Median Age in Massac County, IL
ACS 2024 5-Year Estimates
44.7 years
Rank #787/3,222 · #19 in IL
76th
Massac 44.7 years
IL 39.0 years +14.6%
US 38.9 years +14.9%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Massac County's median age of 44.7 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 Massac County for median age.
Nearby Rankings
Full ranking →| #784 | Clay County, AL | 44.7 years |
| #785 | Fremont County, CO | 44.7 years |
| #786 | Edwards County, IL | 44.7 years |
| #787 | Massac County, IL | 44.7 years |
| #788 | Mercer County, IL | 44.7 years |
| #789 | Jackson County, IA | 44.7 years |
| #790 | Van Buren County, IA | 44.7 years |
About Median Age
Massac County, Illinois has a median age of 44.7 years, ranking #787 of 3,222 counties nationwide — 14.9% above the national value of 38.9 years. Within Illinois, it ranks #19 of 102. This places it in the 76th 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.