
Guelph township
- County:
- Sumner County
- County Seat:
- No
- Area (mi²):
- 54.608
- State:
- Kansas
Guelph township is located in Sumner County, Kansas. Guelph township has a 2025 population of 142. Guelph township is currently declining at a rate of -0.7% annually and its population has decreased by -1.39% since the most recent census, which recorded a population of 144 in 2020.
The average household income in Guelph township is $60,650 with a poverty rate of 0.58%. The median age in Guelph township is 33.5 years: 37.1 years for males, and 33.4 years for females.