Collin County , Texas

Collin County: County in Texas, United States

Collin County locator map
Location of Collin County on Texas map.

About

Collin County is a county located in the U.S. state of Texas. As of the 2010 census, the population was 782,341 and a population density of 341 people per km². After 9 years in 2019 county had an estimated population of 1,034,730 inhabitants. Its county seat is McKinney. The county was created 175 years ago in 1846.

Geography

Collin County is located at 33°11'16"N 96°34'21"W (33.1879100, -96.5723700). It has 5 neighbors: Dallas County, Denton County, Grayson County, Hunt County and Rockwall County.

Collin county tx courthouse image
Collin county tx courthouse

The largest city of Collin County is Plano with a population of 287,677. Other cities include, McKinney population 199,177, Allen population 105,623, Wylie population 53,067 and Murphy population 20,500. See all Collin County cities & populated places.

Weather

Collin County forecast: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 20%. more

Collin county tx courthouse image

Collin County map

Collin County Quick Facts

Population : 1,034,730 (2019)
Country : United States of America
State : Texas (United States)
Area : 2294 km2
Water as percent of area : 5.1%
Land as percent of area : 94.9%
Named for : Collin McKinney
Altitude : 604 feet / 184 meters
Capital : McKinney
Establishment : April 04, 1846
Time Zone : Central Time Zone
Local time : 03:22:38 (3rd August 2021)
Density : 451 Pop. per km² as of 2019
Population growth : 24.39% (2010-2019)
Weather : 92℉ Slight Chance Showers And Thunderstorms 7-days weather

Collin County has 5 neighbours.

  • Weston
  • Princeton
  • Parker
  • Nevada
  • Murphy
  • Melissa
  • Lucas
  • Lowry Crossing
  • Lavon
  • Farmersville
  • Blue Ridge
  • Anna
  • Allen
  • McKinney

Demographics

The population of Collin County increased by 24.39% in 9 years.

Year Population % Change Method
2010 782,341 - census
2011 812,540 3.72% estimation process
2012 835,230 2.72% estimation process
2013 856,398 2.47% estimation process
2014 884,688 3.2% estimation process
2015 915,243 3.34% estimation process
2016 943,742 3.02% estimation process
2017 971,864 2.89% estimation process
2018 1,004,307 3.23% estimation process
2019 1,034,730 2.94% estimation process

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People born in Collin County (6)

People born in Collin County, including actress Haley Ramm, politician Ray Roberts, gunslinger King Fisher, you can see a list of people who born in Collin County.

Collin County Populated Places (more)

Cities, Towns, Neighborhoods & Other Populated Places in Collin County.

City Name Population Title
Plano 287,677 City in Texas, United States
Frisco 200,490 Frisco is a city in the US state of Texas located in the counties of Collin and Denton, and an affluent and rapidly developing suburb of Dallas.
McKinney 199,177 City in Collin County, Texas, United States
Allen 105,623 City in Collin County, Texas, United States
Wylie 53,067 City in Collin County, Texas, United States
Prosper 24,579 Suburban town located in Collin and Denton counties, Texas
Murphy 20,500 City in Collin County, Texas, United States
Celina 16,299 City in Texas, United States of America
Anna 15,000 City in Collin County, Texas, United States
Princeton 13,894 City in Collin County, Texas, United States
Melissa 12,117 City in Collin County, Texas, United States
Lucas 8,553 City in Collin County, Texas, United States
Fairview 8,438
Parker 4,352 City in Collin County, Texas, United States
Lavon 3,724 City in Collin County, Texas, United States of America
Farmersville 3,630 City in Collin County, Texas, United States

Texas Other Counties (more counties)

County Name Population Title
Texas 28,995,881 State in the southern United States
Harris County 4,713,325 County in Texas, United States
Dallas County 2,635,516 County in Texas, United States
Houston 2,320,268 County seat of Harris County, Texas; fourth largest city in the United States by population
Tarrant County 2,102,515 County in Texas, United States
Bexar County 2,003,554 County in Texas, United States
San Antonio 1,547,253 Second-most populous city in Texas, United States of America
Dallas 1,343,573 County seat of Dallas County, Texas; ninth largest city in the United States by population
Travis County 1,273,954 County in Texas, United States
Austin 978,908 City in Travis, Hays and Williamson counties, Texas, United States; Texas state capital and Travis County seat
Montopolis 912,791 City in Travis, Hays and Williamson counties, Texas, United States; Texas state capital and Travis County seat
Fort Worth 909,585 City in Texas, USA
Denton County 887,207 County in Texas, United States
Hidalgo County 868,707 County in New Mexico, United States
El Paso County 839,238 County in Texas, United States
Fort Bend County 811,688 County in Texas, United States

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