Where does this data come from?

Name: Population — Ottawa, 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-39123.POP.A.NSA.

Population — Ottawa, OH (persons)

AnnualNot seasonally adjustedCode US-OH-39123.POP.A.NSA

Latest39,692 persons2024

Previous39,819 persons2023

Year ago39,819 persons2023

Population — Ottawa, OH (persons) was 39,692 persons in 2024, down 0.3% from 2023.

That is the lowest reading since 1987.

Over the past ten years it has ranged from 39,692 persons (2024) to 40,914 persons (2014), averaging 40,386 persons.

Population — Ottawa, 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	39,692 persons
2023	39,819 persons
2022	39,984 persons
2021	40,175 persons
2020	40,298 persons
2019	40,550 persons
2018	40,834 persons
2017	40,666 persons
2016	40,543 persons
2015	40,771 persons
2014	40,914 persons
2013	41,047 persons
2012	41,250 persons
2011	41,326 persons
2010	41,359 persons
2009	41,498 persons
2008	41,554 persons
2007	41,690 persons
2006	41,641 persons
2005	41,629 persons
2004	41,564 persons
2003	41,329 persons
2002	41,029 persons
2001	41,015 persons

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

Get Population — Ottawa, 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-39123.POP.A.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/US-OH-39123.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	40,914 persons (2014)
10-year low	39,692 persons (2024)
10-year average	40,386 persons
Source agency	U.S. Bureau of Economic Analysis (Regional Economic Accounts)
Makrognosis code	US-OH-39123.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: Ottawa County, OH (U)Employment: Ottawa County, OH (U)Labor Force: Ottawa County, OH (U)Per-Capita Personal Income — Ottawa, OH (USD)Personal Income — Ottawa, OH (USD thousands)Unemployment: Ottawa 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-39123.POP.A.NSA.

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