COLORADO
HISTORIC & PROJECTED GROWTH 1790 TO 2050
Sources: Census figures from U.S. Bureau of the Census & *Estimates from Weldon Cooper Center, Demographics Research Group
COLORADO POPULATION DENSITY
Colorado Land Area - 103,642 square miles
YEAR | PEOPLE PER SQUARE MILE |
|---|---|
2020 | 55.7 |
2010 | 48.5 |
2000 | 41.5 |
1990 | 31.8 |
1980 | 27.9 |
1970 | 21.3 |
1960 | 16.9 |
1950 | 12.8 |
1940 | 10.8 |
1930 | 10.0 |
1920 | 9.1 |
1910 | 7.7 |
SOURCE: U.S. Bureau of the Census
Colorado Population News Articles
Deportation flights hit new high in Colorado, part of nationwide immigration crackdown – Dec 1, 2025
Tiny Colorado Town Among the Fastest Growing in America – Nov 25, 2025
Colorado to set new greenhouse gas emissions requirements – Nov 13, 2025
Colorado launches rebates for electric kitchen ranges, other appliances – Nov 13, 2025
A Colorado River deadline looms, here is what’s at stake for Colorado – Nov 10, 2025
Colorado's coal plant closures not affected by EPA proposal – Aug 8, 2025
Toxic insecticides are showing up in Colorado water at staggering levels – July 21, 2025
Fewer judges serving backlogged Colorado immigration courts after firings and severance offers – July 21, 2025
Colorado town services stretched thin as population quickly increases – July 21, 2025
After years of high growth, Colorado's population growth is slowing down – July 16, 2025
Be Air Aware and Prepared – July 16, 2025
Report: Immigrants pose challenges for Colorado hospitals, schools statewide – Jan 30, 2025
What Trump’s executive orders signal about the future of climate action and public lands in Colorado – Jan 27, 2025
Colorado identifies its top five toxic air contaminants. Next comes rules to regulate them. – Jan 23, 2025
Climate Jobs Institute Launches Colorado Report – Jan 16, 2025
New data shows how Colorado grew during the pandemic – Jan 7, 2025
New law could finally address thousands of abandoned mines leaking pollution into Colorado water – Jan 6, 2025
Air on Colorado's Front Range was more polluted than usual this summer—and wildfires were not to blame – Sept 26, 2024
Is Boulder the best place to weather climate change? No, but it’s not the worst. – Sept 26, 2024
Thousands of abandoned mines in Colorado are leaking toxic water, but Congress finally has a solution in sight – Sept 25, 2024
Colorado town claims it has slashed panhandling and homelessness by erecting sign with blunt three-word message – Sept 23, 2024
Cowboys and conservationists team up to protect Colorado lands – Sept 19, 2024
Venezuela's political unrest could mean more immigrants in Denver – July 29, 2024
Climate change is behind rising metal and acid pollution in Colorado's mountain rivers – July 29, 2024
Denver and northern Front Range fail to meet another federal air quality benchmark – July 26, 2024
Colorado group wants to protect public lands from over-crowding – July 16, 2024
Climate change is making Colorado heat waves more likely — and more likely to be extreme – July 11, 2024
Thousands Expected to Move to This Surprising Colorado Town – July 2, 2024
New climate report released for Colorado; state warmed by 1.5 degrees – Jan 9, 2024
Denver’s migrant influx soars to highest per capita in the nation as city cleans up encampment, Democrats demand federal help – Jan 3, 2024
Colorado population growth bouncing back, but not as much as forecast – Dec 27, 2023
Colorado sets new regulations on gas-powered lawn tools. Clean air advocates say they don’t go far enough – Dec 15, 2023
Colorado ranks dead last for housing competitiveness: report – Dec 12, 2023
40 million people share the shrinking Colorado River. Here’s how that water gets divvied up. – August 14, 2023
Colorado’s Next Big Climate Solution Is Reducing Industry Emissions – August 13, 2023
An arts oasis on Colorado’s high plains is reckoning with changing climates of all kinds – August 11, 2023
Environmental Groups Ask to Join EPA Fight Against Colorado Effort to Hide Air-Pollution Data – August 9, 2023
Colorado pays tens of millions to cover health insurance of undocumented immigrants in inaugural year of operation - July 27, 2023
Colorado’s drought is back after only a short reprieve – July 26, 2023
As Drought Hits Farms, Investors Lay Claim to Colorado Water – August 10, 2022
Charts that explain why it’s so hard to cut Colorado ozone – August 29, 2022
Microplastics are seemingly everywhere — including Colorado’s snowpack – July 31, 2022
Officially, heat deaths are not very common in Colorado. The reality is more complicated. – August 1, 2022
Crime & Housing Among Factors Dragging Mile High City Down On List Of Best Places To Live – May 17, 2022
Green Lawns Of Summer Likely To Fade In Colorado – May 10, 2022
How Colorado’s changing climate is putting children’s health at risk – May 12, 2022
Summer wildfires in Pacific Northwest affecting Colorado's carbon monoxide levels, scientists say – May 13, 2022
It’s been unusually windy this spring. Here’s why you should care – May 12, 2022
Race against Climate Change and Water Stress in Colorado – January 20, 2022
Many people on the Front Range depend on water from the Denver Basin. But the underground supply isn’t infinite – January 19, 2022
Colorado looks to expand building codes as climate change increases risk of wildfires - January 19, 2022
High temperatures drove Colorado Springs bad air days in 2021 – December 29, 2021
Denver is experiencing an ‘extreme’ drought. What does that mean, exactly? – December 16, 2021
Environmentalists want stronger transportation-planning rule as officials tweak proposal – October 22, 2021
A Megadrought Is Hurting Colorado Farmers – October 4, 2021
People are flocking to Colorado for the great outdoors, but the air pollution is so bad, it's forcing many to stay inside – October 2, 2021
Colorado’s glaciers continue to shrink with hotter summers – September 27, 2021
Fastest-growing counties in Colorado – September 23, 2021
Hazy Skies Over Downtown Denver Could Become A Regular Thing During The Summer – August 5, 2021
CU Boulder study finds main cause of tree deaths in Colorado's subalpine forests is hot, dry summers – August 4, 2021
As Colorado drought cuts hay crop, cattle ranchers face decision about culling their herds – July 26, 2021
Colorado Springs home prices set more record highs; average price tops $500K – July 16, 2021
Trout habitat will be lost in western Colorado drought – July 8, 2021
Study: Mass bird deaths in Colorado due to toxic gases from wildfires – April 22, 2021
Colorado’s flood risks are on the rise, and consumers will pay for it - April 13, 2021
Colorado Springs, Aurora approved to perform exploratory drilling for new reservoir in the White River National Forest – April 5, 2021
Colorado’s big peaks are getting hammered; CFI is here to help – April 3, 2021
Colorado unveils climate plan to cut heat-trapping air pollution by 90% - January 15, 2021
Colorado’s Front Range urban boom may explain spike in traffic deaths – January 12, 2021
Colorado Approves $110M Transportation Electrification Plan – January 12, 2021
In 2020, Colorado Saw One Of Its Driest And Warmest Years Ever Recorded – January 9, 2021