
Republic
- County:
- Marquette County
- County Seat:
- No
- Area (mi²):
- 3.618
- State:
- Michigan
Republic is a CDP located in Marquette County, Michigan. Republic has a 2025 population of 523. Republic is currently declining at a rate of -0.57% annually and its population has decreased by -2.97% since the most recent census, which recorded a population of 539 in 2020.
The average household income in Republic is $54,685 with a poverty rate of 22.45%. The median age in Republic is 55.8 years: 58.2 years for males, and 54.2 years for females.