St. Andrews township
- County:
- Walsh County
- County Seat:
- No
- Area (mi²):
- 36.344
- State:
- North Dakota
St. Andrews township is located in Walsh County, North Dakota. St. Andrews township has a 2026 population of 34. St. Andrews township is currently declining at a rate of 0% annually and its population has decreased by -2.86% since the most recent census, which recorded a population of 35 in 2020.
The median household income in St. Andrews township is $250,001 with a poverty rate of 0%. The median age in St. Andrews township is 10.7 years: 42.1 years for males, and 10.6 years for females. For every 100 females there are 90.6 males.