USUNITED STATES
Factbook

DRAFT · October 2026
A Factbook library volume

UNITED STATES · FEDERAL DISTRICT · DRAFT

District of Columbia

DC

United States national overview in the World Factbook ↗

DRAFT · Dated statistical and subject baseline. Figures retain their individual reference years.

Introduction

Background ⓘ

The District of Columbia is the federal district established to serve as the United States capital. Congress selected a site along the Potomac River in 1790.

Geography

Total area ⓘ

68.35 square miles (177.03 square kilometres) (2025)

Land area ⓘ

61.127 square miles (158.318 square kilometres) (2025)

Water area ⓘ

7.223 square miles (18.707 square kilometres) (2025)

Setting ⓘ

The capital was established along the Potomac River on land ceded by Maryland and Virginia.

People

Resident population ⓘ

693,645 people (2025)

Resident population estimate, 2020 ⓘ

670,958 people (2020)

Population change, 2020–2025 ⓘ

3.38% (2025)

Government

Political status ⓘ

Federal district and national capital

Establishment of federal district ⓘ

July 16, 1790

Economy

Median household income ⓘ

109,505 2025 USD ± 7,573 (90% confidence) (2025)

Per capita income ⓘ

76,451 2025 USD ± 2,210 (90% confidence) (2025)

People below poverty level ⓘ

105,481 people ± 12,640 (90% confidence) (2025)

Population with poverty status determined ⓘ

664,082 people ± 362 (90% confidence) (2025)

Poverty rate ⓘ

15.9% (2025)

Housing

Housing units ⓘ

371,597 housing units ± 48 (90% confidence) (2025)

National Park Service places

Places associated with this state or territory in the NPS directory.

Further reading

Source records
  1. Background

    National Archives, The District of Columbia ↗

    Reference period: Not supplied by source.

    Retrieved: 2026-10-31.

  2. Total area

    U.S. Census Bureau, 2025 National States Gazetteer ↗

    Reference period: 2025. 2025 Gazetteer geography. Land and water area in square miles, published to three decimal places. Total is calculated as land plus water; territory boundaries are statistical geography.

    Retrieved: 2026-10-31T17:11:28.1089007Z.

    Original source value: 68.35 square miles.

  3. Land area

    U.S. Census Bureau, 2025 National States Gazetteer ↗

    Reference period: 2025. 2025 Gazetteer geography. Land and water area in square miles, published to three decimal places. Total is calculated as land plus water; territory boundaries are statistical geography.

    Retrieved: 2026-10-31T17:11:28.1089007Z.

    Original source value: 61.127 square miles.

  4. Water area

    U.S. Census Bureau, 2025 National States Gazetteer ↗

    Reference period: 2025. 2025 Gazetteer geography. Land and water area in square miles, published to three decimal places. Total is calculated as land plus water; territory boundaries are statistical geography.

    Retrieved: 2026-10-31T17:11:28.1089007Z.

    Original source value: 7.223 square miles.

  5. Setting

    National Archives, The District of Columbia ↗

    Reference period: Not supplied by source.

    Retrieved: 2026-10-31.

  6. Resident population

    U.S. Census Bureau, Population Estimates Program, Vintage 2025 ↗

    Reference period: 2025-07-01. July 1 resident population estimate; Vintage 2025. Includes all ages. Earlier vintages are revised by this release.

    Retrieved: 2026-10-31T17:09:32.917713Z.

    Original source value: 693,645 people.

  7. Resident population estimate, 2020

    U.S. Census Bureau, Population Estimates Program, Vintage 2025 ↗

    Reference period: 2020-07-01. July 1, 2020 resident population estimate from the same Vintage 2025 series; not the April 1 decennial census count.

    Retrieved: 2026-10-31T17:09:32.917713Z.

    Original source value: 670,958 people.

  8. Population change, 2020–2025

    U.S. Census Bureau, Population Estimates Program, Vintage 2025 ↗

    Reference period: 2020-07-01/2025-07-01. Calculated percentage change between July 1 population estimates in the same Vintage 2025 series.

    Retrieved: 2026-10-31T17:09:32.917713Z.

    Original source value: 3.38%.

  9. Political status

    District of Columbia government, Statehood FAQ ↗

    Reference period: Not supplied by source.

    Retrieved: 2026-10-31.

  10. Establishment of federal district

    National Archives, The District of Columbia ↗

    Reference period: Not supplied by source. Date of the act establishing the federal district for the seat of government; not a statehood date.

    Retrieved: 2026-10-31.

  11. Median household income

    U.S. Census Bureau, 2025 ACS 1-year, B19013 ↗

    Reference period: 2025 ACS 1-year. Median household income in the past 12 months, in 2025 inflation-adjusted dollars. Universe: households. Sampling estimate; margin of error uses a 90% confidence level.

    Retrieved: 2026-10-31T17:12:11.8995582Z.

    Original source value: 109,505 2025 USD ± 7,573 (90% confidence).

  12. Per capita income

    U.S. Census Bureau, 2025 ACS 1-year, B19301 ↗

    Reference period: 2025 ACS 1-year. Per capita income in the past 12 months, in 2025 inflation-adjusted dollars. Universe: total population. Sampling estimate; margin of error uses a 90% confidence level.

    Retrieved: 2026-10-31T17:12:16.6293232Z.

    Original source value: 76,451 2025 USD ± 2,210 (90% confidence).

  13. People below poverty level

    U.S. Census Bureau, 2025 ACS 1-year, B17001 ↗

    Reference period: 2025 ACS 1-year. People whose income in the past 12 months was below the poverty level. Universe: population for whom poverty status is determined. Sampling estimate; margin of error uses a 90% confidence level.

    Retrieved: 2026-10-31T17:12:16.8869346Z.

    Original source value: 105,481 people ± 12,640 (90% confidence).

  14. Population with poverty status determined

    U.S. Census Bureau, 2025 ACS 1-year, B17001 ↗

    Reference period: 2025 ACS 1-year. Denominator for the poverty count. Excludes people for whom poverty status is not determined. Sampling estimate; margin of error uses a 90% confidence level.

    Retrieved: 2026-10-31T17:12:16.8869346Z.

    Original source value: 664,082 people ± 362 (90% confidence).

  15. Poverty rate

    U.S. Census Bureau, 2025 ACS 1-year, B17001 ↗

    Reference period: 2025 ACS 1-year. Calculated as B17001_E002 / B17001_E001 × 100. Population for whom poverty status is determined. Rounded to one decimal. Source counts and their 90% margins of error are retained as separate facts; a margin of error for this derived rate has not been calculated.

    Retrieved: 2026-10-31T17:12:16.8869346Z.

    Original source value: 15.9%.

  16. Housing units

    U.S. Census Bureau, 2025 ACS 1-year, B25001 ↗

    Reference period: 2025 ACS 1-year. Total housing units, occupied and vacant. ACS estimate; not the annual Population Estimates Program housing-unit series. Sampling estimate; margin of error uses a 90% confidence level.

    Retrieved: 2026-10-31T17:12:17.0506096Z.

    Original source value: 371,597 housing units ± 48 (90% confidence).

Comparison
Source information
Draft edition