What is the population of Walnut Grove?

The population of Walnut Grove, IL is 714.

Where is Walnut Grove located?

Walnut Grove, IL is located at latitude 40.6161500 and longitude -90.5593000. It is in United States.

What is the area of Walnut Grove?

The area of Walnut Grove, IL is 36.29 km².

What is the elevation of Walnut Grove?

Walnut Grove, IL has an elevation of 216 meters (709 feet) above sea level.

What time zone is Walnut Grove in?

Walnut Grove, IL is in the America/Chicago time zone.

What state is Walnut Grove in?

Walnut Grove is in the state of Illinois, United States.

What county is Walnut Grove, IL in?

Walnut Grove is in McDonough County, Illinois.

How has the population of Walnut Grove changed?

The population of Walnut Grove, IL has decreased from 770 (2010) to 714 (2020), a change of -7.3%.

Walnut Grove, IL - Geographic Facts & Maps

Walnut Grove: township in McDonough County, Illinois.

About

Walnut Grove is a township located in the county of McDonough in the U.S. state of Illinois. Its population at the 2010 census was 770 and a population density of 21 people per km². After 10 years in 2020 city had an estimated population of 714 inhabitants.

Quick Facts about Walnut Grove

Population	714 (2020)
Country	United States of America
State	Illinois (United States)
County	McDonough County
Area	36.29 km²
Latitude & Longitude	40.6162,-90.5593
Time Zone	America/Chicago
Local time	13:56:23 (6th November 2026)
Density	20 Pop. per km² as of 2020
Population growth	-7.27% (2010-2020)
Weather	48℉ Mostly Sunny 7-days weather

Geography

Walnut Grove is located at 40°36'58"N 90°33'33"W (40.6161500, -90.5593000).

Walnut Grove map

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Weather

48°F

Mostly Sunny

5 to 10 mph N Today

Mostly sunny. High near 48, with temperatures falling to around 45 in the afternoon. North wind 5 to 10 mph, with gusts as high as 20 mph.

7-Day Forecast

Demographics

According to census records, the population of Walnut Grove decreased by 7.27% in 10 years.

Year	Population	% Change	Method
2010	770	-	census
2011	765	-0.65%	estimation process
2012	761	-0.52%	estimation process
2013	757	-0.53%	estimation process
2014	755	-0.26%	estimation process
2015	746	-1.19%	estimation process
2016	741	-0.67%	estimation process
2017	736	-0.67%	estimation process
2018	727	-1.22%	estimation process
2019	723	-0.55%	estimation process
2020	714	-1.24%	estimation process

Walnutgrove

Nearby Schools and Colleges

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

Code	Name	City	ZIP
149772	Western Illinois University	Macomb (IL)	61455

Nearby Transit Stations (13)

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

Code	Name	Address	Type
MAC	Macomb	120 East Calhoun Street	RAIL
GBB	Galesburg station	225 South Seminary Street	RAIL
BRL	Burlington	300 South Main Street	RAIL
FMD	Fort Madison station	1601 20th Street	RAIL
PIA	Peoria, Illinois	6100 West Everett M. Dirksen Parkway	BUS

Nearby Post Offices

Closest post offices linked to Walnut Grove.

Post Office Name	City	ZIP
Prairie City Post Office	Prairie City (IL)	61470

Other places with the same name (2)

Walnut Grove, Washington city in Minnesota, United States. with a population of 9,790 people.
Walnut Grove, Mississippi city in Leake County, Mississippi, United States of America. with a population of 1,658 people.

Other cities in McDonough County

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

City Name	Population	Title
Macomb	17,206	City in and the county seat of McDonough County, Illinois, United States
Bushnell	2,825	Town in Florida, United States
Colchester	1,273	City in McDonough County, Illinois, United States

Walnut Grove, Illinois