Allen County, Kansas

Tucked away in southeast Kansas, Allen County is home to about 12,500 residents. Iola, the largest town, hosts a popular chili cook-off during the annual Farm-City Days celebration in October.

Neosho River Park in Humboldt is perfect for a relaxing afternoon of fishing or a family picnic. For outdoor enthusiasts, the Lehigh Portland Trails offer miles of scenic biking and walking paths.

If you’re traveling along U.S. Highway 54, consider stopping at Iola’s Old Jail Museum. It offers a quirky glimpse into what life in a local jail was like in the past. Despite its small size, Allen County offers plenty of charm and a few unexpected surprises.

CategoryDetails
County NameAllen County
County SeatIola
Population12,500
Cities, Towns, and CommunitiesIola, Humboldt, Moran, and several smaller communities
Interstates and HighwaysU.S. Highway 54, U.S. Highway 169, Kansas Highway 7
FIPS Code20-001
Total Area (Land and Water)1,268 square miles (land: 1,259 sq mi, water: 9 sq mi)
Adjacent Counties (and Direction)Anderson County (North), Linn County (Northeast), Bourbon County (East), Neosho County (South), Wilson County (Southwest), Woodson County (West), Coffey County (Northwest)
Time ZoneCentral Time Zone (CST)
StateKansas
Coordinates37.93°N, 95.43°W
EtymologyNamed after William Allen, a U.S. Senator from Ohio
Major LandmarksIola Historical Museum, the Allen County Courthouse, and the Marmaton River
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