Johnson County

Johnson County is an administrative region in eastern Kansas with its seat in Olathe. The area features flat prairie terrain interrupted by several waterways, including Kill Creek and Turkey Creek, with scattered wooded sections along the streams.

The region was named after Methodist preacher Thomas Johnson in 1855 and became a site of confrontations between anti-slavery and pro-slavery groups. These tensions shaped the early settlement years and reflected the national conflicts that led to the Civil War.

The county contains numerous educational institutions across eight school districts, offering diverse programs and resources for students of all ages.

Public services can be accessed through an online mapping system that shows administrative boundaries and geographic information. Offices in Olathe provide various administrative services for residents, available both in person and digitally.

The administrative system allows residents to trace voting precinct boundaries and geographic features digitally. This transparency helps with orientation during local elections and regional matters.

Location: Kansas

Inception: 1855

Capital city: Olathe

Reference: JO

Shares border with: Wyandotte County, Miami County, Jackson County, Cass County, Leavenworth County, Franklin County, Douglas County

Website: http://jocogov.org

GPS coordinates: 38.86670,-94.86670

Latest update: December 11, 2025 22:57