Robertson County Courthouse in Mount Olivet
Location within the U.S. state of Kentucky
Kentucky's location within the U.S.
|Largest city||Mount Olivet|
|o Total||100 sq mi (300 km2)|
|o Land||100 sq mi (300 km2)|
|o Water||0.2 sq mi (0.5 km2) 0.2%|
| o Estimate |
|o Density||23/sq mi (8.8/km2)|
|Time zone||UTC-5 (Eastern)|
|o Summer (DST)||UTC-4 (EDT)|
Robertson County is a county located in the U.S. Commonwealth of Kentucky. As of the 2010 census, the population was 2,282. Its county seat is Mount Olivet, Kentucky. The county is named for George Robertson, a Kentucky Congressman from 1817 to 1821. It is Kentucky's smallest county by total area and the least populous.
Robertson County was formed on February 11, 1867 from portions of Bracken County, Harrison County, Mason County and Nicholas County. It was named after George Robertson, a judge and member of Congress.
According to the U.S. Census Bureau, the county has a total area of 100 square miles (260 km2), of which 100 square miles (260 km2) is land and 0.2 square miles (0.52 km2) (0.2%) is water. It is the smallest county by area in Kentucky.
As of the census of 2000, there were 2,266 people, 866 households, and 621 families residing in the county, making it the least populated county in the state. The population density was 23 per square mile (8.9/km2). There were 1,034 housing units at an average density of 10 per square mile (3.9/km2). The racial makeup of the county was 98.63% White, 0.04% Black or African American, 0.04% Native American, 0.22% from other races, and 1.06% from two or more races. 0.93% of the population were Hispanic or Latino of any race.
There were 866 households out of which 31.10% had children under the age of 18 living with them, 57.60% were married couples living together, 9.10% had a female householder with no husband present, and 28.20% were non-families. 24.70% of all households were made up of individuals and 11.10% had someone living alone who was 65 years of age or older. The average household size was 2.54 and the average family size was 3.00.
In the county, the population was spread out with 23.80% under the age of 18, 6.70% from 18 to 24, 27.10% from 25 to 44, 25.50% from 45 to 64, and 16.90% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 94.80 males. For every 100 females age 18 and over, there were 92.50 males.
The median income for a household in the county was $30,581, and the median income for a family was $35,521. Males had a median income of $27,656 versus $20,476 for females. The per capita income for the county was $13,404. About 17.50% of families and 22.20% of the population were below the poverty line, including 30.30% of those under age 18 and 24.10% of those age 65 or over.