DeKalb County is a county located in the northwest portion of the U.S. state of Missouri. As of the 2020 census, the population was 11,029. Its county seat is Maysville. The county was organized February 25, 1845 and named for General Johann de Kalb, Baron de Kalb, of the Revolutionary War. DeKalb County is part of the St. Joseph, MO-KS Metropolitan Statistical Area, which is also included in the Kansas City-Overland Park-Kansas City, MO-KS Combined Statistical Area.
Geography
According to the U.S. Census Bureau, the county has a total area of , of which is land and (1.0%) is water.
Adjacent counties
- Gentry County (north)
- Daviess County (east)
- Caldwell County (southeast)
- Clinton County (south)
- Buchanan County (southwest)
- Andrew County (west)
Major highways
Source:
- frameless|20x20px Interstate 35
- frameless|20x20px U.S. Route 36
- frameless|20x20px U.S. Route 69
- frameless|20x20px U.S. Route 169
- frameless|20x20px Route 6
- frameless|20x20px Route 31
- frameless|20x20px Route 33
- frameless|20x20px Route 110 (Chicago–Kansas City Expressway)
Transit
- Jefferson Lines