Linn County, Missouri

Linn County
The Linn County Courthouse in Linneus
Location within the U.S. state of Missouri
Missouri's location within the U.S.
Coordinates: 39°52′N 93°07′W / 39.87°N 93.11°W / 39.87; -93.11
Country United States
State Missouri
FoundedJanuary 1, 1837
Named afterLewis F. Linn
SeatLinneus
Largest cityBrookfield
Area
  Total
621 sq mi (1,610 km2)
  Land616 sq mi (1,600 km2)
  Water5.8 sq mi (15 km2)  0.9%
Population
 (2020)
  Total
11,874
  Density19/sq mi (7.4/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district6th

Linn County is a county located in the northern portion of the U.S. state of Missouri. As of the 2020 census, the population was 11,874. Its county seat is Linneus. The county was organized January 1, 1837, and named after U.S. Senator Lewis F. Linn of Missouri.