# Population — Seneca, OH (persons)

Population — Seneca, OH (persons) was 54,730 persons in 2024, up 0.2% from 2023.
That is the highest reading since 2021.
Over the past ten years it has ranged from 54,563 persons (2022) to 55,843 persons (2014), averaging 55,172 persons.

- Source agency: U.S. Bureau of Economic Analysis (Regional Economic Accounts)
- Makrognosis code: `US-OH-39147.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-seneca-oh

## Recent data

| Period | Value |
|---|---:|
| 2024 | 54,730 persons |
| 2023 | 54,628 persons |
| 2022 | 54,563 persons |
| 2021 | 54,876 persons |
| 2020 | 55,055 persons |
| 2019 | 55,272 persons |
| 2018 | 55,303 persons |
| 2017 | 55,363 persons |
| 2016 | 55,552 persons |
| 2015 | 55,702 persons |
| 2014 | 55,843 persons |
| 2013 | 55,878 persons |
| 2012 | 56,130 persons |
| 2011 | 56,533 persons |
| 2010 | 56,620 persons |
| 2009 | 56,897 persons |
| 2008 | 57,199 persons |
| 2007 | 57,289 persons |
| 2006 | 57,406 persons |
| 2005 | 57,664 persons |
| 2004 | 57,857 persons |
| 2003 | 58,006 persons |
| 2002 | 58,090 persons |
| 2001 | 58,376 persons |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/US-OH-39147.POP.A.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/US-OH-39147.POP.A.NSA",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```