Denver County, Colorado Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 2nd-largest in Colorado
The population of Denver County, Colorado is 713,734 as of the 2023 American Community Survey, making it the 2nd-largest county in Colorado. The median household income is $91,681, the median home value is $586,700, and the median age is 35.2.
The population of Denver County has grown 20.9% since 2010 (603,012 → 729,019), a +1.36% annualized rate.
713,734
Population
+1.36%
Annual growth
4663
People / sq mi
$91,681
Median Income
$586,700
Median Home Value
Denver County covers 153 sq mi of land at 4662.7 people per square mile.
About Denver County, CO
What distinguishes Denver County is density: among the most densely settled of US counties, around 4,663 people per square mile. With 713,734 residents, Denver County is a county in Colorado. It is the #2-largest of all counties in Colorado nationally.
Income is a real outlier — the median household pulls in $91,681, putting Denver County near the top of US counties. About 7.7% of residents live below the federal poverty level, below the national 12.4%. Home prices are steep, with the typical property valued at $586,700, with typical rent around $1,770.
Denver County is among the best-educated US counties: 55.6% of adults 25 and older hold a bachelor’s degree, above the national 35.0%. An unusually large 24.4% of workers are remote, above the national 14.0%, and the average commute runs about 25 minutes each way.
That density explains much of the rest of the profile in Denver County: denser places lean toward renting, shorter commutes by transit, and a younger working-age mix.
Denver County Population History (2010-2024)
The county of Denver County had a population of 603,012 in 2010 and 729,019 in 2024, a 20.9% growth over 14 years. The peak was 729,019 in 2024. Average annual growth rate: 1.37%.
729,019
Population (2024)
603,012
Population (2010)
729,019
Peak (2024)
1.37%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 603,012 |
| 2011 | 620,250 |
| 2012 | 634,965 |
| 2013 | 649,270 |
| 2014 | 664,540 |
| 2015 | 683,328 |
| 2016 | 696,273 |
| 2017 | 704,869 |
| 2018 | 716,340 |
| 2019 | 725,508 |
| 2020 | 717,620 |
| 2021 | 711,530 |
| 2022 | 714,851 |
| 2023 | 721,367 |
| 2024 | 729,019 |
Race & Ethnicity
| White | 62.9% |
| Black or African American | 8.8% |
| Asian | 0.1% |
| Hispanic or Latino (any race) | 2.9% |
| Two or More Races | 0.0% |
Age & Sex
35.2
Median Age
49.6%
Female
50.4%
Male
12.3%
Age 65+
Age Distribution
Children (under 15): 15.5% · Seniors (65+): 12.3%
Income & Poverty
| Median household income | $91,681$-789 vs state |
| Mean household income | $131,349 |
| Per-capita income | $61,202 |
| Poverty rate | 7.7%+1.8% vs state |
| Unemployment rate | 3.4% |
| Employment-to-population | 70.7% |
Top Industries by Employment
The largest employment sector in Denver County is professional & business services, accounting for 21.9% of workers.
How residents commute
4.5%
Drive alone
3.9%
Carpool
57.7%
Public transit
24.4%
Work from home
25.4 min
Avg commute
Housing
$586,700+$84,500 vs state
Median home value
$1,770
Median rent
49.1%
Homeownership rate
352,593
Total housing units
93.5%
Occupied
6.5%
Vacant
50.9%
Renter-occupied
Social & access
91.2%
With health insurance
97.0%
With broadband internet
46.7%
Foreign-born
4.7%
Veterans (18+)
10.1%
With a disability
76.4%
Speak language other than English at home
Education
91.4%
High School+
55.6%
Bachelor's+
Largest cities in Colorado
Other counties in Colorado
Part of Colorado
Metro areas in Colorado
County rankings
Common questions about Denver County, CO
Frequently Asked Questions
Denver County, Colorado has a population of 713,734 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 2nd-largest county in Colorado. Population density is 4663 people per square mile.
The population of Denver County has grown 20.9% since 2010 (603,012 → 729,019), a +1.36% annualized rate.
The median household income in Denver County, Colorado is $91,681, with mean (average) household income of $131,349 and per-capita income of $61,202. 7.7% of residents live below the federal poverty level.
In Denver County, the largest racial and ethnic groups are White (62.9%), Black or African American (8.8%), Hispanic or Latino (2.9%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Denver County, Colorado is 35.2 years. Residents are 49.6% female and 50.4% male.
The median home value in Denver County is $586,700 and median monthly rent is $1,770. 49.1% of occupied housing units are owner-occupied. The county has 352,593 total housing units, 6.5% of which are vacant.
The largest employment sector in Denver County, Colorado is professional, scientific, and management services, employing 21.9% of workers. The unemployment rate is 3.4%.
Denver is among the largest cities associated with Denver County, Colorado, with a population of 713,734.
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Statewide data for Colorado
Population, race, income, age, and trends across Colorado
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.