Hays County, Texas ZIP codes
8 ZIP codes are in Hays County, plus 7 that cross in from neighboring counties. It's part of the Austin-Round Rock-San Marcos, TX metro area.
- ZIP codes
- 8
- Population in these ZIPs
- 286,831
- Avg. median income
- $98,700population-weighted
- Cities & towns
- 7
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Hays County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 78610 | Buda | 48,319 | $119,698 | $358,500 |
| 78619 | Driftwood | 6,693 | $183,393 | $926,000 |
| 78620 | Dripping Springs | 22,860 | $153,477 | $671,500 |
| 78640 | Kyle | 77,531 | $90,075 | $293,500 |
| 78666 | San Marcos | 88,583 | $54,737 | $309,400 |
| 78667 PO Box | San Marcos | — | — | — |
| 78676 | Wimberley | 15,822 | $87,344 | $555,600 |
| 78737 | Austin | 27,023 | $168,920 | $766,000 |
ZIP codes partly in Hays County
These ZIP codes are mostly in a neighboring county but cover part of Hays County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 78130 | New Braunfels | Guadalupe County | 104,009 | $83,064 | $302,000 |
| 78623 | Fischer | Comal County | 1,645 | $116,923 | $485,700 |
| 78652 | Manchaca | Travis County | 5,287 | $133,368 | $459,100 |
| 78656 | Maxwell | Caldwell County | 2,847 | $81,346 | $252,500 |
| 78663 | Round Mountain | Blanco County | 503 | $168,125 | $835,400 |
| 78736 | Austin | Travis County | 9,651 | $93,805 | $581,100 |
| 78739 | Austin | Travis County | 20,659 | $238,559 | $785,200 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Hays County
Nearby counties
Frequently asked questions
How many ZIP codes are in Hays County, Texas?
8 ZIP codes are mainly in Hays County, and 7 more ZIP codes from neighboring areas reach partly into it.
What cities are in Hays County?
ZIP codes in Hays County use the city names Austin, Buda, Driftwood, Dripping Springs, Kyle, San Marcos and Wimberley.
What metro area is Hays County in?
Hays County is part of the Austin-Round Rock-San Marcos, TX metropolitan statistical area.