Collin County, Texas
Collin County, Texas, has 1,297,179 residents (July 2025 estimate). Its county seat is McKinney. It uses Central Time and covers 842 sq mi (2,180 km²) of land.
- Resident population, July 2025
- 1,297,179
- Land area
- 842 sq mi (2,180 km²)
- County seat or government
- McKinney
- Time zone
- Central TimeUTC-06:00 in January; UTC-05:00 in July
- Median household income
- $121,600 ± $1,883
- Median home value
- $475,600 ± $3,261
- Median rent, with utilities
- $1,859 ± $15
- Homes lived in by their owners
- 64.5% ± 0.5 points
- County type
- County
- Metro or micro area
- Dallas-Fort Worth-Arlington, TX metro areaCentral county
- Water area
- 44.4 sq mi (115 km²)
- State
- Texas
- County code (FIPS)
- 48085
- Coordinates (central point)
- 33.194482, -96.579428
These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.
Time zones in Collin County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Central TimeAmerica/Chicago | UTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.
ZIP Code areas, largest first
- 7503589,682 people
- 7500275,057 people
- 7507172,964 people
- 7509869,325 people
- 7507064,078 people
- 7507255,087 people
- 7500754,646 people
- 7528753,959 people
- 7507453,831 people
- 7503453,818 people
- 7502553,202 people
- 7507853,011 people
All 40
- 7503352,795 people
- 7508052,569 people
- 7501349,796 people
- 7502349,229 people
- 7518948,739 people
- 7509347,954 people
- 7504447,529 people
- 7502445,652 people
- 7508744,326 people
- 7506940,032 people
- 7524838,459 people
- 7507538,135 people
- 7500934,260 people
- 7540734,171 people
- 7504830,993 people
- 7508229,618 people
- 7525228,618 people
- 7540927,131 people
- 7509424,200 people
- 7545422,990 people
- 7549511,120 people
- 7544210,805 people
- 7517310,664 people
- 751666,989 people
- 754915,471 people
- 754525,024 people
- 754243,790 people
- 75164885 people
40 ZIP Code areas overlap Collin County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.
Official county information
We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
School districts in Collin County, largest first
- Plano Independent School District369,224 people
- Frisco Independent School District299,338 people
- McKinney Independent School District143,617 people
- Allen Independent School District118,775 people
- Prosper Independent School District96,876 people
- Rockwall Independent School District96,578 people
- Wylie Independent School District (Collin County)84,360 people
- Royse City Independent School District42,496 people
- Princeton Independent School District34,024 people
- Anna Independent School District26,424 people
- Melissa Independent School District24,492 people
- Celina Independent School District24,248 people
All 21
- Community Independent School District22,439 people
- Lovejoy Independent School District16,333 people
- Van Alstyne Independent School District11,429 people
- Farmersville Independent School District9,731 people
- Whitewright Independent School District4,492 people
- Leonard Independent School District4,304 people
- Bland Independent School District4,285 people
- Blue Ridge Independent School District3,921 people
- Trenton Independent School District3,769 people
Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.
Cities, towns and communities, largest first
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Dallas, Texas (city)1,307,930 people
- Plano, Texas (city)290,594 people
- Garland, Texas (city)246,844 people
- Frisco, Texas (city)219,304 people
- McKinney, Texas (city)210,600 people
- Carrollton, Texas (city)133,740 people
- Richardson, Texas (city)118,731 people
- Allen, Texas (city)110,265 people
- Wylie, Texas (city)60,334 people
- Prosper, Texas (town)37,869 people
- Celina, Texas (city)34,268 people
- Sachse, Texas (city)30,491 people
All 34
- Princeton, Texas (city)25,229 people
- Anna, Texas (city)24,330 people
- Murphy, Texas (city)21,188 people
- Melissa, Texas (city)20,136 people
- Royse City, Texas (city)20,037 people
- Fairview, Texas (town)10,783 people
- Lucas, Texas (city)8,351 people
- Lavon, Texas (city)6,498 people
- Parker, Texas (city)5,999 people
- Van Alstyne, Texas (city)5,952 people
- Josephine, Texas (city)5,842 people
- Farmersville, Texas (city)4,018 people
- Lowry Crossing, Texas (city)1,433 people
- Seis Lagos, Texas (CDP)1,391 people
- Nevada, Texas (city)1,319 people
- Blue Ridge, Texas (city)1,104 people
- St. Paul, Texas (town)879 people
- Westminster, Texas (CDP)738 people
See all 34 cities, towns and communities in Collin County, largest first
Bordering areas, nearest first
Distances are straight lines between map points.
- Rockwall County, Texas23 mi southeast
- Hunt County, Texas29 mi east
- Grayson County, Texas30 mi north
- Denton County, Texas31 mi west
- Dallas County, Texas32 mi south
- Fannin County, Texas39 mi northeast
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
Find the county where you are now, check its ZIP area, or check the time zone where you are.
Areas that only touch the edge
These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.