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Population Review

What is the population of Thornton city, CO?

Thornton city, CO has a population of 142,878, according to Census ACS 5-Year estimates. The median age is 34.3 and the median household income is $100,985.

Context

Thornton city is located in Colorado. City population reflects residents within municipal boundaries, not the broader metropolitan area, which often includes several million more people.

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Thornton city, CO has a population of 142,878, according to Census ACS 5-Year estimates. The median age is 34.3 and the median household income is $100,985.