
Harlem
- County:
- Blaine County
- County Seat:
- No
- Area (mi²):
- 0.418
- State:
- Montana
Harlem is a city located in Blaine County, Montana. Harlem has a 2025 population of 747. Harlem is currently declining at a rate of -0.53% annually and its population has decreased by -2.86% since the most recent census, which recorded a population of 769 in 2020.
The average household income in Harlem is $83,543 with a poverty rate of 9.9%. The median age in Harlem is 40.2 years: 39.3 years for males, and 40.7 years for females.