Collin County, TX Demographics

The total population of Collin County is estimated to be 1.08 million with 537,145 males (49.77%) and 542,008 females (50.23%). There are 4,863 more females than males in Collin County.
The median household income in Collin County was $112,768 in 2021, which marked an a decrease of 1,159(1.02%) from $113,927 in 2020. This income is 151.15% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Collin County sees its highest median household income among householders in the age group of 45 to 64 years old, at $144,460. Overall, the median household income for the county of Collin County stands at $113,305.
In Collin County, the median income for all workers aged 15 years and older, regardless of work hours, was $68,312 for males and $41,206 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $92,327 for males and $64,438 for females.
In Collin County, the demographic landscape is diverse, spanning 7 distinct racial categories among households. Among these, Native Hawaiian and Other Pacific Islander households have the highest median household income at $172,883, while American Indian and Alaska Native households represent the opposite end with the lowest median household income of $64,658.
In 2022, the population of Collin County was 1,158,696, a 3.97% increase year-by-year from 2021. Previously, in 2021, Collin County's population was 1,114,450, an increase of 3.61% compared to a population of 1,075,654 in 2020.
The median age in Collin County, TX is 37.2, as per 2021 ACS 5-Year Estimates. Of the total population, 21.07% were under the age of 15, 18.91% aged 15 to 29, 49.07% aged 30 to 64, 10.00% aged 65 to 84, and 0.95% were 85 years of age and older.
Racial distribution of Collin County population: 62.87% are White, 10.10% are Black or African American, 0.45% are American Indian and Alaska Native, 16.29% are Asian, 0.08% are Native Hawaiian and other Pacific Islander, 2.99% are some other race and 7.22% are multiracial.