Spink township
- County:
- Union County
- County Seat:
- No
- Area (mi²):
- 36.281
- State:
- South Dakota
Spink township is located in Union County, South Dakota. Spink township has a 2026 population of 232. Spink township is currently growing at a rate of 2.65% annually and its population has increased by 8.92% since the most recent census, which recorded a population of 213 in 2020.
The median household income in Spink township is $44,801 with a poverty rate of 1.48%. The median age in Spink township is 41.4 years: 37.8 years for males, and 61.1 years for females. For every 100 females there are 126.9 males.