| County : | Rockwall County |
| State : | Texas (TX) |
| Land Area : | 127.03 sq mi |
| Water Area : | 21.68 sq mi |
| Latitude : | 32.8892161 |
| Longitude : | -96.4075009 |
| Population (2010): | 78,337 |
| Population Estimate (2012) : | 78,749 |
| Population Density : | 616.66/sq mi |
| Housing Units (2012) : | 27,939 |
| Median Household Income (2012) : | $82,725 (Texas : $51,563, USA : $53,046) |
| Median Family Income (2012) : | $89,780 (Texas : $60,621, USA : $64,585) |
| Median House Price (2012) : | $194,000 (Texas : $128,000, USA : $181,400) |
Rockwall County Cities / Towns
| Dallas City (1,197,816) | Fate City (6,357) | Garland City (226,876) |
| Heath City (6,921) | Mclendon-chisholm City (1,373) | Mobile City (188) |
| Rockwall City (37,490) | Rowlett City (56,199) | Royse City (9,349) |
| Wylie City (41,427) |
Rockwall County Zip Codes
| 75032 (27,986) | 75087 (28,145) | 75088 (24,712) |
| 75089 (30,251) | 75098 (48,197) | 75132 (294) |
| 75160 (23,627) | 75189 (22,406) |