# Population — O'Brien, IA (persons)

Population — O'Brien, IA (persons) was 14,260 persons in 2024, up 1.4% from 2023.
That is the highest reading since 2011.
Over the past ten years it has ranged from 14,048 persons (2021) to 14,260 persons (2024), averaging 14,160 persons.

- Source agency: U.S. Bureau of Economic Analysis (Regional Economic Accounts)
- Makrognosis code: `US-IA-19141.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-o-brien-ia

## Recent data

| Period | Value |
|---|---:|
| 2024 | 14,260 persons |
| 2023 | 14,067 persons |
| 2022 | 14,107 persons |
| 2021 | 14,048 persons |
| 2020 | 14,149 persons |
| 2019 | 14,221 persons |
| 2018 | 14,185 persons |
| 2017 | 14,111 persons |
| 2016 | 14,209 persons |
| 2015 | 14,168 persons |
| 2014 | 14,240 persons |
| 2013 | 14,196 persons |
| 2012 | 14,257 persons |
| 2011 | 14,274 persons |
| 2010 | 14,417 persons |
| 2009 | 14,412 persons |
| 2008 | 14,332 persons |
| 2007 | 14,421 persons |
| 2006 | 14,558 persons |
| 2005 | 14,552 persons |
| 2004 | 14,564 persons |
| 2003 | 14,762 persons |
| 2002 | 14,808 persons |
| 2001 | 14,950 persons |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/US-IA-19141.POP.A.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/US-IA-19141.POP.A.NSA",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```