| City : | Plum Grove City |
| County : | Liberty County, Polk County |
| State : | Texas (TX) |
| Land Area : | 3.75 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 30.2007406 |
| Longitude : | -95.0958023 |
| Population (2010): | 600 |
| Population Estimate (2012) : | 680 |
| Population Density : | 159.97/sq mi |
| Housing Units (2012) : | 231 |
| Median Household Income (2012) : | $41,875 (Texas : $51,563, USA : $53,046) |
| Median Family Income (2012) : | $54,688 (Texas : $60,621, USA : $64,585) |
| Median House Price (2012) : | $80,000 (Texas : $128,000, USA : $181,400) |