Quận Ouachita
Also known as Ouachita Parish, Louisiana
parish in Louisiana, United States
Key facts
- Country
- United States
- State
- Louisiana
- Region
- North Louisiana
- Founded
- March 31, 1807
- Named after
- Ouachita people
- Parish seat and largest city
- Monroe
- Total
- 632 sq mi (1,640 km )
- Land
- 610 sq mi (1,600 km )
- Water
- 21 sq mi (54 km )
- Percentage
- 3.4 sq mi (8.8 km )
- Estimate 2025
- 158,542
- Rank
- LA: 8th
- Density
- 260/sq mi (100/km )