Median Age in Madison County, IA
ACS 2024 5-Year Estimates
40.6 years
Rank #1,915/3,222 · #69 in IA
41th
Madison 40.6 years
IA 38.6 years +5.2%
US 38.9 years +4.4%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Madison County's median age of 40.6 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 Madison County for median age.
Nearby Rankings
Full ranking →| #1,912 | Bacon County, GA | 40.6 years |
| #1,913 | Montgomery County, GA | 40.6 years |
| #1,914 | Macon County, IL | 40.6 years |
| #1,915 | Madison County, IA | 40.6 years |
| #1,916 | Cheyenne County, KS | 40.6 years |
| #1,917 | Harper County, KS | 40.6 years |
| #1,918 | Martin County, KY | 40.6 years |
About Median Age
Madison County, Iowa has a median age of 40.6 years, ranking #1,915 of 3,222 counties nationwide — 4.4% above the national value of 38.9 years. Within Iowa, it ranks #69 of 99. This places it in the 41th 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.