Oldest County in Every State

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Source: tomlinson_chris / Flickr

16. Kansas: Jewell County
> Median age: 51.9 years (county), 36.3 years (state)
> Pop. 65 and older: 28.4% (county), 14.7% (state)
> Population: 2,963
> Life expectancy: 80.0 years
> County seat: Mankato

Source: 144957155@N06 / Flickr

17. Kentucky: Lyon County
> Median age: 49.2 years (county), 38.6 years (state)
> Pop. 65 and older: 24.1% (county), 15.2% (state)
> Population: 8,268
> Life expectancy: 76.6 years
> County seat: Eddyville

Source: kenlund / Flickr

18. Louisiana: Tensas Parish
> Median age: 44.0 years (parish), 36.4 years (state)
> Pop. 65 and older: 21.9% (parish), 14.1% (state)
> Population: 4,771
> Life expectancy: 74.4 years
> Parish seat: Saint Joseph

Source: David Wilson / Flickr

19. Maine: Piscataquis County
> Median age: 50.7 years (county), 44.3 years (state)
> Pop. 65 and older: 24.6% (county), 18.8% (state)
> Population: 16,960
> Life expectancy: 78.0 years
> County seat: Dover-Foxcroft

Source: Joesboy / Getty Images

20. Maryland: Talbot County
> Median age: 49.7 years (county), 38.5 years (state)
> Pop. 65 and older: 26.9% (county), 14.2% (state)
> Population: 37,461
> Life expectancy: 80.5 years
> County seat: Easton