How Marshall County Compares

Marshall County

38.5 years

Iowa Average

38.5 years

Rank #86 of 99 in state

National

38.9 years

1.0% below

National Distribution

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

21.4 years 86.2 years

■ Marshall County: 38.5 years

Ranking Context

Rank	County	Value
#2,473	Caribou County, ID	38.5 years
#2,474	Warren County, IL	38.5 years
#2,475	Hendricks County, IN	38.5 years
#2,476	Marshall County, IA	38.5 years
#2,477	Sherman County, KS	38.5 years
#2,478	Carroll County, KY	38.5 years
#2,479	Prince George's County, MD	38.5 years

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Median Age in Marshall County, Iowa

Marshall County, Iowa has a median age of 38.5 years, which ranks #2,476 of 3,222 out of 3,222 counties nationwide. This is 1.0% below the national value of 38.9 years.

Within Iowa, Marshall County ranks #86 of 99 out of 99 counties. This places it in the 23th 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.