What county is Sachse, TX in?

Updated November 1, 2026 · Data: U.S. Census Bureau

Sachse, Texas is in 2 counties. Most residents (63.2%) live in the Dallas County part; the rest live in Collin County.

Which counties do Sachse residents live in?

County	Share of residents	Chart
Dallas County	63.2% (18,373 people)
Collin County	36.8% (10,702 people)

How is Sachse's land split between counties?

County	Share of land area	Chart
Dallas County	76.0%
Collin County	24.0%

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

Sachse at a glance

Population29,07517th largest place in Dallas County

Land area9.7 sq mi2,987 people per sq mi

Share of Dallas County0.7%of the county's residents live here

County seatDallas16 mi from Sachse

Time zoneCentralAmerica/Chicago

What ZIP codes are in Sachse?

1 ZIP codes use the name Sachse 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)
75048	Sachse	Dallas County 81%, Collin County 19%

About Dallas County

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

Towns near Sachse

Murphy: 3.7 mi away, Collin County
Rowlett: 4.1 mi away, Dallas County
Garland: 5.0 mi away, Dallas County
Wylie: 5.1 mi away, Collin County
Parker: 6.9 mi away, Collin County
Seis Lagos: 7.1 mi away, Collin County

Sachse has about 29,075 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.