Arapahoe County vs Jefferson County
A side-by-side comparison of Arapahoe County and Jefferson County: population, income, housing, and more.
Arapahoe County and Jefferson County are counties in Colorado. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
Arapahoe County has the higher population (655,709 vs 579,715 in Jefferson County). Jefferson County has the higher median household income ($107,800 vs $97,215 in Arapahoe County). Jefferson County has the higher median home value ($604,400 vs $526,000 in Arapahoe County).
Population, income & housing
| Arapahoe County | Jefferson County | |
|---|---|---|
| Population | 655,709 | 579,715 |
| Median age | 37.3 yrs | 40.4 yrs |
| Median household income | $97,215 | $107,800 |
| Median home value | $526,000 | $604,400 |
| Median gross rent | $1,812 | $1,792 |
| Housing units | 265,980 | 251,183 |
| Homeownership rate | 65.1% | 70.6% |
| Bachelor's degree or higher | 45.7% | 50.7% |
| Unemployment rate | 4.7% | 3.9% |
Trends (ACS 5-year, 2019–2023)
| Arapahoe County | Jefferson County | |
|---|---|---|
| Population | 644,560 → 655,709 (+1.7%) | 574,798 → 579,715 (+0.9%) |
| Median household income | $77,469 → $97,215 (+25.5%) | $82,986 → $107,800 (+29.9%) |
| Median home value | $358,200 → $526,000 (+46.8%) | $397,700 → $604,400 (+52.0%) |
| Median gross rent | $1,390 → $1,812 (+30.4%) | $1,376 → $1,792 (+30.2%) |
Arapahoe County
644,560655,709
$77,469$97,215
$358,200$526,000
$1,390$1,812
Jefferson County
574,798579,715
$82,986$107,800
$397,700$604,400
$1,376$1,792
Age & race/ethnicity
Age distribution (share)
| Arapahoe County | Jefferson County | |
|---|---|---|
| Under 5 | 5.8% | 4.8% |
| 5 to 17 | 17.1% | 14.1% |
| 18 to 24 | 8.1% | 7.5% |
| 25 to 34 | 15.6% | 15.2% |
| 35 to 44 | 14.9% | 14.8% |
| 45 to 54 | 12.8% | 12.5% |
| 55 to 64 | 11.7% | 13.6% |
| 65 to 74 | 8.8% | 10.8% |
| 75 and over | 5.3% | 6.7% |
Race & ethnicity (share)
| Arapahoe County | Jefferson County | |
|---|---|---|
| White (non-Hispanic) | 56.4% | 75.9% |
| Black or African American | 10.5% | 1.1% |
| American Indian & Alaska Native | 0.3% | 0.3% |
| Asian | 5.9% | 2.8% |
| Native Hawaiian & Pacific Islander | 0.3% | 0.1% |
| Some other race | 0.5% | 0.3% |
| Two or more races | 5.0% | 3.7% |
| Hispanic or Latino | 21.2% | 15.9% |
Educational attainment (age 25+)
Share of adults 25+
| Arapahoe County | Jefferson County | |
|---|---|---|
| No high school diploma | 8.0% | 4.5% |
| High school graduate | 18.8% | 18.5% |
| Some college or associate's | 27.4% | 26.2% |
| Bachelor's degree | 28.2% | 32.1% |
| Graduate or professional degree | 17.5% | 18.7% |
Commute to work
How workers get to work (share)
| Arapahoe County | Jefferson County | |
|---|---|---|
| Drove alone | 67.6% | 67.0% |
| Carpooled | 7.7% | 5.8% |
| Public transit | 2.8% | 1.7% |
| Walked | 1.5% | 1.4% |
| Bicycle | 0.3% | 0.6% |
| Worked from home | 18.6% | 22.3% |
| Other means | 1.5% | 1.2% |
Housing
Units in structure (share)
| Arapahoe County | Jefferson County | |
|---|---|---|
| 1-unit, detached | 56.3% | 64.1% |
| 1-unit, attached | 10.5% | 8.8% |
| 2 to 4 units | 3.7% | 4.4% |
| 5 to 19 units | 13.9% | 11.5% |
| 20 or more units | 14.6% | 10.3% |
| Mobile home & other | 0.9% | 1.0% |
Poverty & households
| Arapahoe County | Jefferson County | |
|---|---|---|
| Poverty rate | 8.5% | 6.7% |
| Average household size | 2.56 | 2.38 |
| Mean commute (minutes) | 27 | 27 |
| Median year structure built | 1985 | 1980 |
Full profiles
2Related rankings
21- Largest by population — counties in Colorado
- Most densely populated — counties in Colorado
- Highest median household income — counties in Colorado
- Highest median home value — counties in Colorado
- Most affordable home values — counties in Colorado
- Highest median gross rent — counties in Colorado
- Cheapest median gross rent — counties in Colorado
- Oldest by median age — counties in Colorado
- Youngest by median age — counties in Colorado
- Most college-educated — counties in Colorado
- Highest poverty rate — counties in Colorado
- Lowest poverty rate — counties in Colorado
- Highest homeownership rate — counties in Colorado
- Lowest homeownership rate — counties in Colorado
- Longest commutes — counties in Colorado
- Shortest commutes — counties in Colorado
- Largest households — counties in Colorado
- Newest housing — counties in Colorado
- Oldest housing — counties in Colorado
- Fastest-growing (2019–2023) — counties in Colorado
- Fastest-shrinking (2019–2023) — counties in Colorado