Jefferson County

McLouth
Meriden
Nortonville
Oskaloosa
Ozawkie
Perry
Valley Falls
Winchester
HASC code :US-KS-JF
FIPS 6-4 code :20087
Capital :Oskaloosa
Largest city :Valley Falls
Elevation :High : Winchester 1,190 ft
Low : Perry 850 ft
Population :18,426
Land Area :536 sq mi
(1,388 km²)
Density :34.38/sq mi
(13.27/km²)
Time zone :UTC -6
Website :http://www.jfcountyks.com