How many counties in District of Columbia? All 1 listed
Quick answer
District of Columbia has 1 counties and county equivalents holding 672,079 residents. The most populous county in District of Columbia is District of Columbia with 672,079 residents; the smallest is District of Columbia. County boundaries divide the state's land area — measured in square miles by the Census Bureau — into the units used for property assessment, elections and local sales tax. The statewide sales tax base rate is 6% with no local add-ons.
All 1 counties
Ranked by population, Census 2019-2023 ACS 5-year estimates.
| County | Population | Median income | Median home value | Median rent |
|---|---|---|---|---|
| District of Columbia | 672,079 | $106,287 | $724,600 | $1,900 |
Source: US Census Bureau, ACS 2019-2023 5-year estimates · rates as published for 2019-2023 ACS 5-year
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More District of Columbia data.