Zip Code 20001
Washington, District of Columbia — District of Columbia County
📍 ZIP code 20001 is in Washington, District of Columbia County, District of Columbia.
ZIP code 20001 is located in Washington, District of Columbia County, District of Columbia. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 44,022. The area code for ZIP code 20001 is 202.
Quick Answer
Zip code 20001 is in Washington, District of Columbia (District of Columbia County). It has a population of 44,022, median household income of $138,730, and median home value of $844,500.
Population
44,022
Income
$138,730
Home Value
$844,500
Climate
90°F / 28°F
About Zip Code 20001
Zip code 20001 is located in Washington, District of Columbia, within District of Columbia County. Home to approximately 44,022 residents, this area sits at an elevation of 79 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 202.
The median household income is $138,730 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $844,500, and the cost of living index is 248 (148% above the national average of 100).
Summers average a high of 90°F while winters drop to 28°F. The area receives about 46 in of rain and 10 in of snow annually. The zip code covers 2.2 square miles of land area and 0.1 square miles of water.
Key Statistics
44,022
$138,730
$844,500
Eastern (EST/EDT)
202
79 ft
2.2 sq mi
32.8
26,728
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Compare With Nearby Zip Codes
| Metric | 20001 | 20005 | 20009 | 20004 | 20036 | 20006 |
|---|---|---|---|---|---|---|
| City | Washington, DC | Washington, DC | Washington, DC | Washington, DC | Washington, DC | Washington, DC |
| Population | 44,022 | 12,960 | 49,997 | 1,756 | 4,635 | 1,335 |
| Median Income | $138,730 | $111,960 | $140,555 | $161,359 | $105,800 | $36,019 |
| Home Value | $844,500 | $636,000 | $727,800 | $650,700 | $442,400 | $255,700 |
| Cost of Living | 248 | 187 | 226 | 223 | 154 | 69 |
| Median Age | 32.8 | 35.2 | 34.2 | 42.4 | 35.2 | 25.4 |
Cost of Living
100 = National Average. Washington's cost of living is 148% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
6.1x
Demographics
Zip code 20001 has a population of 44,022 people with a median age of 32.8. There are 26,728 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Washington (20001) population trend from 2010 to 2024
↓ -30.9%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
90°F
28°F
46 in
10 in
Washington experiences hot summers with average highs around 90°F. Winters are cool with lows averaging 28°F. The area receives about 10 in of snow per year.
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Housing & Economy
Median Home Value
$844,500
Median Household Income
$138,730
With 26,728 housing units across 2.2 square miles, 20001 has a housing density of 12,149 units per square mile. The home price-to-income ratio is 6.1x.
Location & Geography
Latitude
38.9104°
Longitude
-77.0177°
Land Area
2.2 sq mi
Water Area
0.1 sq mi
Nearby Zip Codes
Zip codes closest to 20001 (Washington, DC) with distances:
All Zip Codes in Washington, DC
Other zip codes serving Washington:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 20001's $138,730. A way to compare Washington to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 20001 (Washington, DC). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Washington, District of Columbia?
Washington, District of Columbia uses zip code 20001 along with 10 other zip codes.
What county is zip code 20001 in?
Zip code 20001 is located in District of Columbia County, District of Columbia.
What is the population of zip code 20001?
The population of zip code 20001 is 44,022 with a median age of 32.8.
Is 20001 in Washington, District of Columbia?
Yes, zip code 20001 is in Washington, District of Columbia County, District of Columbia. The area code is 202.
Frequently Asked Questions
What city is zip code 20001 in?
Zip code 20001 is in Washington, District of Columbia. It is part of District of Columbia County and uses the Eastern (EST/EDT) timezone.
What is zip code 20001?
Zip code 20001 is a U.S. postal code in Washington, District of Columbia (District of Columbia County). It has a population of 44,022 and covers 2.2 square miles.
What is the population of zip code 20001?
The population of zip code 20001 (Washington, DC) is 44,022 with a median age of 32.8. There are approximately 26,728 housing units in this area.
What is the median income in zip code 20001?
The median household income in zip code 20001 (Washington, DC) is $138,730 per year. The cost of living index is 248 (100 = national average).
What is the average home price in zip code 20001?
The median home value in zip code 20001 (Washington, DC) is $844,500. The cost of living index is 248 compared to the national average of 100.
What county is zip code 20001 in?
Zip code 20001 is located in District of Columbia County, District of Columbia. The primary city is Washington.
What is the area code for zip code 20001?
Zip code 20001 in Washington, DC uses area code 202. It is located in the Eastern (EST/EDT) timezone.
Is zip code 20001 a good place to live?
Zip code 20001 (Washington, DC) has a cost of living index of 248 (100 = national average), a median household income of $138,730, and median home values of $844,500. The median age is 32.8. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 20001?
The cost of living index for zip code 20001 (Washington, DC) is 248, where 100 represents the national average. This area is above the national average. Median home value: $844,500.
What schools serve zip code 20001?
Zip code 20001 in Washington, District of Columbia is served by the local school district of District of Columbia County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.