Median Age in Ionia County, MI
ACS 2024 5-Year Estimates
39.1 years
Rank #2,357/3,222 · #75 in MI
27th
Ionia 39.1 years
MI 40.2 years -2.7%
US 38.9 years +0.5%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Ionia County's median age of 39.1 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 Ionia County for median age.
Nearby Rankings
Full ranking →| #2,354 | Stanton County, KS | 39.1 years |
| #2,355 | Stevens County, KS | 39.1 years |
| #2,356 | Vermilion Parish, LA | 39.1 years |
| #2,357 | Ionia County, MI | 39.1 years |
| #2,358 | Madison County, MS | 39.1 years |
| #2,359 | Platte County, MO | 39.1 years |
| #2,360 | Clay County, NE | 39.1 years |
About Median Age
Ionia County, Michigan has a median age of 39.1 years, ranking #2,357 of 3,222 counties nationwide — 0.5% above the national value of 38.9 years. Within Michigan, it ranks #75 of 83. This places it in the 27th 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.