Nemaha County, Kansas

Nemaha County
Jail and sheriff residence in Seneca (2015)
Map of Kansas highlighting Nemaha County
Location within the U.S. state of Kansas
Map of the United States highlighting Kansas
Kansas's location within the U.S.
Coordinates: 39°48′N 96°01′W / 39.800°N 96.017°W / 39.800; -96.017
Country United States
State Kansas
FoundedAugust 25, 1855
Named forNemaha River
SeatSeneca
Largest citySabetha
Area
 • Total719 sq mi (1,860 km2)
 • Land717 sq mi (1,860 km2)
 • Water2.0 sq mi (5 km2)  0.3%
Population
 • Total10,273
 • Estimate 
(2023)[2]
10,114 Decrease
 • Density14.3/sq mi (5.5/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Area code785
Congressional district2nd
Websitenmcoks.us

Nemaha County is a county located in the northeastern part of the U.S. state of Kansas. Its county seat is Seneca.[3] As of the 2020 census, the county population was 10,273.[1] The county was named for the Nemaha River.

  1. ^ a b "QuickFacts; Nemaha County, Kansas; Population, Census, 2020 & 2010". United States Census Bureau. Archived from the original on August 18, 2021. Retrieved August 18, 2021.
  2. ^ "Annual Estimates of the Resident Population for Counties: April 1, 2020 to July 1, 2023". United States Census Bureau. Retrieved March 24, 2024.
  3. ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.