Where does this data come from?

Name: Population — Seneca, OH (persons)
Creator: U.S. Bureau of Economic Analysis (Regional Economic Accounts)

It is collected directly from U.S. Bureau of Economic Analysis (Regional Economic Accounts) and is available through the Makrognosis API under the code US-OH-39147.POP.A.NSA.

Population — Seneca, OH (persons)

AnnualNot seasonally adjustedCode US-OH-39147.POP.A.NSA

Latest54,730 persons2024

Previous54,628 persons2023

Year ago54,628 persons2023

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.

Population — Seneca, OH (persons) (persons), 1969 – 2024. Source: U.S. Bureau of Economic Analysis (Regional Economic Accounts).

Showing the full history (downsampled for display). Open the interactive chart to zoom and switch transforms.

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

Last 24 observations. The full history (56 observations) is available through the API.

Get Population — Seneca, OH (persons) in your code or spreadsheet

One guessable code, agency-direct, updated on release. Free tier available.

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"]

Get a free API key → · API docs

About this series

Latest observation	2024
First observation	1969
Observations	56
Frequency	Annual
Units	persons
Adjustment	Not seasonally adjusted
10-year high	55,843 persons (2014)
10-year low	54,563 persons (2022)
10-year average	55,172 persons
Source agency	U.S. Bureau of Economic Analysis (Regional Economic Accounts)
Makrognosis code	US-OH-39147.POP.A.NSA

This series is a labelled reference series (an official figure republished by an aggregator) rather than a first print from the agency itself.

Other United States indicators

Unemployment Rate: Seneca County, OH (U)Employment: Seneca County, OH (U)Labor Force: Seneca County, OH (U)Per-Capita Personal Income — Seneca, OH (USD)Personal Income — Seneca, OH (USD thousands)Unemployment: Seneca County, OH (U)

National figure

United States Population, midperiod

FAQ

Where does this data come from?: It is collected directly from U.S. Bureau of Economic Analysis (Regional Economic Accounts) and is available through the Makrognosis API under the code US-OH-39147.POP.A.NSA.

Last updated 2026-07-12. Source: U.S. Bureau of Economic Analysis (Regional Economic Accounts). Original title: “Population — Seneca, OH (persons)”.