Special Report

The Youngest County in Every State

Source: Joel Carillet / Getty Images

Virginia: Lexington
> Median age: 22.3 years (state: 38.2 years)
> Population under 18: 9.0% (state: 22.1%)
> Population 65 and over: 15.6% (state: 15.0%)
> Total population: 7,241
> Largest place in county: Lexington

Source: redfishweb / Getty Images

Washington: Whitman County
> Median age: 24.7 years (state: 37.7 years)
> Population under 18: 15.1% (state: 22.2%)
> Population 65 and over: 10.2% (state: 15.1%)
> Total population: 49,231
> Largest place in county: Pullman

Source: BackyardProduction / iStock via Getty Images

West Virginia: Monongalia County
> Median age: 31.7 years (state: 42.5 years)
> Population under 18: 16.4% (state: 20.3%)
> Population 65 and over: 12.2% (state: 19.4%)
> Total population: 105,474
> Largest place in county: Morgantown

Source: Michael-Tatman / iStock via Getty Images

Wisconsin: Menominee County
> Median age: 32.0 years (state: 39.5 years)
> Population under 18: 32.7% (state: 22.1%)
> Population 65 and over: 13.0% (state: 16.5%)
> Total population: 4,558
> Largest place in county: Legend Lake

Source: Jasperdo / Flickr

Wyoming: Albany County
> Median age: 27.6 years (state: 37.7 years)
> Population under 18: 16.2% (state: 23.5%)
> Population 65 and over: 11.3% (state: 15.7%)
> Total population: 38,390
> Largest place in county: Laramie