What is the population of Custer?

The population of Custer, IL is 1,341.

Where is Custer located?

Custer, IL is located at latitude 41.0372600 and longitude -89.1536900. It is in United States.

What is the elevation of Custer?

Custer, IL has an elevation of 211 meters (692 feet) above sea level.

What time zone is Custer in?

Custer, IL is in the America/Chicago time zone.

What state is Custer in?

Custer is in the state of Illinois, United States.

What county is Custer, IL in?

Custer is in Marshall County, Illinois.

How has the population of Custer changed?

The population of Custer, IL has decreased from 1,430 (2010) to 1,341 (2020), a change of -6.2%.

Custer, IL - Geographic Facts & Maps

Custer: settlement in Sangamon County, Illinois.

About

Custer is a city located in the county of Marshall in the U.S. state of Illinois. Its population at the 2010 census was 1,430. After 10 years in 2020 city had an estimated population of 1,341 inhabitants.

Quick Facts about Custer

Population	1,341 (2020)
Country	United States of America
State	Illinois (United States)
County	Marshall County
Latitude & Longitude	41.0373,-89.1537
Time Zone	America/Chicago
Local time	12:36:31 (2nd November 2026)
Population growth	-6.22% (2010-2020)
Weather	65℉ Mostly Cloudy 7-days weather

Geography

Custer is located at 41°2'14"N 89°9'13"W (41.0372600, -89.1536900).

Custer map

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Weather

65°F

Mostly Cloudy

14 mph SSE This Afternoon

Mostly cloudy, with a high near 65. South southeast wind around 14 mph, with gusts as high as 23 mph.

7-Day Forecast

Demographics

According to census records, the population of Custer decreased by 6.22% in 10 years.

Year	Population	% Change	Method
2010	1,430	-	census
2011	1,435	0.35%	estimation process
2012	1,436	0.07%	estimation process
2013	1,432	-0.28%	estimation process
2014	1,429	-0.21%	estimation process
2015	1,425	-0.28%	estimation process
2016	1,424	-0.07%	estimation process
2017	1,418	-0.42%	estimation process
2018	1,412	-0.42%	estimation process
2019	1,405	-0.5%	estimation process
2020	1,341	-4.56%	estimation process

Nearby Schools and Colleges

Schools and campuses linked to Custer, IL. Select a name to open its map and contact details.

Code	Name	City	ZIP
145831	Illinois Valley Community College	Oglesby (IL)	61348-9692

Nearby Transit Stations (15)

Rail and bus stations connected to Custer, IL. Select a station to open its map and address details.

Code	Name	Address	Type
PON	Pontiac station	721 West Washington St.	RAIL
PCT	Princeton	107 Bicentennial Dr.	RAIL
MDT	Mendota station	783 Main Street	RAIL
DWT	Dwight station	119 West Main St.	RAIL
BNL	Uptown Station	100 East Parkinson St.	RAIL

Nearby Post Offices

Closest post offices linked to Custer.

Post Office Name	City	ZIP
Toluca Post Office	Toluca (IL)	61369

Other cities in Marshall County

Cities, towns, neighborhoods & other populated places in Marshall County , IL.

City Name	Population	Title
Henry	2,230	City in Illinois
Lacon	1,713	City in Marshall County, Illinois, United States

Custer, Illinois