Median Age in Clayton County, IA
ACS 2024 5-Year Estimates
46.4 years
Rank #543/3,222 · #5 in IA
83th
Clayton 46.4 years
IA 38.6 years +20.2%
US 38.9 years +19.3%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Clayton County's median age of 46.4 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 Clayton County for median age.
Nearby Rankings
Full ranking →| #540 | Buffalo County, WI | 46.5 years |
| #541 | Vieques Municipio, PR | 46.5 years |
| #542 | Dixie County, FL | 46.4 years |
| #543 | Clayton County, IA | 46.4 years |
| #544 | Morris County, KS | 46.4 years |
| #545 | Osborne County, KS | 46.4 years |
| #546 | Dundy County, NE | 46.4 years |
About Median Age
Clayton County, Iowa has a median age of 46.4 years, ranking #543 of 3,222 counties nationwide — 19.3% above the national value of 38.9 years. Within Iowa, it ranks #5 of 99. This places it in the 83th 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.