Median Age in Dallas County, IA

ACS 2024 5-Year Estimates

Median Age
36.1 years −7.2% vs nat'l
Rank #2,859 of 3,222
11th percentile

How Dallas County Compares

Dallas County
36.1 years
Iowa Average
36.1 years
Rank #92 of 99 in state
National
38.9 years
7.2% below

National Distribution

Where Dallas County falls among all 3,222 U.S. counties for median age.

21.4 years 86.2 years

■ Dallas County: 36.1 years

Ranking Context

Rank County Value
#2,856 Yuma County, AZ 36.1 years
#2,857 San Benito County, CA 36.1 years
#2,858 Twin Falls County, ID 36.1 years
#2,859 Dallas County, IA 36.1 years
#2,860 Decatur County, IA 36.1 years
#2,861 Woodbury County, IA 36.1 years
#2,862 Atchison County, KS 36.1 years
View full ranking →

Median Age in Dallas County, Iowa

Dallas County, Iowa has a median age of 36.1 years, which ranks #2,859 of 3,222 out of 3,222 counties nationwide. This is 7.2% below the national value of 38.9 years.

Within Iowa, Dallas County ranks #92 of 99 out of 99 counties. This places it in the 11th percentile nationally.

The median age of the total population. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.

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.