Special Report

The Oldest County in Every State

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Massachusetts: Barnstable County
> Median Age: 53.7 years (state: 39.6 years)
> Population 65 and over: 30.5% (state: 16.5%)
> Total population: 213,505
> Life expectancy: 79.7 years
> County seat: Barnstable

Michigan: Ontonagon County
> Median Age: 59.1 years (state: 39.8 years)
> Population 65 and over: 36.3% (state: 17.2%)
> Total population: 5,802
> Life expectancy: 78.3 years
> County seat: Ontonagon

Minnesota: Aitkin County
> Median Age: 55.9 years (state: 38.1 years)
> Population 65 and over: 33.1% (state: 15.8%)
> Total population: 15,826
> Life expectancy: 78.7 years
> County seat: Aitkin

Source: BOB WESTON / iStock via Getty Images

Mississippi: Amite County
> Median Age: 47.3 years (state: 37.7 years)
> Population 65 and over: 23.5% (state: 15.9%)
> Total population: 12,341
> Life expectancy: 77.0 years
> County seat: Liberty

Source: BOB WESTON / Getty Images

Missouri: Hickory County
> Median Age: 55.0 years (state: 38.7 years)
> Population 65 and over: 33.4% (state: 16.9%)
> Total population: 9,452
> Life expectancy: 75.6 years
> County seat: Hermitage

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