Makrognosis

Population — Cook, IL (persons)

AnnualNot seasonally adjustedCode US-IL-17031.POP.A.NSA

Latest5,182,617 persons2024
Previous5,142,522 persons2023
Year ago5,142,522 persons2023

Population — Cook, IL (persons) was 5,182,617 persons in 2024, up 0.8% from 2023.

That is the highest reading since 2021.

Over the past ten years it has ranged from 5,133,106 persons (2022) to 5,324,328 persons (2015), averaging 5,251,989 persons.

Population — Cook, IL (persons) (persons), 1969 – 20245.1M5.2M5.3M5.4M5.5M197019801990200020102020Robomacro
Population — Cook, 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
20245,182,617 persons
20235,142,522 persons
20225,133,106 persons
20215,185,134 persons
20205,267,072 persons
20195,287,983 persons
20185,298,250 persons
20175,311,411 persons
20165,319,801 persons
20155,324,328 persons
20145,319,651 persons
20135,302,642 persons
20125,273,820 persons
20115,238,894 persons
20105,202,820 persons
20095,181,728 persons
20085,161,831 persons
20075,154,235 persons
20065,165,495 persons
20055,207,615 persons
20045,252,021 persons
20035,294,739 persons
20025,328,775 persons
20015,360,562 persons

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

Get Population — Cook, 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-17031.POP.A.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/US-IL-17031.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 high5,324,328 persons (2015)
10-year low5,133,106 persons (2022)
10-year average5,251,989 persons
Source agencyU.S. Bureau of Economic Analysis (Regional Economic Accounts)
Makrognosis codeUS-IL-17031.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: Cook County, IL (U)Employment: Cook County, IL (U)Labor Force: Cook County, IL (U)Per-Capita Personal Income — Cook, IL (USD)Personal Income — Cook, IL (USD thousands)Unemployment: Cook 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-17031.POP.A.NSA.

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