Denver County, Colorado
County seat: Denver · Population 740,613 (2025) · 153 sq mi
Denver County is the 2nd most populous of Colorado's 64 counties, with 740,613 people (2025 estimate). Its county seat is Denver, which is also the state capital. It is part of the Region 3: Denver Metropolitan Area region, one of the 14 Planning and Management Regions of Colorado. The map shows its 1 city or town and the 3 neighboring counties.
Denver County facts
- County seat
- Denver
- Population (2025 estimate)
- 740,613 +3.5% since 2020
- Land area
- 153 sq mi 62nd largest of 64
- Water area
- 2 sq mi
- Population density
- 4,838 per sq mi
- Established
- 1902
- Named after
- Denver consolidated city-county and capital of the U.S. state of Colorado
- Largest city
- Denver 740,613
- Median household income
- $94,718
- Cities and towns
- 1
- ZIP codes
- 41
- Time zone
- Mountain
- FIPS code
- 08031
Cities and towns in Denver County
Denver County has 1 incorporated place. Populations count the people living inside Denver County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Denver (county seat) | City | 740,613 |
ZIP codes in Denver County
41 ZIP codes reach into Denver County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 80012 also Arapahoe County
- 80014 also Arapahoe County
- 80110 also Arapahoe County
- 80123 also Jefferson and Arapahoe counties
- 80202
- 80203
- 80204
- 80205
- 80206
- 80207
- 80209
- 80210
- 80211
- 80212 also Jefferson and Adams counties
- 80214 also Jefferson County
- 80216 also Adams County
- 80218
- 80219
- 80220 also Adams and Arapahoe counties
- 80221 also Adams County
- 80222 also Arapahoe County
- 80223
- 80224 also Arapahoe County
- 80226 also Jefferson County
- 80227 also Jefferson County
- 80230 also Arapahoe County
- 80231 also Arapahoe County
- 80232 also Jefferson County
- 80235 also Jefferson County
- 80236 also Arapahoe County
- 80237 also Arapahoe County
- 80238
- 80239 also Adams County
- 80246 also Arapahoe County
- 80247 also Arapahoe County
- 80249
- 80264
- 80266
- 80290
- 80293
- 80294
Population of Denver County, 2020–2025
Denver County grew by 25,104 people (+3.5%) between April 2020 and July 2025: 19,508 more births than deaths and a net gain of 5,940 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 717,680 |
| 2021 | 712,156 |
| 2022 | 716,800 |
| 2023 | 726,763 |
| 2024 | 741,591 |
| 2025 | 740,613 |
Neighboring counties
- Adams County east · 554,668 people
- Arapahoe County east · 673,820 people
- Jefferson County southwest · 580,451 people
Printable Denver County map
The PDF is a vector file with real text: it prints sharp on Letter paper and you can search it for a town. The PNG is 2400 pixels wide for slides and documents. Both are free to use with a credit to WhichCounty.
- PDF (Letter) (61 KB)
- PNG (2400 px) (55 KB)
Paste this code to embed the map on your site:
Sources
- Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files (1:500,000).
- Population: Census Bureau county and city estimates, Vintage 2025. CDP populations: American Community Survey 2020–2024.
- Places and ZIP codes: Census Bureau 2026 Gazetteer and 2020 ZIP Code Tabulation Area relationship files.
- County seat, founding year and name origin: Wikidata (CC0), checked against state sources.
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