# Population — Ohio

Population — Ohio was 11,900,510 persons in 2025, up 0.3% from 2024.
That is the highest reading since the series began in 1929.
Over the past ten years it has ranged from 11,674,622 persons (2015) to 11,900,510 persons (2025), averaging 11,778,288 persons.

- Source agency: U.S. Bureau of Economic Analysis (Regional Economic Accounts)
- Makrognosis code: `US-OH.POP.A.NSA`
- Frequency: annual
- Units: persons
- Coverage: 1929-01-01 to 2025-01-01 (97 observations)
- Page: https://makrognosis.robomacro.com/data/united-states/population-ohio

## Recent data

| Period | Value |
|---|---:|
| 2025 | 11,900,510 persons |
| 2024 | 11,860,621 persons |
| 2023 | 11,808,390 persons |
| 2022 | 11,764,950 persons |
| 2021 | 11,761,443 persons |
| 2020 | 11,798,534 persons |
| 2019 | 11,788,679 persons |
| 2018 | 11,763,104 persons |
| 2017 | 11,737,959 persons |
| 2016 | 11,702,354 persons |
| 2015 | 11,674,622 persons |
| 2014 | 11,648,921 persons |
| 2013 | 11,612,081 persons |
| 2012 | 11,573,400 persons |
| 2011 | 11,558,178 persons |
| 2010 | 11,541,932 persons |
| 2009 | 11,528,896 persons |
| 2008 | 11,515,391 persons |
| 2007 | 11,500,468 persons |
| 2006 | 11,481,213 persons |
| 2005 | 11,463,320 persons |
| 2004 | 11,452,251 persons |
| 2003 | 11,434,788 persons |
| 2002 | 11,407,889 persons |

## API

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

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