County ZIP codes · Texas · FIPS 48039
Brazoria County, TX ZIP Codes
Brazoria County, Texas has 25 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 20 residential and 5 for PO boxes or a single organization. 16 of the residential ones lie mainly in Brazoria County and 4 mainly in a neighboring county; 10 cross the county line. Median household income ranges from $66,507 in 77541 (Freeport) to $134,016 in 77578 (Manvel) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Brazoria 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 $74,939 and $111,139.
They carry 18 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 20 residential ZIP codes in Brazoria County
16 ZIP codes lie mainly in Brazoria County; 4 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 77584 | Pearland | 91,065 | 2,846 | $122k | $365k | 96% |
| 77583 | Rosharon | 52,747 | 303 | $119k | $338k | 92% |
| 77511 | Alvin | 51,892 | 346 | $75k | $236k | 87% |
| 77581 | Pearland | 51,332 | 2,085 | $111k | $338k | 94% |
| 77515 | Angleton | 34,088 | 167 | $89k | $226k | 100% |
| 77566 | Lake Jackson | 30,246 | 1,278 | $93k | $263k | 100% |
| 77578 | Manvel | 30,210 | 787 | $134k | $378k | 100% |
| 77541 | Freeport | 16,996 | 120 | $67k | $170k | 100% |
| 77531 | Clute | 16,406 | 1,396 | $73k | $261k | 100% |
| 77422 | Brazoria | 14,547 | 85 | $77k | $208k | 100% |
| 77480 | Sweeny | 7,626 | 61 | $73k | $210k | 82% |
| 77486 | West Columbia | 7,195 | 149 | $75k | $240k | 100% |
| 77534 | Danbury | 3,403 | 81 | $106k | $246k | 100% |
| 77430 | Damon | 1,664 | 14 | $85k | $310k | 78% |
| 77577 | Liverpool | 1,562 | 56 | $71k | $253k | 100% |
| 77431 | Danciger | 250 | 19 | $16k | – | 100% |
Partly in Brazoria 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?
10 ZIP codes of Brazoria County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Brazoria | Elsewhere |
|---|---|---|
| 77584 | 96% | Fort Bend County 4% |
| 77546 | 2% | Galveston County 67%; Harris County 31% |
| 77583 | 92% | Fort Bend County 8% |
| 77511 | 87% | Galveston County 13% |
| 77581 | 94% | Harris County 6% |
| 77510 | 6% | Galveston County 94% |
| 77480 | 82% | Matagorda County 18% |
| 77517 | 25% | Galveston County 75% |
| 77430 | 78% | Fort Bend County 22% |
| 77444 | 50% | Fort Bend County 50% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Brazoria County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Brazoria County's ZIP codes use 2 prefixes: 774 and 775.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 774 | South Houston, TX (SCF 774) | 7 | 83 |
| 775 | North Houston, TX (SCF 773) | 18 | 71 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.