County ZIP codes · Texas · FIPS 48291
Liberty County, TX ZIP Codes
Liberty County, Texas has 14 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 10 of the residential ones lie mainly in Liberty County and 4 mainly in a neighboring county; 8 cross the county line. Median household income ranges from $62,219 in 77327 (Cleveland) to $84,497 in 77535 (Dayton) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Liberty 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 $62,428 and $76,050.
They carry 13 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 14 residential ZIP codes in Liberty County
10 ZIP codes lie mainly in Liberty County; 4 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 77327 | Cleveland | 42,685 | 126 | $62k | $163k | 100% |
| 77535 | Dayton | 39,504 | 128 | $85k | $225k | 97% |
| 77575 | Liberty | 16,613 | 70 | $57k | $186k | 97% |
| 77564 | Hull | 1,806 | 30 | $56k | $154k | 76% |
| 77533 | Daisetta | 1,016 | 40 | $66k | $119k | 100% |
| 77538 | Devers | 917 | 7 | $79k | $146k | 100% |
| 77369 | Rye | 738 | 30 | $46k | $79k | 97% |
| 77582 | Raywood | 135 | 8 | – | – | 100% |
| 77561 | Hardin | 36 | 96 | – | – | 100% |
| 77368 | Romayor | no residents | 0 | – | – | 100% |
Partly in Liberty County
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 Liberty County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Liberty | Elsewhere |
|---|---|---|
| 77535 | 97% | Chambers County 3% |
| 77357 | 8% | Montgomery County 82%; Harris County 10% |
| 77328 | 8% | San Jacinto County 70%; Montgomery County 22% |
| 77575 | 97% | Chambers County 3% |
| 77372 | 13% | Montgomery County 87% |
| 77564 | 76% | Hardin County 24% |
| 77369 | 97% | Hardin County 3% |
| 77629 | 27% | Jefferson County 73% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do Liberty County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Liberty County's ZIP codes use 3 prefixes: 773, 775 and 776.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 773 | North Houston, TX (SCF 773) | 6 | 73 |
| 775 | North Houston, TX (SCF 773) | 7 | 71 |
| 776 | Beaumont, TX (SCF 776) | 1 | 36 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.