What county is Cedar Park, TX in?
Updated · Data: U.S. Census Bureau
Cedar Park, Texas is in 2 counties. Most residents (90.7%) live in the Williamson County part; the rest live in Travis County.
Which counties do Cedar Park residents live in?
| County | Share of residents | Chart |
|---|---|---|
| Williamson County | 90.7% (70,257 people) | |
| Travis County | 9.3% (7,217 people) |
How is Cedar Park's land split between counties?
| County | Share of land area | Chart |
|---|---|---|
| Williamson County | 88.0% | |
| Travis County | 12.0% |
Inside Cedar Park, the county depends on the address: check your address privately. See all Texas cities in more than one county or look up another city.
Cedar Park at a glance
What ZIP codes are in Cedar Park?
2 ZIP codes use the name Cedar Park or are centered in it. Shares are of each ZIP's land; a ZIP named after a town can reach beyond its city limits.
| ZIP | Post office name | County (land share) |
|---|---|---|
| 78613 | Cedar Park | Williamson County 89%, Travis County 11% |
| 78630 | Cedar Park | Williamson County |
About Williamson County
County seat: Georgetown. FIPS code 48491. Population 643,889. All Williamson County facts.
Towns near Cedar Park
- Brushy Creek: 4.7 mi away, Williamson County
- Leander: 5.1 mi away, Williamson County
- Jonestown: 7.0 mi away, Travis County
- Hudson Bend: 9.2 mi away, Travis County
- Round Rock: 9.3 mi away, Williamson County
- Wells Branch: 9.5 mi away, Travis County
Cedar Park has about 77,474 people. It is an incorporated city or town.
Sources: ACS 2019-2023 5-year (residents by county, table B01003); Census TIGER/Line 2024 and Gazetteer 2024 (land, location); Census 2020 ZCTA file and GeoNames (ZIP codes). Data as of November 1, 2026. Not affiliated with any government agency.
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