File:Jefferson_county_courthouse_kansas.jpg · Wikimedia Commons · See Wikimedia Commons
Jefferson County
Sign in to saveAlso known as Jefferson County, Kansas, Jefferson County, KS
county in Kansas, United States
Key facts
- Country
- United States
- State
- Kansas
- Founded
- August 25, 1855
- Named after
- Thomas Jefferson
- Seat
- Oskaloosa
- Largest city
- Oskaloosa
- Total
- 557 sq mi (1,440 km )
- Land
- 533 sq mi (1,380 km )
- Water
- 24 sq mi (62 km ) 4.3%
- Estimate 2025
- 18,296
- Density
- 34.5/sq mi (13.3/km )
- Time zone
- UTC−6 ( Central )
- Summer dst
- UTC−5 ( CDT )
- Congressional district
- 1st
- Website
- jfcountyks.com
via Wikipedia infobox
Wikidata facts
- Named after
- Thomas Jefferson
- Country
- United States
- Located in
- Kansas
- Contains
- Oskaloosa
- Capital
- Oskaloosa
- Population
- 18368
- Area
- 1442
- Time zone
- Central Time Zone
- Shares border with
- Shawnee County
- Official website
- www.jfcountyks.com
- Image
- Jefferson county courthouse kansas.jpg
- Households
- 7619
Show 7 more facts
- Commons category
- Jefferson County, Kansas
- topic's main category
- Category:Jefferson County, Kansas
- inception
- 1855-08-25
- category of associated people
- Category:People from Jefferson County, Kansas
- water as percent of area
- 4.3
- native label
- Jefferson County
- per capita income
- 33441
Sources (10)
via Wikidata · CC0
~8 min read
Encyclopedic overview
Jefferson County is a county located in the U.S. state of Kansas. Its county seat and most populous city is Oskaloosa. As of the 2020 census, the county population was 18,368. The county was named after Thomas Jefferson, the 3rd president of the United States.
History
Excerpted from Wikipedia’s “Jefferson County” article, available under the CC BY-SA 4.0 licence.
Gallery (3)
On the map
13 mapped locations