 | $22,344 | $23,571 | $23,500 | $24,097 | $25,268 | $24,911 | $24,917 |
| Employed: | 116 | 100.00% |
| Unemployed: | 0 | 0.00% |
| Not In Labor Force: | 0 | 0.00% |
| Total: | 116 | 100% |
| Management, business, science, and arts: | 17 | 14.66% |
| Service: | 17 | 14.66% |
| Sales and Office: | 5 | 4.31% |
| Natural resources, construction, and maintenance: | 55 | 47.41% |
| Production, transportation, and material moving: | 22 | 18.97% |
| Total Civilian Employed Population: | 116 | 100% |
In 2023, 0.00% of adults (25+) have a bachelor's degree or higher, which is markedly below the state rate (63.60%). High school or higher is 100.00%, which is comparable to the national rate (89.40%). Insufficient data for health insurance coverage. Insufficient data for poverty. Among residents ages 3+, the largest enrollment group is high school (63.16%). College enrollment is 36.84%, which is comparable to the national rate (26.70%), meaning the community mirrors broader higher-education participation.
Explore More: Educational Attainment Health Insurance Poverty Over Time School Enrollment
| Less than 9th grade: | 0 | 0.00% |
| 9th to 12th grade, no diploma: | 0 | 0.00% |
| High school graduate (includes equivalency): | 10 | 26.32% |
| Some college, no degree: | 28 | 73.68% |
| Associate's degree: | 0 | 0.00% |
| Bachelor's degree: | 0 | 0.00% |
| Graduate or professional degree: | 0 | 0.00% |
| Total: | 38 | 100% |
| High school or higher: | 38 | 100.00% |
| Bachelor's degree or higher: | 0 | 0.00% |
| Private Insurance: | 0 | 0% |
| Public Insurance: | 0 | 0% |
| No Insurance: | 0 | 0% |
| Total: | 0 | 100% |
| Has Health Insurance: | 0 | 0% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % of People in Poverty | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | 0.0% | 0.0% | 0.0% | 0.0% |
Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.
| Nursery School, Preschool: | 0 | 0.00% |
| Kindergarten: | 0 | 0.00% |
| Elementary school (grades 1-8): | 0 | 0.00% |
| High school (grades 9-12): | 12 | 63.16% |
| College or graduate school: | 7 | 36.84% |
| Total: | 19 | 100% |
| Early Childhood: | 0 | 0.00% |
| K-12 (Primary & Secondary School): | 12 | 63.16% |
ZIP Code 20390 is assigned to a single organization or institution. Detailed business demographics are not published for unique ZIP Codes. USPS data shows 0 residential mailboxes and 1 business mailboxes, reflecting local delivery coverage.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 1Source: USPS |
| Total Delivery Receptacles: | 1Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 0Source: CBP |
| 1st Quarter Payroll: | $0Source: CBP |
| Annual Payroll: | $0Source: CBP |
| # of Employees: | 0Source: CBP |
ZIP Code 20390 is located in District Of Columbia County, District of Columbia, within the Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area (CBSA 47900) and District of Columbia's 98th Congressional District. This Metro area has a population of 6,263,796 people, about 0.00% of whom live in ZIP Code 20390, and is subdivided into the Washington, DC-MD division. It covers 0.004 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Washington-Arlington-Alexandria, DC-VA-MD-WVSource: Census |
| CBSA Number: | 47900Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | Washington, DC-MD (CBSA Div 47764)Source: Census |
| CBSA Population: | 6,263,796Source: Census |
| MSA: | Washington-Baltimore, DC-MD-VA-WV CMSASource: Census |
| Land Area: | 0.004 sq miSource: Census |
| Water Area: | --Source: Census |
| Congressional District: | 98Source: USPS |
| Congressional Land Area: | 61.40 sq miSource: Census |
| PMSA: | Washington, DC-MD-VA-WV PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 1150000Source: Census |
| Place Name: | Washington city; District of ColumbiaSource: Census |
We could not locate which school district 20390 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on January 1, 2026.