Platte County is a county located in the northwestern portion of the U.S. state of Missouri and is part of the Kansas City metropolitan area. As of the 2020 census, the population was 106,718. Its county seat is Platte City. The county was organized December 31, 1838, from the Platte Purchase, named for the Platte River. (Platte is derived from the French word for a low, shallow, or intermittent stream.) The Kansas City International Airport is located in the county, approximately one mile west of Interstate 29 between mile markers 12 and 15. The land for the airport was originally in an unincorporated portion of Platte County before being annexed by Platte City, and eventually Kansas City.
| Name: | Platte County |
|---|---|
| FIPS code: | 29-165 |
| State: | Missouri |
| Founded: | December 31, 1838 |
| Named for: | Platte River or Platte Purchase |
| Seat: | Platte City |
| Largest city: | Kansas City |
| Total Area: | 427 sq mi (1,110 km²) |
| Land Area: | 420 sq mi (1,100 km²) |
| Total Population: | 106,718 |
| Population Density: | 250/sq mi (96/km²) |
| Time zone: | UTC−6 (Central) |
| Summer Time Zone (DST): | UTC−5 (CDT) |
| Website: | www.co.platte.mo.us |
Platte County location map. Where is Platte County?
Platte County Road Map
Geography
According to the U.S. Census Bureau, the county has a total area of 427 square miles (1,110 km), of which 420 square miles (1,100 km) is land and 6.6 square miles (17 km) (1.5%) is water. The county’s southwestern border with Kansas is formed by the Missouri River.
Adjacent counties
- Buchanan County (north)
- Clinton County (northeast)
- Clay County (east)
- Wyandotte County, Kansas (south)
- Leavenworth County, Kansas (southwest)
- Atchison County, Kansas (northwest)
Major highways
- Interstate 29
- Interstate 435
- Interstate 635
- U.S. Route 71
- Route 9
- Route 45
- Route 92
- Route 152
- Route 273
- Route 371
Platte County Topographic Map
Platte County Satellite Map
Platte County Outline Map
