Thornton, CO Census Data
Key demographic and economic indicators for Thornton, Colorado from the 2023 American Community Survey (ACS) 5-year estimates.
Updated: 2026-03-23 · Source: U.S. Census Bureau, ACS 2023
Population
142,878
50.2% male · 49.8% female
Median Age
34.3
4.4 below the national average (38.7 yrs)
Median Household Income
$100,985
22,447.0 above the national average ($78,538)
Bachelor's Degree or Higher
32.2%
2.8 below the national average (35.0%)
HS diploma or higher: 87.9%
Poverty Rate
7.3%
5.1 below the national average (12.4%)
Uninsured: 9.5%
Broadband Access
98.6%
8.9 above the national average (89.7%)
Median Home Value
$482,200
Median rent: $1,810 · 73% owner-occupied
Unemployment Rate
4.6%
Labor force participation: 70.7%
Demographics
Race & Ethnicity
Age Distribution
Commute to Work
Thornton, CO Frequently Asked Questions
What is the population of Thornton, CO?
The population of Thornton, CO is 142,878 according to the 2023 American Community Survey 5-year estimates. The median age is 34.3 years.
What is the median household income in Thornton?
The median household income in Thornton, CO is $100,985, above the national average of $78,538. Per capita income is $49,723.
What is the poverty rate in Thornton?
The poverty rate in Thornton, CO is 7.3%, compared to the national average of 12.4%. About 9.5% of residents lack health insurance.
What percentage of Thornton residents have a college degree?
32.2% of adults (25+) in Thornton hold a bachelor's degree or higher, and 87.9% have at least a high school diploma. The national average for bachelor's degree holders is 35.0%.
What is the median home value in Thornton?
The median home value in Thornton, CO is $482,200. Median rent is $1,810 per month, with 73% of housing units owner-occupied.
What is the racial makeup of Thornton?
Thornton's population is 63.5% White, 2.2% Black, 37.4% Hispanic or Latino, and 5.8% Asian (source: 2023 ACS).