Where does this data come from?

Name: Population — Iowa
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.POP.A.NSA.

Population — Iowa

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

Latest3,238,387 persons2025

Previous3,230,454 persons2024

Year ago3,230,454 persons2024

Population — Iowa was 3,238,387 persons in 2025, up 0.2% from 2024.

That is the highest reading since the series began in 1929.

Over the past ten years it has ranged from 3,136,310 persons (2015) to 3,238,387 persons (2025), averaging 3,189,060 persons.

Population — Iowa (persons), 1929 – 2025. 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
2025	3,238,387 persons
2024	3,230,454 persons
2023	3,214,739 persons
2022	3,201,890 persons
2021	3,199,037 persons
2020	3,191,081 persons
2019	3,183,858 persons
2018	3,171,540 persons
2017	3,162,752 persons
2016	3,149,607 persons
2015	3,136,310 persons
2014	3,121,790 persons
2013	3,102,460 persons
2012	3,082,748 persons
2011	3,070,048 persons
2010	3,051,473 persons
2009	3,032,870 persons
2008	3,016,734 persons
2007	2,999,212 persons
2006	2,982,644 persons
2005	2,964,454 persons
2004	2,953,635 persons
2003	2,941,999 persons
2002	2,934,234 persons

Last 24 observations. The full history (97 observations) is available through the API.

Get Population — Iowa 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.POP.A.NSA"

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

Get a free API key → · API docs

About this series

Latest observation	2025
First observation	1929
Observations	97
Frequency	Annual
Units	persons
Adjustment	Not seasonally adjusted
10-year high	3,238,387 persons (2025)
10-year low	3,136,310 persons (2015)
10-year average	3,189,060 persons
Source agency	U.S. Bureau of Economic Analysis (Regional Economic Accounts)
Makrognosis code	US-IA.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

Real GDP — Iowa (chained 2017 USD mn (SAAR))Iowa Unemployment Rate Iowa Unemployment Rate Iowa Employment (household survey)Iowa Employment (household survey)All Employees: Total Nonfarm — IA (statewide) (NSA)All Employees: Total Nonfarm — IA (statewide) (SA)House Price Index — Iowa (all-transactions, NSA)Iowa Labor Force Iowa Labor Force Iowa Unemployment Level Iowa Unemployment Level Per-Capita Personal Income — Iowa Per-Capita Personal Income — Iowa (quarterly, SAAR)Personal Income — Iowa Personal Income — Iowa (quarterly, SAAR)

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.POP.A.NSA.

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