Oldest County in Every State

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Source: Rudi Weikard / Wikimedia Commons

1. Alabama: Cherokee County
> Median age: 46.1 years (county), 38.7 years (state)
> Pop. 65 and older: 21.0% (county), 15.7% (state)
> Population: 25,855
> Life expectancy: 75.1 years
> County seat: Centre

Source: brewbooks / Flickr

2. Alaska: Wrangell City and Borough
> Median age: 49.1 years (borough), 33.9 years (state)
> Pop. 65 and older: 22.4% (borough), 10.1% (state)
> Population: 2,475
> Life expectancy: 78.2 years
> Borough seat: Wrangell

Source: lovz2hike / Flickr

3. Arizona: La Paz County
> Median age: 56.0 years (county), 37.2 years (state)
> Pop. 65 and older: 37.3% (county), 16.2% (state)
> Population: 20,477
> Life expectancy: 80.7 years
> County seat: Parker

Source: Archedamian / Wikimedia Commons

4. Arkansas: Baxter County
> Median age: 51.8 years (county), 37.9 years (state)
> Pop. 65 and older: 30.5% (county), 16% (state)
> Population: 41,093
> Life expectancy: 76.9 years
> County seat: Mountain Home

Source: Famartin / Wikimedia Commons

5. California: Sierra County
> Median age: 55.0 years (county), 36.1 years (state)
> Pop. 65 and older: 26.4% (county), 13.2% (state)
> Population: 2,885
> Life expectancy: 79.0 years
> County seat: Downieville