# Population — Cass, IL (persons)

Population — Cass, IL (persons) was 12,713 persons in 2024, down 0.5% from 2023.
That is the lowest reading since 2022.
Over the past ten years it has ranged from 12,672 persons (2022) to 13,519 persons (2014), averaging 13,067 persons.

- Source agency: U.S. Bureau of Economic Analysis (Regional Economic Accounts)
- Makrognosis code: `US-IL-17017.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-cass-il

## Recent data

| Period | Value |
|---|---:|
| 2024 | 12,713 persons |
| 2023 | 12,779 persons |
| 2022 | 12,672 persons |
| 2021 | 12,778 persons |
| 2020 | 12,976 persons |
| 2019 | 13,099 persons |
| 2018 | 13,208 persons |
| 2017 | 13,276 persons |
| 2016 | 13,325 persons |
| 2015 | 13,387 persons |
| 2014 | 13,519 persons |
| 2013 | 13,629 persons |
| 2012 | 13,660 persons |
| 2011 | 13,754 persons |
| 2010 | 13,658 persons |
| 2009 | 13,623 persons |
| 2008 | 13,660 persons |
| 2007 | 13,699 persons |
| 2006 | 13,611 persons |
| 2005 | 13,670 persons |
| 2004 | 13,640 persons |
| 2003 | 13,674 persons |
| 2002 | 13,549 persons |
| 2001 | 13,677 persons |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/US-IL-17017.POP.A.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/US-IL-17017.POP.A.NSA",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```