Where does this data come from?

Name: Population — Clark, IL (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-IL-17023.POP.A.NSA.

Population — Clark, IL (persons)

AnnualNot seasonally adjustedCode US-IL-17023.POP.A.NSA

Latest15,076 persons2024

Previous15,218 persons2023

Year ago15,218 persons2023

Population — Clark, IL (persons) was 15,076 persons in 2024, down 0.9% from 2023.

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

Over the past ten years it has ranged from 15,076 persons (2024) to 16,111 persons (2014), averaging 15,591 persons.

Population — Clark, IL (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	15,076 persons
2023	15,218 persons
2022	15,211 persons
2021	15,375 persons
2020	15,448 persons
2019	15,575 persons
2018	15,692 persons
2017	15,911 persons
2016	15,935 persons
2015	15,944 persons
2014	16,111 persons
2013	16,144 persons
2012	16,292 persons
2011	16,220 persons
2010	16,294 persons
2009	16,431 persons
2008	16,634 persons
2007	16,682 persons
2006	16,669 persons
2005	16,728 persons
2004	16,718 persons
2003	16,750 persons
2002	16,844 persons
2001	16,829 persons

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

Get Population — Clark, IL (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-IL-17023.POP.A.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/US-IL-17023.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	16,111 persons (2014)
10-year low	15,076 persons (2024)
10-year average	15,591 persons
Source agency	U.S. Bureau of Economic Analysis (Regional Economic Accounts)
Makrognosis code	US-IL-17023.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: Clark County, IL (U)Employment: Clark County, IL (U)Labor Force: Clark County, IL (U)Per-Capita Personal Income — Clark, IL (USD)Personal Income — Clark, IL (USD thousands)Unemployment: Clark County, IL (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-IL-17023.POP.A.NSA.

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