
Monroe
- County:
- Ouachita Parish
- County Seat:
- No
- Area (mi²):
- 29.732
- State:
- Louisiana
Monroe is a city located in Ouachita Parish, Louisiana. Monroe has a 2025 population of 45,954. Monroe is currently declining at a rate of -0.72% annually and its population has decreased by -3.48% since the most recent census, which recorded a population of 47,609 in 2020.
The average household income in Monroe is $66,123 with a poverty rate of 38.88%. The median age in Monroe is 34.7 years: 33.2 years for males, and 36.5 years for females.