Median Age in St. Joseph County, IN
ACS 2024 5-Year Estimates
36.7 years
Rank #2,785/3,222 · #82 in IN
14th
St. Joseph 36.7 years
IN 38.1 years -3.7%
US 38.9 years -5.7%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How St. Joseph County's median age of 36.7 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 St. Joseph County for median age.
Nearby Rankings
Full ranking →| #2,782 | Grant County, WI | 36.8 years |
| #2,783 | Matanuska-Susitna Borough, AK | 36.7 years |
| #2,784 | Clinton County, IN | 36.7 years |
| #2,785 | St. Joseph County, IN | 36.7 years |
| #2,786 | Bossier Parish, LA | 36.7 years |
| #2,787 | Ziebach County, SD | 36.7 years |
| #2,788 | Brazoria County, TX | 36.7 years |
About Median Age
St. Joseph County, Indiana has a median age of 36.7 years, ranking #2,785 of 3,222 counties nationwide — 5.7% below the national value of 38.9 years. Within Indiana, it ranks #82 of 92. This places it in the 14th 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.