
Arnold township
- County:
- Custer County
- County Seat:
- No
- Area (mi²):
- 137.896
- State:
- Nebraska
Arnold township is located in Custer County, Nebraska. Arnold township has a 2025 population of 771. Arnold township is currently growing at a rate of 0.39% annually and its population has increased by 1.18% since the most recent census, which recorded a population of 762 in 2020.
The average household income in Arnold township is $90,318 with a poverty rate of 4.13%. The median age in Arnold township is 36.6 years: 40.6 years for males, and 31.4 years for females.