| County : | St. Clair County |
| State : | Alabama (AL) |
| Land Area : | 631.90 sq mi |
| Water Area : | 21.74 sq mi |
| Latitude : | 33.7129627 |
| Longitude : | -86.3156631 |
| Population (2010): | 83,593 |
| Population Estimate (2012) : | 83,530 |
| Population Density : | 132.29/sq mi |
| Housing Units (2012) : | 35,541 |
| Median Household Income (2012) : | $49,652 (Alabama : $43,160, USA : $53,046) |
| Median Family Income (2012) : | $56,025 (Alabama : $54,326, USA : $64,585) |
| Median House Price (2012) : | $132,600 (Alabama : $122,300, USA : $181,400) |
St. Clair County Cities / Towns
| Argo Town (4,071) | Ashville City (2,212) | Leeds City (11,773) |
| Margaret Town (4,428) | Moody City (11,726) | Odenville Town (3,585) |
| Pell City (12,695) | Ragland Town (1,639) | Riverside Town (2,208) |
| Springville City (4,080) | Steele Town (1,043) | Trussville City (19,933) |
St. Clair County Zip Codes
| 35004 (10,427) | 35052 (277) | 35054 (4,101) |
| 35094 (14,212) | 35112 (801) | 35120 (13,842) |
| 35121 (15,570) | 35125 (10,456) | 35128 (10,197) |
| 35131 (4,159) | 35133 (3,907) | 35135 (1,812) |
| 35146 (10,948) | 35173 (25,176) | 35178 (3,378) |
| 35953 (7,319) | 35972 (1,139) | 35987 (2,666) |