• county
  • FIPS 08031
  • Largest town: Denver

Denver County, Colorado

Denver County had 729,019 residents in the Census Vintage 2024 estimate, on 153.1 square miles of land. It ranks 2nd of 64 in Colorado by population and 62nd by land area.

Population
729,019
#2 of 64 in Colorado · #95 in US
Area
153.1 sq mi
#62 of 64 in Colorado · #3,055 in US
Density
4,763 / sq mi
#1 of 64 in Colorado · #20 in US
Median household income
$93,572
#18 of 64 in Colorado · #199 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Denver County within Colorado. Pin: Denver.

Measure from here

Tools and pages that start from Denver County

Denver County population, land area and income

Denver County had 729,019 residents in the Census Vintage 2024 estimate, on 153.1 square miles of land. It ranks 2nd of 64 in Colorado by population and 62nd by land area. That works out to 4,762.7 people per square mile, 49.5 times the US average of 96.3, and in the top tenth nationally.

The median county-equivalent in Colorado has 15,336 residents, so Denver County is 47.5 times that size.

Its SAIPE 2023 median household income of $93,572 is in the top tenth among 3,143 counties with an estimate.

National rank among 3,144

Population

729,019

3144th1st

95th of 3,144 (US)

Land area

153 sq mi

3144th1st

3055th of 3,144 (US)

Density

4,762.7 / sq mi

3144th1st

20th of 3,144 (US)

Median household income

$93,572

3143rd1st

199th of 3,143 (US)

Rank within Colorado (64)

Population

729,019

64th1st

2nd of 64 (CO)

Land area

153 sq mi

64th1st

62nd of 64 (CO)

Density

4,762.7 / sq mi

64th1st

1st of 64 (CO)

Median household income

$93,572

64th1st

18th of 64 (CO)

How Denver County's population changed since 2020

Denver County gained 11,399 residents between the July 2020 and July 2024 estimates, a rise of 1.6%. That ranks 34th of 64 in Colorado for growth. The median Colorado county changed by +1.7%, and the state as a whole by +2.9%.

Since the April 2020 estimates base, Denver County recorded 35,815 births and 22,354 deaths, a natural change of +13,461. Net international migration added +15,743 and net domestic migration, people moving to or from other US counties, came to -15,255. The largest single component was international migration, which added 15,743 people.

717.6k2020711.5k2021714.9k2022721.4k2023729.0k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
35,815
Deaths
22,354
Net international migration
+15,743
Net domestic migration
-15,255
Change, July 2023 to July 2024
+7,652

Where Denver County is

The Census internal point of Denver County is at 39.761900, -104.881100. It sits in UTM zone 13N. The map shades Colorado's 64 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Denver County outlined. Dots are towns of 1,000+ people with residents in it.

Otero County: -3.6%Lake County: -0.6%Adams County: +4.3%Kit Carson County: +0.2%Phillips County: -0.9%Bent County: +5.5%Lincoln County: -1.1%Washington County: -0.9%Hinsdale County: -5.1%Alamosa County: +1.9%Kiowa County: -4.1%Arapahoe County: +1.8%Archuleta County: +5.1%Montrose County: +4.6%Jefferson County: -0.8%Gilpin County: +2.5%Larimer County: +4.1%Custer County: +17.5%Saguache County: +4.3%Mineral County: +7.1%Broomfield County: +5.1%Logan County: -2.1%Mesa County: +3.4%Eagle County: -2.4%Denver County: +1.6%Pitkin County: -4.2%Boulder County: -0.2%El Paso County: +2.6%Las Animas County: +0.1%San Miguel County: -2.9%Douglas County: +9.3%Cheyenne County: -1.9%Garfield County: +2.2%Ouray County: +6.5%San Juan County: +16.0%Yuma County: +0.8%Elbert County: +12.1%Prowers County: -0.5%Morgan County: +4.2%Delta County: +3.7%Chaffee County: +6.6%Huerfano County: +2.4%Teller County: +0.5%Costilla County: +5.3%Baca County: -3.3%Routt County: +1.6%Conejos County: +1.3%Summit County: -1.1%Clear Creek County: -3.0%Fremont County: +2.5%Rio Blanco County: +1.3%Dolores County: +5.8%Grand County: +2.6%Gunnison County: +2.1%Park County: +5.1%Sedgwick County: -5.5%Montezuma County: +3.7%La Plata County: +2.1%Moffat County: -1.0%Rio Grande County: -3.6%Weld County: +11.5%Pueblo County: +0.9%Jackson County: -7.6%Crowley County: -1.5%
Change 2020 to 2024
  1. < -1.9%
  2. < +0.5%
  3. < +2.4%
  4. < +5.1%
  5. ≥ +5.1%
no data

Orange pin: Denver County internal point. Dark pin: Denver.

Internal point

Decimal
39.761900, -104.881100
DMS
39°45'42.84"N 104°52'51.96"W
UTM
13N 510184.4E 4401337.8N
Geohash
9xj6jq7vv
Plus code
85FQQ469+QH

Towns in Denver County

One incorporated place of 1,000+ people has residents in Denver County, 729,019 people together, or 100% of the county. Each figure counts only the part of the town inside Denver County; towns marked "part" extend into another county. The largest is Denver with 729,019.

  1. 01Denver729,019
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Denver County

The Census 2024 county adjacency file lists 3 neighbors for Denver County. The most populous is Arapahoe County, CO, with 666,918 residents. Distances run between Census internal points in a straight line.

Distance to Denver and the nearest big city

Denver is 5.7 miles WSW of Denver County's internal point in a straight line. The nearest place of 100,000 or more is Denver, CO (population 729,019), 0.0 miles away.

Denver County FIPS code

The FIPS code of Denver County is 08031: state code 08 for Colorado plus county code 031. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $93,572.

Questions people ask

What is the population of Denver County, Colorado?

The Census Vintage 2024 estimate for July 1, 2024 is 729,019. That is up 11,399 people (1.6%) from the July 2020 estimate of 717,620.

What is the FIPS code of Denver County?

08031. The first two digits (08) are Colorado; the last three (031) identify the county.

What is the largest town in Denver County?

Denver, with 729,019 residents inside Denver County in 2024.

Which counties border Denver County?

3 county-equivalents border it in the Census 2024 adjacency file: Arapahoe County, CO; Jefferson County, CO; Adams County, CO.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.