Eureka township
- County:
- Greenwood County
- County Seat:
- No
- Area (mi²):
- 36.599
- State:
- Kansas
Eureka township is located in Greenwood County, Kansas. Eureka township has a 2026 population of 34. Eureka township is currently declining at a rate of -2.86% annually and its population has decreased by 0% since the most recent census, which recorded a population of 34 in 2020.
The median household income in Eureka township is $38,831 with a poverty rate of 0%. The median age in Eureka township is 67.4 years: 67.5 years for males, and 15.8 years for females. For every 100 females there are 471.4 males.