# Population — Marion, IL (persons)

Population — Marion, IL (persons) was 36,437 persons in 2024, down 0.6% from 2023.
That is the lowest reading since the series began in 1969.
Over the past ten years it has ranged from 36,437 persons (2024) to 38,831 persons (2014), averaging 37,726 persons.

- Source agency: U.S. Bureau of Economic Analysis (Regional Economic Accounts)
- Makrognosis code: `US-IL-17121.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-marion-il

## Recent data

| Period | Value |
|---|---:|
| 2024 | 36,437 persons |
| 2023 | 36,640 persons |
| 2022 | 36,878 persons |
| 2021 | 37,390 persons |
| 2020 | 37,657 persons |
| 2019 | 37,870 persons |
| 2018 | 37,953 persons |
| 2017 | 38,196 persons |
| 2016 | 38,436 persons |
| 2015 | 38,699 persons |
| 2014 | 38,831 persons |
| 2013 | 38,882 persons |
| 2012 | 39,154 persons |
| 2011 | 39,223 persons |
| 2010 | 39,431 persons |
| 2009 | 39,465 persons |
| 2008 | 39,794 persons |
| 2007 | 39,898 persons |
| 2006 | 40,037 persons |
| 2005 | 39,941 persons |
| 2004 | 40,229 persons |
| 2003 | 40,602 persons |
| 2002 | 40,971 persons |
| 2001 | 41,393 persons |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/US-IL-17121.POP.A.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/US-IL-17121.POP.A.NSA",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```