# Population — Jefferson, IL (persons)

Population — Jefferson, IL (persons) was 36,107 persons in 2024, down 0.6% from 2023.
That is the lowest reading since 1979.
Over the past ten years it has ranged from 36,107 persons (2024) to 38,283 persons (2014), averaging 37,278 persons.

- Source agency: U.S. Bureau of Economic Analysis (Regional Economic Accounts)
- Makrognosis code: `US-IL-17081.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-il

## Recent data

| Period | Value |
|---|---:|
| 2024 | 36,107 persons |
| 2023 | 36,331 persons |
| 2022 | 36,415 persons |
| 2021 | 36,899 persons |
| 2020 | 37,000 persons |
| 2019 | 37,404 persons |
| 2018 | 37,498 persons |
| 2017 | 37,877 persons |
| 2016 | 38,080 persons |
| 2015 | 38,159 persons |
| 2014 | 38,283 persons |
| 2013 | 38,575 persons |
| 2012 | 38,616 persons |
| 2011 | 38,727 persons |
| 2010 | 38,750 persons |
| 2009 | 38,970 persons |
| 2008 | 39,277 persons |
| 2007 | 39,412 persons |
| 2006 | 39,545 persons |
| 2005 | 39,624 persons |
| 2004 | 39,638 persons |
| 2003 | 39,730 persons |
| 2002 | 39,805 persons |
| 2001 | 39,874 persons |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/US-IL-17081.POP.A.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/US-IL-17081.POP.A.NSA",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```