Median Age in Clay County, IA

ACS 2024 5-Year Estimates

42.3 years Rank #1,400/3,222 · #48 in IA
57th
Clay 42.3 years
IA 38.6 years +9.6%
US 38.9 years +8.7%

Median Age Trend

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Percentile Rank Over Time

Year-over-Year Age Change

National Distribution

How Clay County's median age of 42.3 years compares to all 3,222 U.S. counties. Values range from 21.4 years to 86.2 years.

Distribution of Median Age Across All Counties

Ranking Context

Counties ranked closest to Clay County for median age.

Nearby Rankings

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#1,397 Richland County, IL 42.3 years
#1,398 Fulton County, IN 42.3 years
#1,399 Randolph County, IN 42.3 years
#1,400 Clay County, IA 42.3 years
#1,401 Des Moines County, IA 42.3 years
#1,402 Stafford County, KS 42.3 years
#1,403 Boyd County, KY 42.3 years

About Median Age

Clay County, Iowa has a median age of 42.3 years, ranking #1,400 of 3,222 counties nationwide — 8.7% above the national value of 38.9 years. Within Iowa, it ranks #48 of 99. This places it in the 57th percentile nationally.

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