Makrognosis

Population — Marion, IL (persons)

AnnualNot seasonally adjustedCode US-IL-17121.POP.A.NSA

Latest36,437 persons2024
Previous36,640 persons2023
Year ago36,640 persons2023

Population — Marion, IL (persons) was 36,437 persons in 2024, down 0.6% from 2023.

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

Over the past ten years it has ranged from 36,437 persons (2024) to 38,831 persons (2014), averaging 37,726 persons.

Population — Marion, IL (persons) (persons), 1969 – 202436k38k40k42k44k197019801990200020102020Robomacro
Population — Marion, 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

PeriodValue
202436,437 persons
202336,640 persons
202236,878 persons
202137,390 persons
202037,657 persons
201937,870 persons
201837,953 persons
201738,196 persons
201638,436 persons
201538,699 persons
201438,831 persons
201338,882 persons
201239,154 persons
201139,223 persons
201039,431 persons
200939,465 persons
200839,794 persons
200739,898 persons
200640,037 persons
200539,941 persons
200440,229 persons
200340,602 persons
200240,971 persons
200141,393 persons

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

Get Population — Marion, 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-17121.POP.A.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/US-IL-17121.POP.A.NSA",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
Get a free API key → · API docs

About this series

Latest observation2024
First observation1969
Observations56
FrequencyAnnual
Unitspersons
AdjustmentNot seasonally adjusted
10-year high38,831 persons (2014)
10-year low36,437 persons (2024)
10-year average37,726 persons
Source agencyU.S. Bureau of Economic Analysis (Regional Economic Accounts)
Makrognosis codeUS-IL-17121.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, IL (U)Employment: Marion County, IL (U)Labor Force: Marion County, IL (U)Per-Capita Personal Income — Marion, IL (USD)Personal Income — Marion, IL (USD thousands)Unemployment: Marion 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-17121.POP.A.NSA.

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