Collin County, Texas Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 6th-largest in Texas
The population of Collin County, Texas is 1,116,601 as of the 2023 American Community Survey, making it the 6th-largest county in Texas. The median household income is $117,588, the median home value is $447,600, and the median age is 37.3.
The population of Collin County has grown 59.4% since 2010 (787,102 → 1,254,658), a +3.39% annualized rate.
1,116,601
Population
+3.39%
Annual growth
1327
People / sq mi
$117,588
Median Income
$447,600
Median Home Value
Collin County covers 841 sq mi of land at 1327.1 people per square mile.
About Collin County, TX
Collin County is a county in Texas with a population of 1,116,601. It ranks #6 among counties in Texas by population. The median age is 37.3, younger than the national median. The population is 49.7% male and 50.3% female.
The median household income in Collin County is $117,588, above the US median of $74,580. 4.6% of residents live below the federal poverty level. Home values sit at a median of $447,600, with monthly rent averaging $1,792. The homeownership rate of 64.1% is close to the national rate of 64.8%.
Educational attainment in Collin County reflects 54.9% of adults 25 and older holding a bachelor's degree or higher, above the national average of 34.3%. Roughly 24.9% of workers primarily work from home, noticeably above the national work-from-home rate of 14.2%. The average commute is 28.1 minutes each way.
Collin County Population History (2010-2024)
The county of Collin County had a population of 787,102 in 2010 and 1,254,658 in 2024, a 59.4% growth over 14 years. The peak was 1,254,658 in 2024. Average annual growth rate: 3.39%.
1,254,658
Population (2024)
787,102
Population (2010)
1,254,658
Peak (2024)
3.39%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 787,102 |
| 2011 | 812,083 |
| 2012 | 834,839 |
| 2013 | 856,063 |
| 2014 | 884,410 |
| 2015 | 915,014 |
| 2016 | 944,313 |
| 2017 | 972,724 |
| 2018 | 1,006,012 |
| 2019 | 1,035,072 |
| 2020 | 1,075,651 |
| 2021 | 1,114,687 |
| 2022 | 1,163,724 |
| 2023 | 1,207,964 |
| 2024 | 1,254,658 |
Race & Ethnicity
| White | 57.0% |
| Black or African American | 10.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.5% |
| Two or More Races | 0.0% |
Age & Sex
37.3
Median Age
50.3%
Female
49.7%
Male
11.3%
Age 65+
Age Distribution
Children (under 15): 20.4% · Seniors (65+): 11.3%
Income & Poverty
| Median household income | $117,588+$41,296 vs state |
| Mean household income | $150,558 |
| Per-capita income | $55,057 |
| Poverty rate | 4.6%-5.9% vs state |
| Unemployment rate | 2.9% |
| Employment-to-population | 67.6% |
Top Industries by Employment
The largest employment sector in Collin County is professional & business services, accounting for 18.9% of workers.
How residents commute
0.6%
Drive alone
1.2%
Carpool
64.7%
Public transit
24.9%
Work from home
28.1 min
Avg commute
Housing
$447,600+$187,200 vs state
Median home value
$1,792
Median rent
64.1%
Homeownership rate
421,938
Total housing units
94.8%
Occupied
5.2%
Vacant
35.9%
Renter-occupied
Social & access
90.1%
With health insurance
98.8%
With broadband internet
33.3%
Foreign-born
4.9%
Veterans (18+)
7.7%
With a disability
69.6%
Speak language other than English at home
Education
94.5%
High School+
54.9%
Bachelor's+
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Common questions about Collin County, TX
Frequently Asked Questions
Collin County, Texas has a population of 1,116,601 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 6th-largest county in Texas. Population density is 1327 people per square mile.
The population of Collin County has grown 59.4% since 2010 (787,102 → 1,254,658), a +3.39% annualized rate.
The median household income in Collin County, Texas is $117,588, with mean (average) household income of $150,558 and per-capita income of $55,057. 4.6% of residents live below the federal poverty level.
In Collin County, the largest racial and ethnic groups are White (57.0%), Black or African American (10.7%), Hispanic or Latino (1.5%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Collin County, Texas is 37.3 years. Residents are 50.3% female and 49.7% male.
The median home value in Collin County is $447,600 and median monthly rent is $1,792. 64.1% of occupied housing units are owner-occupied. The county has 421,938 total housing units, 5.2% of which are vacant.
The largest employment sector in Collin County, Texas is professional, scientific, and management services, employing 18.9% of workers. The unemployment rate is 2.9%.
Houston is among the largest cities associated with Collin County, Texas, with a population of 2,300,419.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.