US Census Data

Boulder County vs Douglas County

A side-by-side comparison of Boulder County and Douglas County: population, income, housing, and more.

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

Douglas County has the higher population (368,283 vs 328,317 in Boulder County). Douglas County has the higher median household income ($145,737 vs $102,772 in Boulder County). Boulder County has the higher median home value ($713,900 vs $674,000 in Douglas County).

Population, income & housing

Boulder CountyDouglas County
Population328,317368,283
Median age37.5 yrs39.5 yrs
Median household income$102,772$145,737
Median home value$713,900$674,000
Median gross rent$1,893$2,095
Housing units142,809140,542
Homeownership rate62.5%77.8%
Bachelor's degree or higher63.9%60.9%
Unemployment rate4.6%3.6%

Trends (ACS 5-year, 2019–2023)

Boulder CountyDouglas County
Population322,510 → 328,317 (+1.8%)336,041 → 368,283 (+9.6%)
Median household income$83,019 → $102,772 (+23.8%)$119,730 → $145,737 (+21.7%)
Median home value$497,300 → $713,900 (+43.6%)$468,700 → $674,000 (+43.8%)
Median gross rent$1,495 → $1,893 (+26.6%)$1,725 → $2,095 (+21.4%)

Boulder County

Population
322,510328,317
Median household income
$83,019$102,772
Median home value
$497,300$713,900
Median gross rent
$1,495$1,893

Douglas County

Population
336,041368,283
Median household income
$119,730$145,737
Median home value
$468,700$674,000
Median gross rent
$1,725$2,095

Age & race/ethnicity

Age distribution (share)

Boulder CountyDouglas County
Under 54.0%5.4%
5 to 1714.0%18.6%
18 to 2415.3%7.8%
25 to 3413.6%11.8%
35 to 4412.6%15.0%
45 to 5412.6%15.2%
55 to 6412.2%12.8%
65 to 749.8%8.4%
75 and over6.0%5.0%

Race & ethnicity (share)

Boulder CountyDouglas County
White (non-Hispanic)75.3%78.3%
Black or African American0.7%1.3%
American Indian & Alaska Native0.2%0.2%
Asian4.6%5.5%
Native Hawaiian & Pacific Islander0.1%0.1%
Some other race0.3%0.4%
Two or more races4.2%4.3%
Hispanic or Latino14.6%9.9%

Educational attainment (age 25+)

Share of adults 25+

Boulder CountyDouglas County
No high school diploma4.5%2.0%
High school graduate11.0%11.6%
Some college or associate's20.6%25.5%
Bachelor's degree34.5%38.9%
Graduate or professional degree29.4%22.0%

Commute to work

How workers get to work (share)

Boulder CountyDouglas County
Drove alone55.6%64.4%
Carpooled5.7%5.3%
Public transit3.1%0.8%
Walked3.8%1.2%
Bicycle3.0%0.1%
Worked from home27.9%27.4%
Other means0.9%0.8%

Housing

Units in structure (share)

Boulder CountyDouglas County
1-unit, detached57.9%74.1%
1-unit, attached9.0%5.7%
2 to 4 units5.9%1.8%
5 to 19 units12.4%9.1%
20 or more units12.4%8.8%
Mobile home & other2.4%0.3%

Poverty & households

Boulder CountyDouglas County
Poverty rate11.4%3.2%
Average household size2.332.70
Mean commute (minutes)2327
Median year structure built19862001

Full profiles

2

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