
Eureka township
- County:
- Greenwood County
- County Seat:
- No
- Area (mi²):
- 36.255
- State:
- Kansas
Eureka township is located in Greenwood County, Kansas. Eureka township has a 2025 population of 611. Eureka township is currently declining at a rate of -0.33% annually and its population has decreased by -3.02% since the most recent census, which recorded a population of 630 in 2020.
The average household income in Eureka township is $74,111 with a poverty rate of 8.98%. The median age in Eureka township is 52.1 years: 51.1 years for males, and 52.4 years for females.