Makrognosis

Population — Williamson, IL (persons)

AnnualNot seasonally adjustedCode US-IL-17199.POP.A.NSA

Latest67,064 persons2024
Previous66,737 persons2023
Year ago66,737 persons2023

Population — Williamson, IL (persons) was 67,064 persons in 2024, up 0.5% from 2023.

That is the highest reading since 2020.

Over the past ten years it has ranged from 66,565 persons (2022) to 67,921 persons (2016), averaging 67,292 persons.

Population — Williamson, IL (persons) (persons), 1969 – 202445k50k55k60k65k70k197019801990200020102020Robomacro
Population — Williamson, 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
202467,064 persons
202366,737 persons
202266,565 persons
202166,895 persons
202067,121 persons
201967,251 persons
201867,568 persons
201767,560 persons
201667,921 persons
201567,808 persons
201467,723 persons
201367,689 persons
201266,943 persons
201166,828 persons
201066,457 persons
200966,229 persons
200865,674 persons
200765,201 persons
200664,424 persons
200563,875 persons
200463,379 persons
200362,510 persons
200262,137 persons
200161,737 persons

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

Get Population — Williamson, 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-17199.POP.A.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/US-IL-17199.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 high67,921 persons (2016)
10-year low66,565 persons (2022)
10-year average67,292 persons
Source agencyU.S. Bureau of Economic Analysis (Regional Economic Accounts)
Makrognosis codeUS-IL-17199.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: Williamson County, IL (U)Employment: Williamson County, IL (U)Labor Force: Williamson County, IL (U)Per-Capita Personal Income — Williamson, IL (USD)Personal Income — Williamson, IL (USD thousands)Unemployment: Williamson 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-17199.POP.A.NSA.

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