Where does this data come from?

Name: Population — Clay, 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-19041.POP.A.NSA.

Population — Clay, IA (persons)

AnnualNot seasonally adjustedCode US-IA-19041.POP.A.NSA

Latest16,474 persons2024

Previous16,530 persons2023

Year ago16,530 persons2023

Population — Clay, IA (persons) was 16,474 persons in 2024, down 0.3% from 2023.

That is the lowest reading since 2021.

Over the past ten years it has ranged from 16,337 persons (2020) to 16,686 persons (2015), averaging 16,495 persons.

Population — Clay, 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	16,474 persons
2023	16,530 persons
2022	16,506 persons
2021	16,459 persons
2020	16,337 persons
2019	16,425 persons
2018	16,462 persons
2017	16,411 persons
2016	16,524 persons
2015	16,686 persons
2014	16,635 persons
2013	16,556 persons
2012	16,621 persons
2011	16,642 persons
2010	16,642 persons
2009	16,708 persons
2008	16,697 persons
2007	16,725 persons
2006	16,812 persons
2005	16,848 persons
2004	16,960 persons
2003	16,985 persons
2002	17,086 persons
2001	17,256 persons

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

Get Population — Clay, 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-19041.POP.A.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/US-IA-19041.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	16,686 persons (2015)
10-year low	16,337 persons (2020)
10-year average	16,495 persons
Source agency	U.S. Bureau of Economic Analysis (Regional Economic Accounts)
Makrognosis code	US-IA-19041.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: Clay County, IA (U)Employment: Clay County, IA (U)Labor Force: Clay County, IA (U)Per-Capita Personal Income — Clay, IA (USD)Personal Income — Clay, IA (USD thousands)Unemployment: Clay 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-19041.POP.A.NSA.

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