Population — Colorado
AnnualNot seasonally adjustedCode US-CO.POP.A.NSA
Population — Colorado was 6,012,561 persons in 2025, up 0.4% from 2024.
That is the highest reading since the series began in 1929.
Over the past ten years it has ranged from 5,441,452 persons (2015) to 6,012,561 persons (2025), averaging 5,759,110 persons.
Showing the full history (downsampled for display). Open the interactive chart to zoom and switch transforms.
Recent data
| Period | Value |
|---|---|
| 2025 | 6,012,561 persons |
| 2024 | 5,988,502 persons |
| 2023 | 5,912,240 persons |
| 2022 | 5,853,355 persons |
| 2021 | 5,814,368 persons |
| 2020 | 5,786,873 persons |
| 2019 | 5,735,797 persons |
| 2018 | 5,676,918 persons |
| 2017 | 5,599,635 persons |
| 2016 | 5,528,510 persons |
| 2015 | 5,441,452 persons |
| 2014 | 5,342,212 persons |
| 2013 | 5,262,801 persons |
| 2012 | 5,188,139 persons |
| 2011 | 5,118,837 persons |
| 2010 | 5,046,928 persons |
| 2009 | 4,972,195 persons |
| 2008 | 4,889,730 persons |
| 2007 | 4,803,868 persons |
| 2006 | 4,720,423 persons |
| 2005 | 4,631,888 persons |
| 2004 | 4,575,013 persons |
| 2003 | 4,528,732 persons |
| 2002 | 4,490,406 persons |
Last 24 observations. The full history (97 observations) is available through the API.
One guessable code, agency-direct, updated on release. Free tier available.
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
"https://makrognosis.robomacro.com/v1/series/US-CO.POP.A.NSA"
# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/US-CO.POP.A.NSA",
headers={"X-API-Key": KEY})
obs = r.json()["observations"]
Get a free API key → · API docsAbout this series
| Latest observation | 2025 |
|---|---|
| First observation | 1929 |
| Observations | 97 |
| Frequency | Annual |
| Units | persons |
| Adjustment | Not seasonally adjusted |
| 10-year high | 6,012,561 persons (2025) |
| 10-year low | 5,441,452 persons (2015) |
| 10-year average | 5,759,110 persons |
| Source agency | U.S. Bureau of Economic Analysis (Regional Economic Accounts) |
| Makrognosis code | US-CO.POP.A.NSA |
This series is a labelled reference series (an official figure republished by an aggregator) rather than a first print from the agency itself.
Other United States indicators
National figure
FAQ
- Where does this data come from?
- It is collected directly from U.S. Bureau of Economic Analysis (Regional Economic Accounts) and is available through the Makrognosis API under the code US-CO.POP.A.NSA.
Last updated 2026-07-12. Source: U.S. Bureau of Economic Analysis (Regional Economic Accounts). Original title: “Population — Colorado”.