# Population — Jefferson, CO (persons)

Population — Jefferson, CO (persons) was 578,533 persons in 2024, up 0.1% from 2023.
That is the highest reading since 2021.
Over the past ten years it has ranged from 558,887 persons (2014) to 583,169 persons (2020), averaging 575,445 persons.

- Source agency: U.S. Bureau of Economic Analysis (Regional Economic Accounts)
- Makrognosis code: `US-CO-08059.POP.A.NSA`
- Frequency: annual
- Units: persons
- Coverage: 1969-01-01 to 2024-01-01 (56 observations)
- Page: https://makrognosis.robomacro.com/data/united-states/population-jefferson-co

## Recent data

| Period | Value |
|---|---:|
| 2024 | 578,533 persons |
| 2023 | 577,693 persons |
| 2022 | 576,635 persons |
| 2021 | 580,854 persons |
| 2020 | 583,169 persons |
| 2019 | 582,340 persons |
| 2018 | 579,617 persons |
| 2017 | 575,680 persons |
| 2016 | 571,512 persons |
| 2015 | 564,978 persons |
| 2014 | 558,887 persons |
| 2013 | 552,080 persons |
| 2012 | 546,624 persons |
| 2011 | 540,520 persons |
| 2010 | 535,555 persons |
| 2009 | 531,961 persons |
| 2008 | 529,003 persons |
| 2007 | 524,911 persons |
| 2006 | 521,662 persons |
| 2005 | 519,675 persons |
| 2004 | 520,900 persons |
| 2003 | 524,940 persons |
| 2002 | 527,851 persons |
| 2001 | 530,651 persons |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/US-CO-08059.POP.A.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/US-CO-08059.POP.A.NSA",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```