Collin County
Collin County is significantly wealthier than the US average, with a median household income of $121,600. The county has more than doubled in size since 2000, adding 671,662 residents. 56% of adults hold a bachelor's degree or higher, well above the national rate of 36%. Median home value has roughly tripled since 2000, reaching $475,600. It ranks in the top 1% of US counties for household income. Households here earn about 55% more than the Texas median.
Population & growth
PEP 2025 EST:1,297,179 residents (Census Bureau Vintage 2025, released March 2026)
Income & economy
Housing
Race & ethnicity
Detailed origins & ancestry
+ 10 more hispanic origin groups with data
+ 11 more asian origin groups with data
+ 50 more ancestry groups with data
Education
Commute & transportation
Work & employment
People & community
Places similar to Collin County
Compare Collin County to nearby counties
How many people live in Collin County, Texas?
Collin County, Texas has about 1,163,337 residents according to the 2024 American Community Survey.
What is the median household income in Collin County, Texas?
The typical household in Collin County, Texas earns about $121,600 a year. Half of households make more than that, and half make less.
Is Collin County, Texas expensive?
In Collin County, Texas, the median home is worth about $475,600, and the typical rent is about $1,859 a month.
How educated are people in Collin County, Texas?
About 56.2% of adults age 25 and over in Collin County, Texas hold a bachelor's degree or higher.
What is the poverty rate in Collin County, Texas?
About 6.2% of people in Collin County, Texas live below the federal poverty line.
Has Collin County, Texas grown since 1990?
Yes, Collin County, Texas has grown since 1990. The population has added about 899,301 residents, a change of about 341 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024