HomeCoverageDistrict of Columbia

District of Columbia: county data, all 1 of them.

681,294 residents across 1 county-equivalents, 23,801 business establishments, and 968 SBA approvals worth $516.4 m. Every figure on this page is those counties summed, and every county has its own page.

32 state-level values · 1 county pages · underlined figures are computed by MMCG Analytics, not published by the agency

How many people live in District of Columbia?

  • Population681,294
  • Households324,491
  • Average household size2.10
  • County-equivalents1
  • People per square mile11,169

District of Columbia has 681,294 residents in 324,491 households across 1 county-equivalents, every one of which has its own data page below.

US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.

What is the District of Columbia economy?

  • Combined county product, 2024$184.30 bn
  • County product per resident$270,511
  • Covered employment759,572
  • Average annual pay$122,982

The average annual pay of $122,982 is weighted by each county's covered employment, not averaged across counties, so a large labour market counts for more than a small one.

US Bureau of Economic Analysis, Regional, table CAGDP2, CAGDP2, through 2024. US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages.

How many businesses are in District of Columbia?

  • Business establishments23,801
  • Establishments per 1,000 residents34.9
  • Employment at those establishments558,653
  • Annual payroll$56.78 bn

US Census Bureau, County Business Patterns, 2023.

Building permits in District of Columbia

  • Housing units permitted1,737
  • Permitted construction value$270.2 m
  • Units permitted per 1,000 households5.4

US Census Bureau, Building Permits Survey, 2024 annual.

SBA loans in District of Columbia (7(a) and 504)

  • 7(a) approvals recorded824
  • 7(a) approval dollars$366.5 m
  • Average 7(a) approval$444,736
  • 504 approvals recorded144
  • 504 approval dollars$149.9 m
  • Average 504 approval$1,041,021
  • Counties with a 7(a) record1 of 1

US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30. US Small Business Administration, 504 FOIA release, FY2010 to FY2026 year to date, as of 2026-06-30.

SBA loan default and charge-off rates in District of Columbia

  • 7(a) charge-off rate over resolved loans26.70 percent
  • Resolved 7(a) loans behind that rate131
  • 7(a) loans charged off35
  • 504 charge-off rate over resolved loans2.30 percent
  • Resolved 504 loans behind that rate43
  • 504 loans charged off1

Of the 131 District of Columbia 7(a) loans that have reached a final outcome, 26.70 percent were charged off. The rate is taken over resolved loans only, because a loan still running has not yet succeeded or failed.

Compare against the national and state SBA charge-off rates, computed the same way over resolved loans only.

US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30. US Small Business Administration, 504 FOIA release, FY2010 to FY2026 year to date, as of 2026-06-30.

How large is District of Columbia?

  • Land area61 sq mi
  • County-equivalents1
  • People per square mile11,169

US Census Bureau county boundary geometry, TIGER, adjacency computed from shared boundary vertices, TIGER county boundaries. US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.

The largest counties in District of Columbia.

District of Columbia county-equivalents by population, with the figures a site search compares them on
GeographyPopulationMedian incomeEstablishmentsCounty GDPSBA approvals
District of Columbia681,294$109,87023,801$184.30 bn968

Counties

All 1 District of Columbia county-equivalents.

District of Columbia counties: population, income, establishments and SBA activity
GeographyPopulationMedian incomeEstablishmentsCounty GDPSBA approvalsLand area, sq mi
District of Columbia681,294$109,87023,801$184.30 bn96861

The register

Every source behind these 1 pages.

SourcePeriod coveredLicence
US Census Bureau, American Community Survey 5-Year Estimates2020-2024 5-yearUS Census Bureau, public domain
US Census Bureau, Population Estimates Program, Vintage 2024Vintage 2024, estimates 2020 to 2024US Census Bureau, public domain
US Bureau of Economic Analysis, Regional, table CAGDP2CAGDP2, through 2024US Bureau of Economic Analysis, public domain
US EPA, Map of Radon Zones, county spreadsheet2024-05 publication, EPA 402/A-16/001US EPA, public domain
FEMA OpenFEMA, NFIP Community Status BookCommunity Status Book, as retrievedFEMA OpenFEMA, public domain
US Small Business Administration, 7(a) FOIA releaseFY2020 to FY2026 year to date, as of 2026-06-30FOIA release, public domain
US Small Business Administration, 504 FOIA releaseFY2010 to FY2026 year to date, as of 2026-06-30FOIA release, public domain
US Census Bureau county boundary geometry, TIGER, adjacency computed from shared boundary verticesTIGER county boundariesUS Census Bureau, public domain
US Census Bureau, County Business Patterns2023US Census Bureau, public domain
US Bureau of Labor Statistics, Quarterly Census of Employment and Wages2024 annual averagesUS BLS, public domain
US Census Bureau, Building Permits Survey2024 annualUS Census Bureau, public domain
US Internal Revenue Service, Statistics of Income county migration flows2021 to 2022 filing yearsIRS SOI, public domain

A District of Columbia statutory guide is in preparation.

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