'Jefferson County, KS' definitions:
Jefferson -- U.S. County in Kansas
From: Gazetteer 2000
Name :
Jefferson -- U.S. County in Kansas
Population (2000) :
18426
Housing Units (2000) :
7491
Land area (2000) :
536.112380 sq. miles (1388.524630 sq. km)
Water area (2000) :
20.831478 sq. miles (53.953277 sq. km)
Total area (2000) :
556.943858 sq. miles (1442.477907 sq. km)
Located within :
Kansas (KS), FIPS 20
Location :
39.234439 N, 95.391016 W