The Oldest County in Every State

Source: Norm Lane / iStock via Getty Images

New Mexico: Catron County
> Median Age: 59.4 years (state: 38.1 years)
> Population 65 and over: 41.6% (state: 17.4%)
> Total population: 3,547
> Life expectancy: 81.7 years
> County seat: Reserve

Source: Doug Kerr / Wikimedia Commons

New York: Hamilton County
> Median Age: 55.5 years (state: 39.0 years)
> Population 65 and over: 30.8% (state: 16.5%)
> Total population: 4,454
> Life expectancy: 78.9 years
> County seat: Lake Pleasant

Source: paulync / Getty Images

North Carolina: Brunswick County
> Median Age: 54.7 years (state: 38.9 years)
> Population 65 and over: 31.5% (state: 16.3%)
> Total population: 137,303
> Life expectancy: 78.9 years
> County seat: Bolivia

Source: Public Domain / Wikimedia Commons

North Dakota: Griggs County
> Median Age: 54.4 years (state: 35.2 years)
> Population 65 and over: 32.0% (state: 15.3%)
> Total population: 2,314
> Life expectancy: 79.5 years
> County seat: Cooperstown

Source: Tim Kiser / Wikimedia Commons

Ohio: Noble County
> Median Age: 51.2 years (state: 39.5 years)
> Population 65 and over: 27.4% (state: 17.0%)
> Total population: 14,410
> Life expectancy: 81.8 years
> County seat: Caldwell

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