County ZIP codes · Texas · FIPS 48259
Kendall County, TX ZIP Codes
Kendall County, Texas has 9 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 6 of the residential ones lie mainly in Kendall County and 3 mainly in a neighboring county; 6 cross the county line. Median household income ranges from $75,237 in 78624 (Fredericksburg) to $162,487 in 78015 (Boerne) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Kendall 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 $82,492 and $115,175.
They carry 8 postal town names: Boerne, Fredericksburg, Spring Branch, Blanco, Comfort, Bergheim, Kendalia, Waring.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 9 residential ZIP codes in Kendall County
6 ZIP codes lie mainly in Kendall County; 3 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 78006 | Boerne | 44,560 | 129 | $116k | $544k | 92% |
| 78015 | Boerne | 24,867 | 960 | $163k | $492k | 47% |
| 78013 | Comfort | 4,809 | 21 | $83k | $416k | 50% |
| 78004 | Bergheim | 547 | 48 | $165k | $681k | 100% |
| 78027 | Kendalia | 318 | 4 | $111k | $290k | 100% |
| 78074 | Waring | no residents | 0 | – | – | 100% |
Partly in Kendall 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?
6 ZIP codes of Kendall County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Kendall | Elsewhere |
|---|---|---|
| 78006 | 92% | Bexar County 7%; Comal County 1% |
| 78015 | 47% | Bexar County 43%; Comal County 10% |
| 78624 | 9% | Gillespie County 91% |
| 78070 | 10% | Comal County 82%; Blanco County 8% |
| 78606 | 21% | Blanco County 75%; Comal County 4% |
| 78013 | 50% | Kerr County 50% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do Kendall County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Kendall County's ZIP codes use 2 prefixes: 780 and 786.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.