Median Age in Colorado

ACS 2024 5-Year Estimates

Median Age
37.7 years −3.1% vs nat'l
Rank #42 of 52
20th %ile

How Colorado Compares

Colorado
37.7 years
National
38.9 years
3.1% below

State Ranking

Rank State Value
#39 Louisiana 38.0 years
#40 South Dakota 38.0 years
#41 California 37.9 years
#42 Colorado 37.7 years
#43 Georgia 37.6 years
#44 Kansas 37.4 years
#45 Idaho 37.3 years
View full state ranking →

Highest Age Counties in Colorado

# County Age
1 Custer County 58.2 years
2 Dolores County 56.7 years
3 Mineral County 56.4 years
4 Ouray County 55.4 years
5 Huerfano County 55.3 years
6 Teller County 52.2 years
7 Archuleta County 52.1 years
8 Jackson County 51.6 years
9 Park County 51.2 years
10 Costilla County 50.5 years

Lowest Age Counties in Colorado

# County Age
64 Alamosa County 33.2 years
63 Adams County 34.8 years
62 El Paso County 35.1 years
61 Weld County 35.3 years
60 Denver County 35.3 years
59 Larimer County 36.8 years
58 Lake County 37.3 years
57 Arapahoe County 37.3 years
56 San Juan County 37.5 years
55 Morgan County 37.5 years

Median Age in Colorado

Colorado has a median age of 37.7 years, ranking #42 of 52 among all 52 states and territories. This is 3.1% below the national value of 38.9 years.

Across Colorado's 64 counties, median age ranges from 33.2 years to 58.2 years. The county with the highest value is Custer County at 58.2 years.

The median age of the total population.

About this data

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.