Collin County, Texas Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Collin County, TX Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
-
A
Health Above averageHealthiest county in Texas
-
A
Income Above averageAmong the top 3 wealthiest counties in Texas
-
A+
Education Top gradeBest educated county in Texas
Source: Map AI Methodology
Population: density and quick facts
| Metric | Collin County | Texas Avg | U.S. Average |
|---|---|---|---|
| Population | 1,163,170 | 30,160,889 | 337,468,954 |
| Population density (per sq mi) | 1312.4 | 112.2 | 86.4 |
| Population growth (%/yr) | 3.46% | 1.41% | 0.59% |
| Median age | 38.9 | 35.9 | 37.3 |
| Households | 416,529 | 10,982,153 | 130,235,071 |
Population in Collin County grew by 59.4% from 2009 to 2024, reaching 1,163,170 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Collin County is Millennials, aged 29–44, at 24.9% of residents. That is 2.0 points above Texas as a whole.
- Gen Z 13–28 241,112 20.7% -2.7 pts
- Millennials 29–44 289,853 24.9% +2.0 pts
- Gen X 45–60 255,455 22.0% +2.5 pts
- Boomers 61–79 133,067 11.4% -1.8 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Texas, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 50.6% of the people living in Collin County and men 49.4%.
- Women 50.6% Texas 50.1%
- Men 49.4% Texas 49.9%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Collin County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Collin County has a the economy index of A, which means it is very prosperous.
| Metric | Collin County | Texas Avg | U.S. Average |
|---|---|---|---|
| Median household income | $121,672 | $78,939 | $80,455 |
| Income growth (%/yr) | 4.32% | 4.56% | 4.80% |
| Unemployment rate | 4.2% | 5.2% | 5.2% |
The median household income in Collin County is about 54% higher than in Texas.
Housing
| Metric | Collin County | Texas Avg | U.S. Average |
|---|---|---|---|
| Median home price | $420,862 | $258,873 | $248,835 |
| Median rent | $1,859 | $1,402 | $1,407 |
| Homeownership rate | 64.5% | 62.6% | 65.2% |
The median home price in Collin County is about 18.9 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,859 per month for that long.
Commute Time & Mobility
Commuters in Collin County spend about 52 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 218 hours, about 9.1 full days, spent commuting.
| Metric | Collin County | Texas Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 26.1 | 22.8 | 22.4 |
| Round-trip commute (min) | 52.2 | 45.6 | 44.8 |
| Yearly time spent (hours) | 218 | 190 | 187 |
| Estimated yearly cost | $6,749 | $5,888 | $5,790 |
| Work from home | 27.5% | 14.4% | 15.0% |
| Highway traffic (vehicles/day) | 20,149 | 9,879 | 8,813 |
| Local road traffic (vehicles/day) | 3,106 | 1,441 | 1,355 |
Fastest commutes among counties in
Texas:
Loving County (3.2 min), King County (5.8 min), Terrell County (6.5 min).
Slowest:
Bandera County (38.6 min), San Jacinto County (35.9 min), Liberty County (33.6 min).
The average commute time in Collin County is 26 minutes, longer than the 23 minutes in Texas.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Collin County has a education index of A+, which means it is exceptionally educated.
| Metric | Collin County | Texas Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 49.7% | 29.3% | 31.6% |
| Average household size | 2.77 | 2.69 | 2.53 |
Highest education index among counties in
Texas:
Collin County (0.4), Travis County (0.4), Fort Bend County (0.4).
Lowest:
Kenedy County (0.0), Hudspeth County (0.1), La Salle County (0.1).
Health
Collin County has a health index of A, which means it is very healthy.
| Metric | Collin County | Texas Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 80.5 | 78.0 | 78.3 |
| Self-rated poor health | 10.8% | 21.1% | 16.3% |
| Smokers | 13.5% | 19.9% | 19.0% |
Highest health index among counties in
Texas:
Collin County (0.8), Travis County (0.8), Denton County (0.8).
Lowest:
Starr County (0.7), Brooks County (0.7), Presidio County (0.7).
Collin County, TX Compared With Nearby Counties
Collin County, TX is the 2nd largest of the 6 counties compared here, 1,163,170 residents against a local median of 143,336. The measure that sets Collin County, TX apart most is median household income: $121,672, 58% above the local median of $76,775. That is the better end of the local range on this measure.
Median home price tells the same story from another angle: $420,862 against a local median of $343,060, 23% above it. The counties themselves spread $55,238 on median household income, so Collin County, TX sits at one end of an already wide local range rather than apart from it. Collin County, TX has the 2nd highest median household income of the 6 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Collin County, TX | 1,163,170 | $121,672 #2/6 | $420,862 #3/6 | 26.1 min #5/6 |
| Rockwall County, TX | 123,617 | $127,304 | $440,909 | 32.3 min |
| Grayson County, TX | 143,336 | $72,206 | $308,887 | 20.2 min |
| Dallas County, TX | 2,620,115 | $76,775 | $343,060 | 23.9 min |
| Hunt County, TX | 108,970 | $72,066 | $222,968 | 22.9 min |
| Denton County, TX | 979,063 | $112,041 | $436,133 | 26.1 min |
Frequently Asked Questions
Common questions about Collin County, Texas.
How big is Collin County, Texas by population?
About 1,163,170 people live in Collin County, Texas, in 416,529 households of 2.8 people on average. The median age is 38.9, so residents are older than the U.S. median of 37.3 by about 2 years.
Is Collin County, Texas mostly urban or rural?
Averaged over its land area, Collin County, Texas has 1,312 people per square mile, a density typical of urban and suburban areas. That is about 15 times the U.S. average of 86.
Is Collin County, Texas an affordable place to live?
The median home costs 3.5 times the median household income ($420,862 against $121,672), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $1,859 a month takes about 18% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
How strong is the job market in Collin County, Texas?
Unemployment in Collin County, Texas is only 4.2%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
How educated are people in Collin County, Texas?
49.7% of adults in Collin County, Texas hold a bachelor's degree or higher (about 1 in 2), well above the U.S. share of 31.6%.
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