Median Age in Stephenson County, IL

ACS 2024 5-Year Estimates

Median Age
45.3 years +16.5% vs nat'l
Rank #701 of 3,222
78th percentile

How Stephenson County Compares

Stephenson County
45.3 years
Illinois Average
45.3 years
Rank #17 of 102 in state
National
38.9 years
16.5% above

National Distribution

Where Stephenson County falls among all 3,222 U.S. counties for median age.

21.4 years 86.2 years

■ Stephenson County: 45.3 years

Ranking Context

Rank County Value
#698 Palm Beach County, FL 45.3 years
#699 Clay County, GA 45.3 years
#700 Shelby County, IL 45.3 years
#701 Stephenson County, IL 45.3 years
#702 York County, ME 45.3 years
#703 Pope County, MN 45.3 years
#704 Rutherford County, NC 45.3 years
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Median Age in Stephenson County, Illinois

Stephenson County, Illinois has a median age of 45.3 years, which ranks #701 of 3,222 out of 3,222 counties nationwide. This is 16.5% above the national value of 38.9 years.

Within Illinois, Stephenson County ranks #17 of 102 out of 102 counties. This places it in the 78th 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.