Makrognosis

Population — Piatt, IL (persons)

AnnualNot seasonally adjustedCode US-IL-17147.POP.A.NSA

Latest16,628 persons2024
Previous16,720 persons2023
Year ago16,720 persons2023

Population — Piatt, IL (persons) was 16,628 persons in 2024, down 0.6% from 2023.

That is the lowest reading since 2015.

Over the past ten years it has ranged from 16,519 persons (2015) to 16,764 persons (2021), averaging 16,655 persons.

Population — Piatt, IL (persons) (persons), 1969 – 202415.0k15.5k16.0k16.5k17.0k197019801990200020102020Robomacro
Population — Piatt, 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
202416,628 persons
202316,720 persons
202216,678 persons
202116,764 persons
202016,683 persons
201916,678 persons
201816,631 persons
201716,652 persons
201616,704 persons
201516,519 persons
201416,546 persons
201316,537 persons
201216,575 persons
201116,722 persons
201016,718 persons
200916,774 persons
200816,716 persons
200716,664 persons
200616,682 persons
200516,649 persons
200416,463 persons
200316,375 persons
200216,216 persons
200116,357 persons

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

Get Population — Piatt, 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-17147.POP.A.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/US-IL-17147.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 high16,764 persons (2021)
10-year low16,519 persons (2015)
10-year average16,655 persons
Source agencyU.S. Bureau of Economic Analysis (Regional Economic Accounts)
Makrognosis codeUS-IL-17147.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: Piatt County, IL (U)Employment: Piatt County, IL (U)Labor Force: Piatt County, IL (U)Per-Capita Personal Income — Piatt, IL (USD)Personal Income — Piatt, IL (USD thousands)Unemployment: Piatt 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-17147.POP.A.NSA.

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