The Oldest County in Every State

Source: Larry D. Moore / Wikimedia Commons

Montana: Treasure County
> Median Age: 57.8 years (state: 40.1 years)
> Population 65 and over: 30.1% (state: 18.7%)
> Total population: 614
> Life expectancy: N/A
> County seat: Hysham

Source: Public Domain / Wikimedia Commons

Nebraska: Wheeler County
> Median Age: 58.9 years (state: 36.6 years)
> Population 65 and over: 31.8% (state: 15.7%)
> Total population: 689
> Life expectancy: N/A
> County seat: Bartlett

Source: BOB WESTON / iStock via Getty Images

Nevada: Esmeralda County
> Median Age: 54.6 years (state: 38.2 years)
> Population 65 and over: 25.4% (state: 15.8%)
> Total population: 1,030
> Life expectancy: N/A
> County seat: Goldfield

Source: RobinAmaral / iStock via Getty Images

New Hampshire: Carroll County
> Median Age: 53.4 years (state: 43.0 years)
> Population 65 and over: 28.3% (state: 18.1%)
> Total population: 48,461
> Life expectancy: 79.6 years
> County seat: Ossipee

Source: Kirkikis / iStock Editorial via Getty Images

New Jersey: Cape May County
> Median Age: 50.3 years (state: 40.0 years)
> Population 65 and over: 26.6% (state: 16.2%)
> Total population: 92,701
> Life expectancy: 77.1 years
> County seat: Cape May Court House

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