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What county is McKinney, TX in?

Updated · Data: U.S. Census Bureau

McKinney, Texas is in Collin County.

McKinney at a glance

Population202,3144th largest place in Collin County
Land area68.4 sq mi2,959 people per sq mi
Share of Collin County18%of the county's residents live here
County seatYes
Time zoneCentralAmerica/Chicago
Nearest county line10 mito Denton County

How close is McKinney to a county line?

The center of McKinney (its Census internal point) is about 10 mi from the Denton County line. Homes near the edge of town can be much closer; if you live near a line, check your address and the lookup will tell you how far you are from it.

What ZIP codes are in McKinney?

4 ZIP codes use the name McKinney 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)
75069MckinneyCollin County
75070MckinneyCollin County
75071MckinneyCollin County
75072MckinneyCollin County

About Collin County

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

Towns near McKinney

  • Fairview: 5.1 mi away, Collin County
  • Allen: 6.3 mi away, Collin County
  • Lowry Crossing: 7.2 mi away, Collin County
  • Lucas: 8.4 mi away, Collin County
  • Melissa: 8.6 mi away, Collin County
  • Prosper: 9.0 mi away, Collin County

McKinney has about 202,314 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 McKinney, TX in?
McKinney, Texas is in Collin County. The county seat of Collin County is McKinney.
What ZIP codes are in McKinney, TX?
75069, 75070, 75071, 75072.
Is McKinney the county seat of Collin County?
Yes.
What time zone is McKinney, TX in?
Central time (America/Chicago).
How do I know which county my McKinney address is in?
Use the address lookup at your home, or check your appraisal district record.

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