County ZIP codes · Alabama · FIPS 01115
St. Clair County, AL ZIP Codes
St. Clair County, Alabama has 19 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 18 residential and 1 for PO boxes or a single organization. 12 of the residential ones lie mainly in St. Clair County and 6 mainly in a neighboring county; 8 cross the county line. Median household income ranges from $43,738 in 35131 (Ragland) to $117,105 in 35173 (Trussville) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of St. Clair County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $59,891 and $83,990.
They carry 17 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 18 residential ZIP codes in St. Clair County
12 ZIP codes lie mainly in St. Clair County; 6 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 35120 | Odenville | 17,730 | 250 | $74k | $222k | 100% |
| 35146 | Springville | 13,973 | 135 | $87k | $268k | 82% |
| 35004 | Moody | 12,155 | 705 | $88k | $233k | 100% |
| 35125 | Pell City | 11,279 | 238 | $60k | $183k | 100% |
| 35128 | Pell City | 10,546 | 151 | $84k | $247k | 98% |
| 35953 | Ashville | 7,083 | 55 | $74k | $202k | 100% |
| 35054 | Cropwell | 4,593 | 203 | $78k | $348k | 100% |
| 35131 | Ragland | 3,363 | 48 | $44k | $97k | 100% |
| 35987 | Steele | 2,861 | 48 | $79k | $182k | 100% |
| 35135 | Riverside | 1,718 | 240 | $69k | $251k | 100% |
| 35052 | Cook Springs | 191 | 572 | – | – | 100% |
| 35112 | Margaret | 120 | 112 | $76k | – | 100% |
Partly in St. Clair County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 35972 | Gallant | 1,291 | 49 | $43k | $99k | 35% |
| 35173 | Trussville | 31,603 | 490 | $117k | $345k | 24% |
| 35178 | Vincent | 3,078 | 53 | $55k | $149k | 21% |
| 35094 | Leeds | 14,854 | 253 | $75k | $235k | 15% |
| 35133 | Remlap | 3,150 | 65 | $50k | $172k | 8% |
| 35121 | Oneonta | 16,170 | 112 | $60k | $180k | 2% |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
8 ZIP codes of St. Clair County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In St. Clair | Elsewhere |
|---|---|---|
| 35173 | 24% | Jefferson County 76% |
| 35121 | 2% | Blount County 97% |
| 35094 | 15% | Jefferson County 52%; Shelby County 32% |
| 35146 | 82% | Blount County 16%; Jefferson County 3% |
| 35128 | 98% | Shelby County 2% |
| 35133 | 8% | Blount County 92% |
| 35178 | 21% | Shelby County 79% |
| 35972 | 35% | Etowah County 65% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 35182 | Wattsville |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do St. Clair County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. St. Clair County's ZIP codes use 3 prefixes: 350, 351 and 359.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 350 | Birmingham, AL (SCF 350) | 4 | 63 |
| 351 | Birmingham, AL (SCF 350) | 12 | 50 |
| 359 | Birmingham, AL (SCF 350) | 3 | 41 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.