Franklin County (county code FR) is a county located in the eastern portion of the U.S. state of Kansas. As of the 2010 census, the county population was 25,992. Its county seat and most populous city is Ottawa. The county is predominantly rural and is part of the Kansas City-Overland Park-Kansas City MO-KS Combined statistical area. Formerly it was a part of the Kansas City metropolitan area, but was removed in 2013.
According to the U.S. Census Bureau, the county has a total area of 577 square miles (1,490 km), of which 572 square miles (1,480 km) is land and 5.4 square miles (14 km) (0.9%) is water.
Franklin County comprises the Ottawa, KS Micropolitan Statistical Area, which is included in the Kansas City-Overland Park-Kansas City, MO-KS Combined Statistical Area.
As of the U.S. Census in 2000, there were 24,784 people, 9,452 households, and 6,720 families residing in the county. The population density was 43 people per square mile (17/km²). There were 10,229 housing units at an average density of 18 per square mile (7/km²). The racial makeup of the county was 95.05% White, 1.21% Black or African American, 0.94% Native American, 0.31% Asian, 0.78% from other races, and 1.71% from two or more races. Hispanic or Latino of any race were 2.62% of the population.
There were 9,452 households out of which 34.70% had children under the age of 18 living with them, 58.10% were married couples living together, 8.90% had a female householder with no husband present, and 28.90% were non-families. 24.80% of all households were made up of individuals and 11.30% had someone living alone who was 65 years of age or older. The average household size was 2.56 and the average family size was 3.04.
In the county, the population was spread out with 27.50% under the age of 18, 8.90% from 18 to 24, 28.30% from 25 to 44, 21.20% from 45 to 64, and 14.00% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 98.30 males. For every 100 females age 18 and over, there were 94.10 males.
The median income for a household in the county was $39,052, and the median income for a family was $45,197. Males had a median income of $31,223 versus $22,992 for females. The per capita income for the county was $17,311. About 5.60% of families and 7.70% of the population were below the poverty line, including 8.40% of those under age 18 and 7.30% of those age 65 or over.
Franklin County Kansas neighborhoods include: Eisenhower / W 13th, Hawthorne District, North Side Ottawa, South Ottawa, Willow Heights