What county is Southlake, TX in?
Updated · Data: U.S. Census Bureau
Southlake, Texas is in 2 counties. Most residents (97.9%) live in the Tarrant County part; the rest live in Denton County.
Which counties do Southlake residents live in?
| County | Share of residents | Chart |
|---|---|---|
| Tarrant County | 97.9% (30,394 people) | |
| Denton County | 2.1% (650 people) |
How is Southlake's land split between counties?
| County | Share of land area | Chart |
|---|---|---|
| Tarrant County | 90.2% | |
| Denton County | 9.8% |
Inside Southlake, the county depends on the address: check your address privately. See all Texas cities in more than one county or look up another city.
Southlake at a glance
What ZIP codes are in Southlake?
1 ZIP codes use the name Southlake 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) |
|---|---|---|
| 76092 | Southlake | Tarrant County 92%, Denton County 8% |
About Tarrant County
County seat: Fort Worth. FIPS code 48439. Population 2,135,743. All Tarrant County facts.
Towns near Southlake
- Trophy Club: 3.0 mi away, Denton County
- Westlake: 3.8 mi away, Tarrant County
- Colleyville: 4.4 mi away, Tarrant County
- Grapevine: 4.4 mi away, Tarrant County
- Keller: 4.6 mi away, Tarrant County
- Flower Mound: 6.1 mi away, Denton County
Southlake has about 31,044 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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