Where does this data come from?

Name: Population — McHenry, 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-17111.POP.A.NSA.

Population — McHenry, IL (persons)

AnnualNot seasonally adjustedCode US-IL-17111.POP.A.NSA

Latest315,959 persons2024

Previous313,435 persons2023

Year ago313,435 persons2023

Population — McHenry, IL (persons) was 315,959 persons in 2024, up 0.8% from 2023.

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

Over the past ten years it has ranged from 309,052 persons (2014) to 315,959 persons (2024), averaging 311,277 persons.

Population — McHenry, 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	315,959 persons
2023	313,435 persons
2022	311,921 persons
2021	311,669 persons
2020	309,973 persons
2019	310,979 persons
2018	311,302 persons
2017	310,617 persons
2016	309,534 persons
2015	309,604 persons
2014	309,052 persons
2013	308,873 persons
2012	309,109 persons
2011	308,997 persons
2010	309,216 persons
2009	308,067 persons
2008	307,246 persons
2007	305,117 persons
2006	300,630 persons
2005	294,280 persons
2004	287,997 persons
2003	281,743 persons
2002	274,441 persons
2001	267,632 persons

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

Get Population — McHenry, 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-17111.POP.A.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/US-IL-17111.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	315,959 persons (2024)
10-year low	309,052 persons (2014)
10-year average	311,277 persons
Source agency	U.S. Bureau of Economic Analysis (Regional Economic Accounts)
Makrognosis code	US-IL-17111.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: McHenry County, IL (U)Employment: McHenry County, IL (U)Labor Force: McHenry County, IL (U)Per-Capita Personal Income — McHenry, IL (USD)Personal Income — McHenry, IL (USD thousands)Unemployment: McHenry 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-17111.POP.A.NSA.

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