|— City —|
|• Mayor||Steve Sweeney|
|• Total||1.8 sq mi (5 km2)|
|• Land||1.8 sq mi (5 km2)|
|• Water||0.0 sq mi (0 km2)|
|Elevation||810 ft (250 m)|
|• Density||1,059.8/sq mi (409.2/km2)|
|Time zone||Eastern (EST) (UTC-5)|
|• Summer (DST)||EDT (UTC-4)|
|GNIS feature ID||0496352|
Liberty is a city in and the county seat of Casey County, Kentucky, United States. It was established in 1806 by several Revolutionary War veterans and named for one of the values of their new country. Its population was 2,168 at the 2010 census.
Liberty is located at (37.321195, -84.930513).
According to the United States Census Bureau, the city has a total area of 1.8 square miles (4.7 km2), all land.
As of the census of 2000, there were 1,850 people, 875 households, and 494 families residing in the city. The population density was 1,059.8 per square mile (409.2 /km2). There were 979 housing units at an average density of 560.8 per square mile (216.5 /km2). The racial makeup of the city was 98.16% White, 0.70% African American, 0.22% Native American, 0.05% Asian, 0.11% from other races, and 0.76% from two or more races. Hispanic or Latino of any race were 0.43% of the population.
There were 875 households out of which 20.6% had children under the age of 18 living with them, 38.2% were married couples living together, 15.5% had a female householder with no husband present, and 43.5% were non-families. 41.1% of all households were made up of individuals and 23.0% had someone living alone who was 65 years of age or older. The average household size was 1.98 and the average family size was 2.65.
In the city the population was spread out with 17.9% of the population under the age of 18, 7.7% from 18 to 24, 22.0% from 25 to 44, 24.4% from 45 to 64, and 28.0% who were 65 years of age or older. The median age was 47 years. For every 100 females there were 76.0 males. For every 100 females age 18 and over, there were 70.9 males.
The median income for a household in the city was $18,525, and the median income for a family was $27,105. Males had a median income of $25,954 versus $18,173 for females. The per capita income for the city was $14,269. About 24.9% of families and 28.3% of the population were below the poverty line, including 37.6% of those under age 18 and 28.7% of those age 65 or over.
Notable natives 
- Tim Butler - a bass player in the band The Psychedelic Furs
- Carl Mays - Major League Baseball player noted as an outstanding submarine pitcher and for an incident involving Ray Chapman.
- William N. Sweeney - US Representative for Kentucky.
- "Kentucky Atlas and Gazetteer: Liberty". University of Kentucky. Retrieved 2009-01-17.
- "Find a County". National Association of Counties. Retrieved 2011-06-07.
- "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
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