
Diamond Lake township
- County:
- Lincoln County
- County Seat:
- No
- Area (mi²):
- 32.165
- State:
- Minnesota
Diamond Lake township is located in Lincoln County, Minnesota. Diamond Lake township has a 2025 population of 210. Diamond Lake township is currently declining at a rate of -0.47% annually and its population has decreased by -1.87% since the most recent census, which recorded a population of 214 in 2020.
The average household income in Diamond Lake township is $112,721 with a poverty rate of 1.8%. The median age in Diamond Lake township is 41.3 years: 46 years for males, and 40.4 years for females.