
Frontier
- County:
- Cass County
- County Seat:
- No
- Area (mi²):
- 0.188
- State:
- North Dakota
Frontier is a city located in Cass County, North Dakota. Frontier has a 2025 population of 191. Frontier is currently declining at a rate of -0.52% annually and its population has decreased by -2.55% since the most recent census, which recorded a population of 196 in 2020.
The average household income in Frontier is $150,304 with a poverty rate of 0.63%. The median age in Frontier is 59.2 years: 59.1 years for males, and 59.4 years for females.