Oldest County in Every State

Source: Wikimedia Commons

6. Mineral County, Colorado
> Median age: 60.9
> State median age: 36.3
> Population 65+: 36.6%
> Avg. retirement income: $34,118

Source: Thinkstock

7. Litchfield County, Connecticut
> Median age: 46.0
> State median age: 40.4
> Population 65+: 17.7%
> Avg. retirement income: $25,879

24/7 Wall St.
States With the Highest (and Lowest) Property Taxes

Source: Wikimedia Commons

8. Sussex County, Delaware
> Median age: 47.0
> State median age: 39.3
> Population 65+: 23.3%
> Avg. retirement income: $27,799

Source: Thinkstock

9. Sumter County, Florida
> Median age: 65.3
> State median age: 41.4
> Population 65+: 50.9%
> Avg. retirement income: $31,364

Source: Wikimedia Commons

10. Union County, Georgia
> Median age: 53.3
> State median age: 35.9
> Population 65+: 30.4%
> Avg. retirement income: $25,441