Colorado projected population growth from 2025 through 2035

Colorado, the Centennial State, is renowned for its breathtaking Rocky Mountain landscapes, outdoor recreation opportunities, and thriving cultural scene. From the ski slopes of Aspen to the vibrant streets of Denver, Colorado offers a high quality of life amidst stunning natural beauty. With a booming economy driven by industries such as technology, aerospace, and outdoor gear, Colorado continues to attract young professionals and outdoor enthusiasts seeking adventure and opportunity.

Colorado forecasted population

Aterio data team has developed an AI enhanced model that helps organizations understand the forecasted growth of population in Colorado for years 2025 through 2035.

Population Growth Rate (Year over Year)

Population and year-over-year growth rate by year
YearPopulationGrowth rate
20205,775,324Not applicable
20215,814,0360.67%
20225,850,9350.63%
20235,901,3390.86%
20245,957,4930.95%
20256,065,6881.82%
20266,118,5460.87%
20276,174,2470.91%
20286,232,7760.95%
20296,293,2330.97%
20306,355,4980.99%
20316,403,7580.76%
20326,453,8550.78%
20336,505,1060.79%
20346,557,9670.81%
20356,612,1710.83%
Last update at Tue Sep 29 2026

Zip code level csv report on population forecast and economic development in Colorado

Our team has created a comprehensive report on population forecast and economic development by zip code using our proprietary AI models.

Top 10 most populated cities in Colorado

Our model provides a detailed 2025 through 2035 forecasted population growth for every city and zip code in Colorado.

City

2020 census

2025 population

2030 population

2035 population

Open
Denver715,513744,647784,402821,585View city insights, Denver
Colorado Springs480,378502,388527,160547,874View city insights, Colorado Springs
Aurora386,333411,267432,558451,820View city insights, Aurora
Fort Collins169,826174,574187,053199,268View city insights, Fort Collins
Thornton141,865149,283158,788167,817View city insights, Thornton
Arvada124,354123,568125,580126,960View city insights, Arvada
Westminster116,654117,328123,583129,409View city insights, Westminster
Pueblo111,868112,311114,149115,550View city insights, Pueblo
Greeley108,809117,537131,273145,067View city insights, Greeley
Boulder108,556108,695113,373117,633View city insights, Boulder

Looking for granular data to embed in your applications or data pipelines?

Explore our U.S. forecasted population data by state, county, city, and zip code. And request your free data sample today.

Explore dataset