What county is Celina, TX in?

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

Celina, Texas is in 2 counties. Most residents (91.8%) live in the Collin County part; the rest live in Denton County.

Which counties do Celina residents live in?

County	Share of residents	Chart
Collin County	91.8% (24,913 people)
Denton County	8.2% (2,228 people)

How is Celina's land split between counties?

County	Share of land area	Chart
Collin County	85.8%
Denton County	14.2%

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

Celina at a glance

Population27,14111th largest place in Collin County

Land area48.3 sq mi562 people per sq mi

Share of Collin County2%of the county's residents live here

County seatMcKinney11 mi from Celina

Time zoneCentralAmerica/Chicago

What ZIP codes are in Celina?

1 ZIP codes use the name Celina 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)
75009	Celina	Collin County 93%, Denton County 7%

About Collin County

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

Towns near Celina

Prosper: 5.7 mi away, Collin County
Gunter: 6.6 mi away, Grayson County
Savannah: 9.2 mi away, Denton County
Pilot Point: 10 mi away, Denton County
Paloma Creek: 10 mi away, Denton County
Aubrey: 10 mi away, Denton County

Celina has about 27,141 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.