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What county is Rowlett, TX in?

Updated · Data: U.S. Census Bureau

Rowlett, Texas is in 2 counties. Most residents (87.8%) live in the Dallas County part; the rest live in Rockwall County.

Which counties do Rowlett residents live in?

CountyShare of residentsChart
Dallas County87.8% (56,327 people)
Rockwall County12.2% (7,812 people)

How is Rowlett's land split between counties?

CountyShare of land areaChart
Dallas County92.1%
Rockwall County7.9%

Inside Rowlett, the county depends on the address: check your address privately. See all Texas cities in more than one county or look up another city.

Rowlett at a glance

Population64,1399th largest place in Dallas County
Land area20.7 sq mi3,091 people per sq mi
Share of Dallas County2%of the county's residents live here
County seatDallas15 mi from Rowlett
Time zoneCentralAmerica/Chicago

What ZIP codes are in Rowlett?

3 ZIP codes use the name Rowlett or are centered in it. Shares are of each ZIP's land; a ZIP named after a town can reach beyond its city limits.

ZIPPost office nameCounty (land share)
75030RowlettDallas County
75088RowlettDallas County 87%, Rockwall County 13%
75089RowlettDallas County 96%, Rockwall County 4%

About Dallas County

County seat: Dallas. FIPS code 48113. Population 2,603,816. All Dallas County facts.

Towns near Rowlett

  • Sachse: 4.1 mi away, Dallas County
  • Garland: 4.8 mi away, Dallas County
  • Rockwall: 6.4 mi away, Rockwall County
  • Heath: 6.5 mi away, Rockwall County
  • Murphy: 7.8 mi away, Collin County
  • Wylie: 7.9 mi away, Collin County

Rowlett has about 64,139 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.

FAQ

Frequently asked questions

What county is Rowlett, TX in?
Rowlett, Texas is in 2 counties. Most residents (87.8%) live in the Dallas County part; the rest live in Rockwall County. The county seat of Dallas County is Dallas.
Is Rowlett in more than one county?
Yes. 2 counties: Dallas County (87.8% of residents), Rockwall County (12.2% of residents).
What ZIP codes are in Rowlett, TX?
75030, 75088, 75089.
Is Rowlett the county seat of Dallas County?
No. The county seat is Dallas, about 15 mi away.
What time zone is Rowlett, TX in?
Central time (America/Chicago).
How do I know which county my Rowlett address is in?
Use the address lookup at your home, or check your appraisal district record.

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