Buchanan County
Sign in to savecounty in Missouri, United States
Key facts
- Country
- United States
- State
- Missouri
- Founded
- December 31, 1838
- Named after
- James Buchanan
- Seat
- St. Joseph
- Largest city
- St. Joseph
- Total
- 415 sq mi (1,070 km )
- Land
- 408 sq mi (1,060 km )
- Water
- 6.6 sq mi (17 km ) 1.6%
- Estimate 2025
- 83,540
- Density
- 200/sq mi (77/km )
- Time zone
- UTC−6 ( Central )
- Summer dst
- UTC−5 ( CDT )
- Congressional district
- 6th
- Website
- www .co .buchanan .mo .us
via Wikipedia infobox
Article
Buchanan County is located in the U.S. state of Missouri. As of the 2020 United States census, the population was 84,793. Its county seat is St. Joseph. When originally formed in 1838, the county was named Roberts County, after settler Hiram Roberts. It was renamed in 1839 for James Buchanan, then a U.S. Senator and later President of the United States. The county was formed from land annexed to Missouri, as were five other counties. Buchanan County is included in the Kansas City CSA.
Geography