Collin County's estimated 2026 population is 1,340,145 with a growth rate of 3.31% in the past year according to the most recent United States census data. Collin County is the 6th largest county in Texas. The 2010 population was 787,102 and has seen a growth of 70.26% since that time.
Data after 2023 is projected based on recent change
Overall: 37.3 years
Female: 37.8 years
Male: 36.8 years
There are 875,753 adults, (134,714 of whom are seniors) in Collin County.
Female: 584,381 (50.2%)
Male: 578,956 (49.8%)
The racial composition of Collin County includes 53.46% White, 18.8% Asian, 10.98% Black or African American, 3.8% other race, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 621,943 | 53.46% |
| Asian | 218,741 | 18.8% |
| Two or more races | 144,914 | 12.46% |
| Black or African American | 127,684 | 10.98% |
| Other race | 44,181 | 3.8% |
| Native American | 5,198 | 0.45% |
| Native Hawaiian or Pacific Islander | 676 | 0.06% |
Collin County's average per capita income is $73,245. Household income levels show a median of $121,600. The poverty rate stands at 6.23%.
Name | Median | Mean |
|---|---|---|
| Married Families | $161,982 | $195,671 |
| Families | $145,862 | $178,648 |
| Households | $121,600 | $155,619 |
| Non Families | $69,837 | $89,247 |
Average Income
Median Household Income
Poverty Rate
