Where does this data come from?

Name: Population — Warren, IA (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-IA-19181.POP.A.NSA.

Population — Warren, IA (persons)

AnnualNot seasonally adjustedCode US-IA-19181.POP.A.NSA

Latest56,343 persons2024

Previous55,298 persons2023

Year ago55,298 persons2023

Population — Warren, IA (persons) was 56,343 persons in 2024, up 1.9% from 2023.

That is the highest reading since the series began in 1969.

Over the past ten years it has ranged from 47,986 persons (2014) to 56,343 persons (2024), averaging 51,979 persons.

Population — Warren, IA (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	56,343 persons
2023	55,298 persons
2022	54,325 persons
2021	53,487 persons
2020	52,591 persons
2019	51,849 persons
2018	51,321 persons
2017	50,322 persons
2016	49,587 persons
2015	48,657 persons
2014	47,986 persons
2013	47,474 persons
2012	46,979 persons
2011	46,694 persons
2010	46,349 persons
2009	45,926 persons
2008	45,450 persons
2007	44,868 persons
2006	44,178 persons
2005	43,339 persons
2004	42,584 persons
2003	42,187 persons
2002	41,422 persons
2001	41,080 persons

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

Get Population — Warren, IA (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-IA-19181.POP.A.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/US-IA-19181.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	56,343 persons (2024)
10-year low	47,986 persons (2014)
10-year average	51,979 persons
Source agency	U.S. Bureau of Economic Analysis (Regional Economic Accounts)
Makrognosis code	US-IA-19181.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: Warren County, IA (U)Employment: Warren County, IA (U)Labor Force: Warren County, IA (U)Per-Capita Personal Income — Warren, IA (USD)Personal Income — Warren, IA (USD thousands)Unemployment: Warren County, IA (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-IA-19181.POP.A.NSA.

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