Missouri Counties
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Missouri Counties

Missouri has one hundred and fourteen counties and one independent city. St. Louis City is separate from St. Louis County and is referred to as a "city not within a county." Following the Louisiana Purchase and the admittance of Louisiana into the United States in 1812, five counties were formed out of the Missouri Territory at the first general assembly. Most subsequent counties were apportioned from these five original counties.

Harrison County, Missouri

Harrison County Education, Geography, and HistoryHarrison County, Missouri Courthouse

Harrison County is a county located in the northwest portion of the state of Missouri. Based on the 2010 census, the population was 8,957. Its county seat is Bethany. The county was organized February 14, 1845, and named for US Representative Albert G. Harrison of Missouri.

Etymology - Origin of Harrison County Name

Named for Albert G. Harrison, Missouri congressman.


County QuickFacts: CensusBureau Quick Facts

History of Harrison County

Named in honor of Albert G. Harrison of Fulton, Missouri,who was a member of Congress from 1835 to 1839. The county was organized on February 14, 1845. (Campbell, p. 225; HIST. HARRISON, p. 119; SESSION LAWS, 1844-5, p. 32; BOONVILLE WEEKLY ADV., Nov. 10, 1911, p. 2)

Source: Ewing, Martha K. "Place Names In The Northwest Counties Of Missouri." M.A. thesis., University of Missouri-Columbia, 1929.

Geography: Land and Water

As reported by the Census Bureau, the county has a total area of 726 square miles (1,880 km2), of which 723 square miles (1,870 km2) is land and 3.9 square miles (10 km2) (0.5%) is water.

Neighboring Counties

Bordering counties are as follows:

  • Ringgold County, Iowa (north)
  • Decatur County, Iowa (northeast)
  • Mercer County (east)
  • Grundy County (southeast)
  • Daviess County (south)
  • Gentry County (southwest)
  • Worth County (northwest)


Public schools

Cainsville R-I School District - Cainsville
Gilman City R-IV School District - Gilman City
North Harrison County R-III School District - Eagleville
Ridgeway R-V School District - Ridgeway
South Harrison County R-II School District - Bethany

Private schools

Zadie Creek School - Eagleville (02-09) - Amish

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