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 2026 population of 196. Frontier is currently declining at a rate of -0.51% annually and its population has decreased by -1.01% since the most recent census, which recorded a population of 198 in 2020.
The median household income in Frontier is $122,500 with a poverty rate of 2.96%. The median age in Frontier is 63.8 years: 62.5 years for males, and 64.2 years for females. For every 100 females there are 103.6 males.