Median Age in Plymouth County, IA
ACS 2024 5-Year Estimates
How Plymouth County Compares
National Distribution
Where Plymouth County falls among all 3,222 U.S. counties for median age.
■ Plymouth County: 41.3 years
Ranking Context
| Rank | County | Value |
|---|---|---|
| #1,704 | Vermilion County, IL | 41.3 years |
| #1,705 | Whitley County, IN | 41.3 years |
| #1,706 | Jasper County, IA | 41.3 years |
| #1,707 | Plymouth County, IA | 41.3 years |
| #1,708 | Norton County, KS | 41.3 years |
| #1,709 | Sumner County, KS | 41.3 years |
| #1,710 | Hopkins County, KY | 41.3 years |
Median Age in Plymouth County, Iowa
Plymouth County, Iowa has a median age of 41.3 years, which ranks #1,707 of 3,222 out of 3,222 counties nationwide. This is 6.2% above the national value of 38.9 years.
Within Iowa, Plymouth County ranks #64 of 99 out of 99 counties. This places it in the 47th 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.