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What county is Wylie, TX in?

Updated · Data: U.S. Census Bureau

Wylie, Texas is in 3 counties. Most residents (95.1%) live in the Collin County part; the rest live in Dallas County and Rockwall County.

Which counties do Wylie residents live in?

CountyShare of residentsChart
Collin County95.1% (56,128 people)
Dallas County2.6% (1,548 people)
Rockwall County2.2% (1,315 people)

How is Wylie's land split between counties?

CountyShare of land areaChart
Collin County96.4%
Dallas County2.9%
Rockwall County0.7%

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

Wylie at a glance

Population58,9918th largest place in Collin County
Land area21.2 sq mi2,787 people per sq mi
Share of Collin County5%of the county's residents live here
County seatMcKinney14 mi from Wylie
Time zoneCentralAmerica/Chicago

What ZIP codes are in Wylie?

1 ZIP codes use the name Wylie 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)
75098WylieCollin County 87%, Dallas County 10%, Rockwall County 3%

About Collin County

County seat: McKinney. FIPS code 48085. Population 1,116,601. All Collin County facts.

Towns near Wylie

  • Seis Lagos: 3.7 mi away, Collin County
  • Murphy: 4.8 mi away, Collin County
  • Sachse: 5.1 mi away, Dallas County
  • Lavon: 5.5 mi away, Collin County
  • Lucas: 5.9 mi away, Collin County
  • Parker: 6.1 mi away, Collin County

Wylie has about 58,991 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 Wylie, TX in?
Wylie, Texas is in 3 counties. Most residents (95.1%) live in the Collin County part; the rest live in Dallas County and Rockwall County. The county seat of Collin County is McKinney.
Is Wylie in more than one county?
Yes. 3 counties: Collin County (95.1% of residents), Dallas County (2.6% of residents), Rockwall County (2.2% of residents).
What ZIP codes are in Wylie, TX?
75098.
Is Wylie the county seat of Collin County?
No. The county seat is McKinney, about 14 mi away.
What time zone is Wylie, TX in?
Central time (America/Chicago).
How do I know which county my Wylie address is in?
Use the address lookup at your home, or check your appraisal district record.

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