| County : | Ouachita Parish |
| State : | Louisiana (LA) |
| Land Area : | 610.40 sq mi |
| Water Area : | 21.34 sq mi |
| Latitude : | 32.4774949 |
| Longitude : | -92.1547984 |
| Population (2010): | 153,720 |
| Population Estimate (2012) : | 153,752 |
| Population Density : | 251.83/sq mi |
| Housing Units (2012) : | 64,481 |
| Median Household Income (2012) : | $38,899 (Louisiana : $44,673, USA : $53,046) |
| Median Family Income (2012) : | $51,361 (Louisiana : $56,047, USA : $64,585) |
| Median House Price (2012) : | $119,200 (Louisiana : $137,700, USA : $181,400) |
Ouachita Parish Cities / Towns
| Bawcomville (3,588) | Brownsville (4,317) | Calhoun (679) |
| Claiborne (11,507) | Lakeshore (1,930) | Monroe City (48,815) |
| Richwood Town (3,392) | Sterlington Town (1,594) | Swartz (4,536) |
| West Monroe City (13,065) |
Ouachita Parish Zip Codes
| 71201 (20,319) | 71202 (29,044) | 71203 (37,105) |
| 71209 (154) | 71225 (7,068) | 71227 (3,635) |
| 71229 (1,662) | 71234 (3,992) | 71238 (2,807) |
| 71280 (3,647) | 71291 (32,644) | 71292 (21,541) |
| 71418 (6,295) |