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District of Columbia

District of Columbia profile, demographic data, and geographic information.

District of Columbia is a county located in District of Columbia, United States of America. As of official census estimates, it has a reported population of 693,645. The land area covers 61.13 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 693,645 — 2025 / Census
Median Age 34.9 yrs ±0.1 2020-2024 / Census ACS 5-Year 2024
Total Households 324,491 ±1,816 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 361,014 ±148
Occupied Housing Units 324,491 ±1,816
Vacant Housing Units 36,523 ±1,791
Median Home Value $737,100 ±$10,625
Median Gross Rent $1,954 ±$26
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $109,870 ±$1,937
Per Capita Income $77,348 ±$1,050
Poverty Rate 15.4% ±0.7%
Population Below Poverty Level 101,008 ±4,275
Unemployment Rate 6.3% ±0.4%
Civilian Labor Force, Employed 374,990 ±3,015
Broadband Internet Rate 91.2% ±0.5%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at NATL ARBORETUM DC, MD US, located 2.6 miles from District of Columbia. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 44.7° 27.8° 36.2° 3.03" 4.7"
February 47.8° 29.5° 38.6° 2.77" 2.3"
March 55.9° 36.5° 46.2° 3.96" 1.4"
April 67.6° 46.4° 57.0° 3.44" 0.0"
May 76.9° 56.6° 66.7° 4.32" 0.0"
June 85.4° 66.1° 75.7° 4.56" 0.0"
July 89.8° 70.9° 80.3° 4.62" 0.0"
August 88.4° 68.8° 78.6° 3.67" 0.0"
September 81.7° 61.5° 71.6° 4.12" 0.0"
October 69.9° 49.0° 59.4° 4.23" 0.0"
November 58.4° 38.9° 48.6° 3.20" 0.0"
December 49.2° 31.9° 40.6° 3.67" 1.3"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 11001. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.