Special Report

The Oldest County in Every State

Colorado: Custer County
> Median age: 59.7 years (state: 36.7 years)
> Population under 18: 15.0% (state: 22.5%)
> Population 65 and over: 36.0% (state: 13.8%)
> Total population: 4,776
> Largest place in county: Silver Cliff

Connecticut: Litchfield County
> Median age: 47.3 years (state: 41.0 years)
> Population under 18: 18.5% (state: 20.8%)
> Population 65 and over: 20.6% (state: 16.8%)
> Total population: 182,002
> Largest place in county: Torrington

Source: aimintang / Getty Images

Delaware: Sussex County
> Median age: 49.6 years (state: 40.6 years)
> Population under 18: 18.8% (state: 21.3%)
> Population 65 and over: 27.0% (state: 18.2%)
> Total population: 224,384
> Largest place in county: Milford

Source: Ken Badgley / Getty Images

Florida: Sumter County
> Median age: 67.4 years (state: 42.0 years)
> Population under 18: 7.3% (state: 20.0%)
> Population 65 and over: 56.7% (state: 20.1%)
> Total population: 125,044
> Largest place in county: The Villages

Source: Wilsilver77 / Getty Images

Georgia: Union County
> Median age: 54.3 years (state: 36.7 years)
> Population under 18: 16.3% (state: 24.1%)
> Population 65 and over: 32.5% (state: 13.5%)
> Total population: 23,288
> Largest place in county: Blairsville