Allen County, Kansas

Allen County
Old Allen County Jail in Iola (2008)
Map of Kansas highlighting Allen County
Location within the U.S. state of Kansas
Map of the United States highlighting Kansas
Kansas's location within the U.S.
Coordinates: 37°53′N 95°17′W / 37.883°N 95.283°W / 37.883; -95.283
Country United States
State Kansas
FoundedAugust 25, 1855
Named forWilliam Allen
SeatIola
Largest cityIola
Area
 • Total505 sq mi (1,310 km2)
 • Land500 sq mi (1,000 km2)
 • Water5.0 sq mi (13 km2)  1.0%
Population
 • Total12,526
 • Density25.1/sq mi (9.7/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Area code620
Congressional district2nd
WebsiteAllenCounty.org

Allen County is a county located in the southeast portion of the U.S. state of Kansas. Its county seat and most populous city is Iola.[2] As of the 2020 census, the population was 12,526.[1] The county was named for William Allen, a U.S. Senator from Ohio and prominent supporter of westward expansion.

  1. ^ a b "QuickFacts; Allen County, Kansas; Population, Census, 2020 & 2010". United States Census Bureau. Archived from the original on August 15, 2021. Retrieved August 14, 2021.
  2. ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.