Where does this data come from?

Name: Population — Polk, 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-19153.POP.A.NSA.

Population — Polk, IA (persons)

AnnualNot seasonally adjustedCode US-IA-19153.POP.A.NSA

Latest516,185 persons2024

Previous507,487 persons2023

Year ago507,487 persons2023

Population — Polk, IA (persons) was 516,185 persons in 2024, up 1.7% from 2023.

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

Over the past ten years it has ranged from 460,515 persons (2014) to 516,185 persons (2024), averaging 488,363 persons.

Population — Polk, 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	516,185 persons
2023	507,487 persons
2022	501,261 persons
2021	497,903 persons
2020	493,039 persons
2019	489,825 persons
2018	485,146 persons
2017	480,017 persons
2016	473,778 persons
2015	466,832 persons
2014	460,515 persons
2013	452,356 persons
2012	444,460 persons
2011	438,620 persons
2010	432,327 persons
2009	425,737 persons
2008	419,495 persons
2007	413,024 persons
2006	405,990 persons
2005	399,030 persons
2004	392,164 persons
2003	388,277 persons
2002	384,355 persons
2001	380,108 persons

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

Get Population — Polk, 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-19153.POP.A.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/US-IA-19153.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	516,185 persons (2024)
10-year low	460,515 persons (2014)
10-year average	488,363 persons
Source agency	U.S. Bureau of Economic Analysis (Regional Economic Accounts)
Makrognosis code	US-IA-19153.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: Polk County, IA (U)Employment: Polk County, IA (U)Labor Force: Polk County, IA (U)Per-Capita Personal Income — Polk, IA (USD)Personal Income — Polk, IA (USD thousands)Unemployment: Polk 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-19153.POP.A.NSA.

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