Denver population
Denver, Colorado had an estimated 740,613 residents on July 1, 2025, the 19th-largest city in the US. That is up 23.4% since the 2010 Census and up 33.7% since 2000.
- Population, July 2025
- 740,613+3.5% since April 2020
- People per sq mile
- 4,838153.1 sq mi of land
- Median age
- 35.312.5% are 65 or older
- Households with kids
- 21.6%with anyone under 18
Population by year, 2000 to 2025
| Year | Population | Change | Basis |
|---|---|---|---|
| 2025 | 740,613 | -978 | Estimate, July 1 |
| 2024 | 741,591 | +14,828 | Estimate, July 1 |
| 2023 | 726,763 | +9,963 | Estimate, July 1 |
| 2022 | 716,800 | +4,644 | Estimate, July 1 |
| 2021 | 712,156 | -3,353 | Estimate, July 1 |
| 2020 | 715,509 | -9,999 | April 2020 estimates base |
| 2019 | 725,508 | +9,168 | Estimate, July 1 |
| 2018 | 716,340 | +11,471 | Estimate, July 1 |
| 2017 | 704,869 | +8,596 | Estimate, July 1 |
| 2016 | 696,273 | +12,945 | Estimate, July 1 |
| 2015 | 683,328 | +18,788 | Estimate, July 1 |
| 2014 | 664,540 | +15,270 | Estimate, July 1 |
| 2013 | 649,270 | +14,305 | Estimate, July 1 |
| 2012 | 634,965 | +14,715 | Estimate, July 1 |
| 2011 | 620,250 | +20,092 | Estimate, July 1 |
| 2010 | 600,158 | +11,147 | 2010 Census (April 1) |
| 2009 | 589,011 | +13,290 | Estimate, July 1 |
| 2008 | 575,721 | +11,326 | Estimate, July 1 |
| 2007 | 564,395 | +7,500 | Estimate, July 1 |
| 2006 | 556,895 | +5,204 | Estimate, July 1 |
| 2005 | 551,691 | +935 | Estimate, July 1 |
| 2004 | 550,756 | -1,832 | Estimate, July 1 |
| 2003 | 552,588 | -4,202 | Estimate, July 1 |
| 2002 | 556,790 | -5,186 | Estimate, July 1 |
| 2001 | 561,976 | +8,171 | Estimate, July 1 |
| 2000 | 553,805 | April 2000 estimates base |
Year-to-year changes across 2010 and 2020 mix census counts with estimates, so small jumps at those years are partly method changes.
Frequently asked questions
What is the population of Denver in 2025?
The Census Bureau estimates Denver had 740,613 residents on July 1, 2025, making it the 19th-largest city in the US.
Is Denver growing?
Yes. Denver has grown 23.4% since the 2010 Census (600,158 people), and grown 3.5% since 2020.
What was the population of Denver in 2000?
About 553,805 (the Census Bureau's April 2000 estimates base). By the 2010 Census it was 600,158.
How dense is Denver?
Denver has about 4,838 people per square mile of land (153.1 square miles).
More about Denver
See cost of living, jobs and commutes in Denver, Denver weather by month, or every Denver ZIP code. For the biggest cities in the country, see the largest US cities.