Preble County is a county located in the state of Ohio, United States. As of 2000, the population was 42,337. Its county seat is Eaton

Geography

Darke County (north)
Montgomery County (east)
Butler County (south)
Union County, Indiana (southwest)
Wayne County, Indiana (northwest) Rivers and streams
2000 42,337 1990 40,113 1980 38,223 1970 34,719 1960 32,498 1950 27,081 1940 23,329 1930 22,455 1920 23,238 1910 23,834 1900 23,713 1890 23,421 1880 24,533 1870 21,809 1860 21,820 1850 21,736 1840 19,482 1830 16,291 1820 10,237 1810 3,304 As of the census² of 2000, there were 42,337 people, 16,001 households, and 12,144 families residing in the county. The population density was 100 people per square mile (38/km²). There were 17,186 housing units at an average density of 40 per square mile (16/km²). The racial makeup of the county was 98.47% White, 0.32% Black or African American, 0.21% Native American, 0.26% Asian, 0.02% Pacific Islander, 0.11% from other races, and 0.60% from two or more races. 0.43% of the population were Hispanic or Latino of any race.
There were 16,001 households out of which 34.20% had children under the age of 18 living with them, 63.50% were married couples living together, 8.50% had a female householder with no husband present, and 24.10% were non-families. 20.60% of all households were made up of individuals and 8.90% had someone living alone who was 65 years of age or older. The average household size was 2.62 and the average family size was 3.02.
In the county, the population was spread out with 26.00% under the age of 18, 7.70% from 18 to 24, 28.70% from 25 to 44, 24.40% from 45 to 64, and 13.20% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 99.30 males. For every 100 females age 18 and over, there were 95.70 males.
The median income for a household in the county was $42,093, and the median income for a family was $47,547. Males had a median income of $35,313 versus $23,573 for females. The per capita income for the county was $18,444. About 4.50% of families and 6.10% of the population were below the poverty line, including 7.00% of those under age 18 and 6.10% of those age 65 or over.

Demographics
Main article: Ohio county government

Government

Localities

College Corner
Camden
Eaton
Eldorado
Gratis
Lewisburg
New Paris
Verona
West Alexandria
West Elkton
West Manchester Municipalities

Dixon
Gasper
Gratis
Harrison
Israel
Jackson
Jefferson
Lanier
Monroe
Somers
Twin
Washington Townships

Fairhaven Other locality

Andrew L. Harris (1835-1915), Civil War General and Governor of Ohio
William Stephens (1859-1944) Governor of California was born here
Kent Vosler, Olympic Diver (1976, 4th place) Education

College Corner Local School District
Eaton Community Schools

• Eaton High School, Eaton (the Eagles)
  National Trail Local School District
  
  
  
  • National Trail High School, New Paris (the Blazers)
    Preble Shawnee Local School District
    
    
    
    • Preble Shawnee High School, Camden (the Arrows)
      Tri-County North Local School District
      
      
      
      • Tri-County North High School, Lewisburg (the Panthers)
        Twin Valley Community Local School District
        
        
        
        • Twin Valley South High School, West Alexandria (the Panthers)