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Collin County, Texas

Collin County profile, demographic data, and geographic information.

Collin County is a county located in Texas, United States of America. As of official census estimates, it has a reported population of 1,297,179. The land area covers 841.55 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Collin County
Official Title: County Administrator
Address: 2300 BLOOMDALE RD, STE 4192, MCKINNEY TX 75071-8517

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 1,297,179 — 2025 / Census
Median Age 37.3 yrs ±0.1 2020-2024 / Census ACS 5-Year 2024
Total Households 416,646 ±1,382 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 437,396 ±144
Occupied Housing Units 416,646 ±1,382
Vacant Housing Units 20,750 ±1,345
Median Home Value $475,600 ±$3,261
Median Gross Rent $1,859 ±$15
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $121,600 ±$1,883
Per Capita Income $57,056 ±$728
Poverty Rate 6.2% ±0.4%
Population Below Poverty Level 71,971 ±4,097
Unemployment Rate 4.2% ±0.3%
Civilian Labor Force, Employed 615,475 ±3,520
Broadband Internet Rate 96.5% ±0.3%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at MCKINNEY MUNI AP, TX US, located 1.2 miles from Collin County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 55.5° 33.9° 44.7° 2.70" —
February 59.7° 38.1° 48.9° 2.57" —
March 67.5° 45.5° 56.5° 3.51" —
April 74.7° 53.0° 63.9° 3.58" —
May 82.8° 62.4° 72.6° 4.77" —
June 90.7° 70.2° 80.5° 3.58" —
July 95.0° 73.8° 84.4° 1.96" —
August 95.5° 73.1° 84.3° 1.73" —
September 88.3° 65.5° 76.9° 2.81" —
October 77.9° 54.2° 66.0° 4.41" —
November 66.2° 43.7° 54.9° 3.19" —
December 57.1° 35.8° 46.5° 3.49" —
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 48085. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.