County ZIP codes · Alabama · FIPS 01091
Marengo County, AL ZIP Codes
Marengo County, Alabama has 17 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 16 residential and 1 for PO boxes or a single organization. 10 of the residential ones lie mainly in Marengo County and 6 mainly in a neighboring county; 9 cross the county line. Median household income ranges from $33,375 in 36786 (Uniontown) to $48,434 in 36784 (Thomasville) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Marengo 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 $33,375 and $42,216.
They carry 16 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 16 residential ZIP codes in Marengo County
10 ZIP codes lie mainly in Marengo County; 6 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 36732 | Demopolis | 8,387 | 61 | $42k | $167k | 100% |
| 36742 | Gallion | 2,656 | 23 | $31k | $142k | 72% |
| 36748 | Linden | 2,522 | 18 | $43k | $94k | 100% |
| 36782 | Sweet Water | 1,850 | 9 | $51k | $66k | 100% |
| 36736 | Dixons Mills | 1,559 | 46 | $56k | $109k | 100% |
| 36738 | Faunsdale | 747 | 10 | $35k | – | 73% |
| 36783 | Thomaston | 671 | 6 | $48k | $83k | 94% |
| 36754 | Magnolia | 287 | 8 | $40k | – | 100% |
| 36763 | Myrtlewood | 116 | 4 | $89k | – | 100% |
| 36764 | Nanafalia | no residents | 0 | – | – | 100% |
Partly in Marengo County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 36784 | Thomasville | 5,835 | 22 | $48k | $111k | 26% |
| 36728 | Catherine | 998 | 9 | $18k | – | 25% |
| 36786 | Uniontown | 2,216 | 16 | $33k | $71k | 19% |
| 36769 | Pine Hill | 2,071 | 14 | $37k | $74k | 13% |
| 36773 | Safford | 427 | 6 | $40k | $217k | 11% |
| 36722 | Arlington | 89 | 3 | $95k | $33k | 7% |
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?
9 ZIP codes of Marengo County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Marengo | Elsewhere |
|---|---|---|
| 36784 | 26% | Clarke County 72%; Wilcox County 2% |
| 36742 | 72% | Hale County 28% |
| 36786 | 19% | Perry County 77%; Hale County 4% |
| 36769 | 13% | Wilcox County 87% |
| 36728 | 25% | Wilcox County 75% |
| 36738 | 73% | Hale County 27% |
| 36783 | 94% | Wilcox County 6% |
| 36773 | 11% | Dallas County 89% |
| 36722 | 7% | Wilcox County 93% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 36745 | Jefferson |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Marengo County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Marengo County starts with 367.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 367 | Montgomery, AL (SCF 360) | 17 | 46 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.