county in Missouri, United States From Wikipedia, the free encyclopedia
Buchanan County is a county located in the U.S. state of Missouri. As of the 2020 United States Census, the population was 84,793.[1] Its county seat is St. Joseph.[2] It is named for James Buchanan, 15th President of the United States.
Buchanan County | |
---|---|
Coordinates: 39°40′N 94°49′W | |
Country | United States |
State | Missouri |
Founded | December 31, 1838 |
Named for | James Buchanan |
Seat | St. Joseph |
Largest city | St. Joseph |
Area | |
• Total | 415 sq mi (1,070 km2) |
• Land | 408 sq mi (1,060 km2) |
• Water | 6.6 sq mi (17 km2) 1.6% |
Population | |
• Total | 84,793 |
• Density | 200/sq mi (79/km2) |
Time zone | UTC−6 (Central) |
• Summer (DST) | UTC−5 (CDT) |
Website | www |
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