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.

HoustonSan AntonioDallas
Collin County in Texas
PlanoFriscoMcKinney
Collin County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
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 zoneLocal time and UTC offsetNext clock change
Central TimeAmerica/ChicagoUTC-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

  1. 7503589,682 people
  2. 7500275,057 people
  3. 7507172,964 people
  4. 7509869,325 people
  5. 7507064,078 people
  6. 7507255,087 people
  7. 7500754,646 people
  8. 7528753,959 people
  9. 7507453,831 people
  10. 7503453,818 people
  11. 7502553,202 people
  12. 7507853,011 people
All 40
  1. 7503352,795 people
  2. 7508052,569 people
  3. 7501349,796 people
  4. 7502349,229 people
  5. 7518948,739 people
  6. 7509347,954 people
  7. 7504447,529 people
  8. 7502445,652 people
  9. 7508744,326 people
  10. 7506940,032 people
  11. 7524838,459 people
  12. 7507538,135 people
  13. 7500934,260 people
  14. 7540734,171 people
  15. 7504830,993 people
  16. 7508229,618 people
  17. 7525228,618 people
  18. 7540927,131 people
  19. 7509424,200 people
  20. 7545422,990 people
  21. 7549511,120 people
  22. 7544210,805 people
  23. 7517310,664 people
  24. 751666,989 people
  25. 754915,471 people
  26. 754525,024 people
  27. 754243,790 people
  28. 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

  1. Plano Independent School District369,224 people
  2. Frisco Independent School District299,338 people
  3. McKinney Independent School District143,617 people
  4. Allen Independent School District118,775 people
  5. Prosper Independent School District96,876 people
  6. Rockwall Independent School District96,578 people
  7. Wylie Independent School District (Collin County)84,360 people
  8. Royse City Independent School District42,496 people
  9. Princeton Independent School District34,024 people
  10. Anna Independent School District26,424 people
  11. Melissa Independent School District24,492 people
  12. Celina Independent School District24,248 people
All 21
  1. Community Independent School District22,439 people
  2. Lovejoy Independent School District16,333 people
  3. Van Alstyne Independent School District11,429 people
  4. Farmersville Independent School District9,731 people
  5. Whitewright Independent School District4,492 people
  6. Leonard Independent School District4,304 people
  7. Bland Independent School District4,285 people
  8. Blue Ridge Independent School District3,921 people
  9. 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.

  1. Dallas, Texas (city)1,307,930 people
  2. Plano, Texas (city)290,594 people
  3. Garland, Texas (city)246,844 people
  4. Frisco, Texas (city)219,304 people
  5. McKinney, Texas (city)210,600 people
  6. Carrollton, Texas (city)133,740 people
  7. Richardson, Texas (city)118,731 people
  8. Allen, Texas (city)110,265 people
  9. Wylie, Texas (city)60,334 people
  10. Prosper, Texas (town)37,869 people
  11. Celina, Texas (city)34,268 people
  12. Sachse, Texas (city)30,491 people
All 34
  1. Princeton, Texas (city)25,229 people
  2. Anna, Texas (city)24,330 people
  3. Murphy, Texas (city)21,188 people
  4. Melissa, Texas (city)20,136 people
  5. Royse City, Texas (city)20,037 people
  6. Fairview, Texas (town)10,783 people
  7. Lucas, Texas (city)8,351 people
  8. Lavon, Texas (city)6,498 people
  9. Parker, Texas (city)5,999 people
  10. Van Alstyne, Texas (city)5,952 people
  11. Josephine, Texas (city)5,842 people
  12. Farmersville, Texas (city)4,018 people
  13. Lowry Crossing, Texas (city)1,433 people
  14. Seis Lagos, Texas (CDP)1,391 people
  15. Nevada, Texas (city)1,319 people
  16. Blue Ridge, Texas (city)1,104 people
  17. St. Paul, Texas (town)879 people
  18. 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.

  1. Rockwall County, Texas23 mi southeast
  2. Hunt County, Texas29 mi east
  3. Grayson County, Texas30 mi north
  4. Denton County, Texas31 mi west
  5. Dallas County, Texas32 mi south
  6. 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.

See this county on Census.gov ↗

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.