Median Age in Polk County, IA

ACS 2024 5-Year Estimates

Median Age
36.2 years −6.9% vs nat'l
Rank #2,848 of 3,222
12th percentile

How Polk County Compares

Polk County
36.2 years
Iowa Average
36.2 years
Rank #91 of 99 in state
National
38.9 years
6.9% below

National Distribution

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

21.4 years 86.2 years

■ Polk County: 36.2 years

Ranking Context

Rank County Value
#2,845 Butte County, CA 36.2 years
#2,846 Glenn County, CA 36.2 years
#2,847 Allen County, IN 36.2 years
#2,848 Polk County, IA 36.2 years
#2,849 St. Bernard Parish, LA 36.2 years
#2,850 Wicomico County, MD 36.2 years
#2,851 Baltimore city, MD 36.2 years
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Median Age in Polk County, Iowa

Polk County, Iowa has a median age of 36.2 years, which ranks #2,848 of 3,222 out of 3,222 counties nationwide. This is 6.9% below the national value of 38.9 years.

Within Iowa, Polk County ranks #91 of 99 out of 99 counties. This places it in the 12th 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.