County ZIP codes · Texas · FIPS 48053
Burnet County, TX ZIP Codes
Burnet County, Texas has 12 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 4 of the residential ones lie mainly in Burnet County and 8 mainly in a neighboring county; 10 cross the county line. Median household income ranges from $57,742 in 78639 (Kingsland) to $132,958 in 78642 (Liberty Hill) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Burnet 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 $74,130 and $91,452.
They carry 12 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 12 residential ZIP codes in Burnet County
4 ZIP codes lie mainly in Burnet County; 8 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 78654 | Marble Falls | 20,650 | 103 | $74k | $358k | 81% |
| 78611 | Burnet | 14,560 | 53 | $81k | $319k | 98% |
| 78605 | Bertram | 7,573 | 44 | $84k | $324k | 100% |
| 78608 | Briggs | 428 | 9 | – | $556k | 100% |
Partly in Burnet County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 76550 | Lampasas | 13,675 | 25 | $79k | $242k | 42% |
| 78669 | Spicewood | 12,592 | 104 | $128k | $671k | 37% |
| 78657 | Horseshoe Bay | 7,591 | 196 | $92k | $483k | 31% |
| 76539 | Kempner | 9,415 | 78 | $101k | $286k | 22% |
| 78639 | Kingsland | 8,719 | 199 | $58k | $246k | 17% |
| 76549 | Killeen | 56,038 | 596 | $71k | $226k | 11% |
| 78642 | Liberty Hill | 26,434 | 238 | $133k | $507k | 8% |
| 76527 | Florence | 4,918 | 41 | $82k | $345k | 8% |
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 Burnet County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Burnet | Elsewhere |
|---|---|---|
| 76549 | 11% | Bell County 89% |
| 78642 | 8% | Williamson County 92% |
| 78654 | 81% | Travis County 19% |
| 78611 | 98% | Llano County 2% |
| 76550 | 42% | Lampasas County 58% |
| 78669 | 37% | Travis County 44%; Blanco County 19% |
| 76539 | 22% | Lampasas County 71%; Bell County 5%; Coryell County 2% |
| 78639 | 17% | Llano County 83% |
| 78657 | 31% | Llano County 69% |
| 76527 | 8% | Williamson County 86%; Bell County 7% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do Burnet County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Burnet County's ZIP codes use 2 prefixes: 765 and 786.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.