Where does this data come from?

Name: Population — Marion, 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-19125.POP.A.NSA.

Population — Marion, IA (persons)

AnnualNot seasonally adjustedCode US-IA-19125.POP.A.NSA

Latest34,048 persons2024

Previous33,718 persons2023

Year ago33,718 persons2023

Population — Marion, IA (persons) was 34,048 persons in 2024, up 1.0% from 2023.

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

Over the past ten years it has ranged from 33,240 persons (2015) to 34,048 persons (2024), averaging 33,483 persons.

Population — Marion, 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	34,048 persons
2023	33,718 persons
2022	33,582 persons
2021	33,450 persons
2020	33,414 persons
2019	33,487 persons
2018	33,435 persons
2017	33,269 persons
2016	33,297 persons
2015	33,240 persons
2014	33,375 persons
2013	33,092 persons
2012	33,327 persons
2011	33,302 persons
2010	33,230 persons
2009	33,468 persons
2008	33,515 persons
2007	33,279 persons
2006	33,396 persons
2005	32,774 persons
2004	32,618 persons
2003	32,547 persons
2002	32,572 persons
2001	32,583 persons

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

Get Population — Marion, 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-19125.POP.A.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/US-IA-19125.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	34,048 persons (2024)
10-year low	33,240 persons (2015)
10-year average	33,483 persons
Source agency	U.S. Bureau of Economic Analysis (Regional Economic Accounts)
Makrognosis code	US-IA-19125.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: Marion County, IA (U)Employment: Marion County, IA (U)Labor Force: Marion County, IA (U)Per-Capita Personal Income — Marion, IA (USD)Personal Income — Marion, IA (USD thousands)Unemployment: Marion 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-19125.POP.A.NSA.

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