Jefferson County Map
The County of Jefferson is located in the State of Kansas. Find directions to Jefferson County, browse local businesses, landmarks, get current traffic estimates, road conditions, and more. According to the 2020 US Census the Jefferson County population is estimated at 19,032 people. The Jefferson County time zone is Central Daylight Time which is 6 hours behind Coordinated Universal Time (UTC).
Nearby counties include Atchison County, Douglas County, Jackson County, Leavenworth County, Shawnee County.
Top cities include Nortonville, Meriden, Ozawkie, Perry, Oskaloosa