The Johnson County Map provides a clear overview of one of Kansas’s most populous counties, highlighting major cities, transportation networks, and geographic features. Key communities such as Olathe, Overland Park, Lenexa, Shawnee, Leawood, Merriam, and Gardner are prominently marked. The map also displays Interstate 35, Interstate 435, U.S. highways, rivers, and neighboring counties, making it useful for navigation and regional planning. Johnson County Executive Airport and important local landmarks are included for added reference. Ideal for students, travelers, researchers, and residents, this map offers valuable insight into the county’s layout, connectivity, and administrative boundaries.
| Fact | Details |
|---|---|
| Official Name | Johnson County |
| State | Kansas |
| Country | United States |
| Founded | August 25, 1855 |
| Incorporated | Organized in 1855 |
| Population | 609,863 (2020 Census) |
| County | Olathe |
| Area | 480 sq mi (1,243 sq km) approximately |
| Time Zone | Central Time Zone (CST/CDT) |
| ZIP Codes | 66018, 66021, 66030, 66031, 66051, 66061, 66062, 66063, 66083, 66085, 66201–66227 and others |
| Area Code | 913 |
| Known For | Kansas City suburbs, strong economy, excellent schools, corporate headquarters, and high quality of life |
| Major Airport | Johnson County Executive Airport (OJC), Olathe |
| Climate | Humid Continental; hot summers and cold winters |
| Nickname | JoCo |
| Major Highways | Interstate 35, Interstate 435, US Highway 69, K-10, K-7 |
| Nearby Border | Missouri (east), Leavenworth County (north), Douglas County (west), Miami County (south) |
| Major Attractions | Overland Park Arboretum & Botanical Gardens, Deanna Rose Children's Farmstead, Museum at Prairiefire, Shawnee Mission Park, LEGOLAND Discovery Center, Johnson County Arts & Heritage Center |