Sumner County, 22,312 people
Census Bureau estimate, July 1, 2025. Courthouse: Wellington.
All 105 Kansas counties- Area, land and water
- 3,069 km²
- Map parcels
- 13
- Organizations published
- 0
Parcels of about 250 km², clipped to the county line
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Organizations pin work to up to 12 parcels.
The Sumner County seat is open
KFAF staff invite a president, who invites members and approves their pages.
To request this seat, choose “Request a county seat” in the contact form.
Open the contact formNo organizations published in Sumner County yet
Pages appear here once the county president approves them.