US Census Data

Arapahoe County vs Denver County

A side-by-side comparison of Arapahoe County and Denver County: population, income, housing, and more.

Arapahoe County and Denver County are counties in Colorado. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Denver County has the higher population (713,734 vs 655,709 in Arapahoe County). Arapahoe County has the higher median household income ($97,215 vs $91,681 in Denver County). Denver County has the higher median home value ($586,700 vs $526,000 in Arapahoe County).

Population, income & housing

Arapahoe CountyDenver County
Population655,709713,734
Median age37.3 yrs35.2 yrs
Median household income$97,215$91,681
Median home value$526,000$586,700
Median gross rent$1,812$1,770
Housing units265,980352,593
Homeownership rate65.1%49.1%
Bachelor's degree or higher45.7%55.6%
Unemployment rate4.7%4.6%

Trends (ACS 5-year, 2019–2023)

Arapahoe CountyDenver County
Population644,560 → 655,709 (+1.7%)705,576 → 713,734 (+1.2%)
Median household income$77,469 → $97,215 (+25.5%)$68,592 → $91,681 (+33.7%)
Median home value$358,200 → $526,000 (+46.8%)$390,600 → $586,700 (+50.2%)
Median gross rent$1,390 → $1,812 (+30.4%)$1,311 → $1,770 (+35.0%)

Arapahoe County

Population
644,560655,709
Median household income
$77,469$97,215
Median home value
$358,200$526,000
Median gross rent
$1,390$1,812

Denver County

Population
705,576713,734
Median household income
$68,592$91,681
Median home value
$390,600$586,700
Median gross rent
$1,311$1,770

Age & race/ethnicity

Age distribution (share)

Arapahoe CountyDenver County
Under 55.8%5.5%
5 to 1717.1%12.9%
18 to 248.1%8.0%
25 to 3415.6%23.4%
35 to 4414.9%16.9%
45 to 5412.8%11.7%
55 to 6411.7%9.5%
65 to 748.8%7.6%
75 and over5.3%4.7%

Race & ethnicity (share)

Arapahoe CountyDenver County
White (non-Hispanic)56.4%54.6%
Black or African American10.5%8.5%
American Indian & Alaska Native0.3%0.3%
Asian5.9%3.5%
Native Hawaiian & Pacific Islander0.3%0.1%
Some other race0.5%0.5%
Two or more races5.0%4.6%
Hispanic or Latino21.2%27.9%

Educational attainment (age 25+)

Share of adults 25+

Arapahoe CountyDenver County
No high school diploma8.0%8.6%
High school graduate18.8%14.8%
Some college or associate's27.4%21.0%
Bachelor's degree28.2%33.8%
Graduate or professional degree17.5%21.9%

Commute to work

How workers get to work (share)

Arapahoe CountyDenver County
Drove alone67.6%57.7%
Carpooled7.7%6.5%
Public transit2.8%4.5%
Walked1.5%3.9%
Bicycle0.3%1.6%
Worked from home18.6%24.4%
Other means1.5%1.3%

Housing

Units in structure (share)

Arapahoe CountyDenver County
1-unit, detached56.3%41.2%
1-unit, attached10.5%8.6%
2 to 4 units3.7%5.3%
5 to 19 units13.9%12.5%
20 or more units14.6%32.0%
Mobile home & other0.9%0.3%

Poverty & households

Arapahoe CountyDenver County
Poverty rate8.5%11.2%
Average household size2.562.12
Mean commute (minutes)2725
Median year structure built19851974

Full profiles

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