Median Age in Black Hawk County, IA

ACS 2024 5-Year Estimates

Median Age
35.7 years −8.2% vs nat'l
Rank #2,908 of 3,222
10th percentile

How Black Hawk County Compares

Black Hawk County
35.7 years
Iowa Average
35.7 years
Rank #95 of 99 in state
National
38.9 years
8.2% below

National Distribution

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

21.4 years 86.2 years

■ Black Hawk County: 35.7 years

Ranking Context

Rank County Value
#2,905 Kittitas County, WA 35.8 years
#2,906 Eau Claire County, WI 35.8 years
#2,907 Sumter County, AL 35.7 years
#2,908 Black Hawk County, IA 35.7 years
#2,909 Nobles County, MN 35.7 years
#2,910 Sarpy County, NE 35.7 years
#2,911 Elko County, NV 35.7 years
View full ranking →

Median Age in Black Hawk County, Iowa

Black Hawk County, Iowa has a median age of 35.7 years, which ranks #2,908 of 3,222 out of 3,222 counties nationwide. This is 8.2% below the national value of 38.9 years.

Within Iowa, Black Hawk County ranks #95 of 99 out of 99 counties. This places it in the 10th 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.