Thornton demographics profile

StatisticThorntonColoradoNational
Population130,5115,359,295318,558,162
Population density (sq mi)3,6175091
Median age33.036.437.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)57%56%55%
Families w/ Kids under 1854%45%43%
Speak English77%83%79%
Speak Spanish17%12%13%
Thornton, CO has a population of 130,511 and is the 203rd largest city in the United States. The population density is 3,617 per sq mi which is 7165% higher than the Colorado average and 3892% higher than the national average. The median age in Thornton is 33 which is approximately 9% lower than the Colorado average of 36. In Thornton, 57% of the population over 15 years of age are married, 77% speak English and 17% speak Spanish. 53% of Thornton residents were born in Colorado, 34% were born out of state, 1% were born outside of the United States and 13% were foreign born.
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Did you know?

  • The population density in Thornton is 7165% higher than Colorado.
  • The median age in Thornton is 9% lower than Colorado.
  • In Thornton 85.48% of the population is White.
  • In Thornton 1.62% of the population is Black or African American.
  • In Thornton 5.35% of the population is Asian.

Compare Thornton, CO Demographics To Other Cities

Thornton population breakdown by race

RaceThorntonColoradoNational
White85.48%84.28%73.35%
Black or African American1.62%4.09%12.63%
Asian5.35%2.94%5.22%
American Indian0.93%0.94%0.82%
Native Hawaiian0.06%0.14%0.18%
Mixed race3.40%3.43%3.06%
Other race3.15%4.18%4.75%
In Thornton, 32.5% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

Thornton age breakdown

Marital status

Age of children in married couples

Source: The Thornton, CO demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).
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