What is the population of Dayton?

The population of Dayton, IL is 2,258.

Where is Dayton located?

Dayton, IL is located at latitude 41.4892000 and longitude -90.3215100. It is in United States.

What is the area of Dayton?

The area of Dayton, IL is 5.971232 km².

What is the elevation of Dayton?

Dayton, IL has an elevation of 184 meters (604 feet) above sea level.

What time zone is Dayton in?

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

What state is Dayton in?

Dayton is in the state of Illinois, United States.

What county is Dayton, IL in?

Dayton is in Henry County, Illinois.

How has the population of Dayton changed?

The population of Dayton, IL has decreased from 2,279 (2010) to 2,258 (2020), a change of -0.9%.

Dayton, Illinois

Dayton: census-designated place in Illinois, USA

About

Dayton is a CDP located in the county of Henry in the U.S. state of Illinois. Its population at the 2010 census was 2,279 and a population density of 382 people per km². After 10 years in 2020 city had an estimated population of 2,258 inhabitants.

Quick Facts about Dayton

Population	2,258 (2020)
Country	United States of America
State	Illinois (United States)
County	Henry County
Area	5.97 km²
Latitude & Longitude	41.4892,-90.3215
Altitude	1,850 feet / 564 meters
Time Zone	America/Chicago
Local time	21:06:56 (18th April 2026)
Density	378 Pop. per km² as of 2020
Population growth	-0.93% (2010-2020)
Weather	51℉ Mostly Sunny 7-days weather

Geography

Dayton is located at 41°29'21"N 90°19'17"W (41.4892000, -90.3215100).

Dayton map

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Weather

51°F

Mostly Sunny

20 mph NW Today

Mostly sunny, with a high near 51. Northwest wind around 20 mph, with gusts as high as 30 mph.

7-Day Forecast

Demographics

According to census records, the population of Dayton decreased by 0.93% in 10 years.

Year	Population	% Change	Method
2010	2,279	-	census
2011	2,327	2.06%	estimation process
2012	2,315	-0.52%	estimation process
2013	2,307	-0.35%	estimation process
2014	2,297	-0.44%	estimation process
2015	2,293	-0.17%	estimation process
2016	2,285	-0.35%	estimation process
2017	2,277	-0.35%	estimation process
2018	2,275	-0.09%	estimation process
2019	2,267	-0.35%	estimation process
2020	2,258	-0.4%	estimation process

Nearby Schools and Colleges

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

Code	Name	City	ZIP
143279	Black Hawk College	Moline (IL)	61265-5899

Nearby Transit Stations (11)

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

Code	Name	Address	Type
MLI	Moline, Illinois	1200 River Drive	BUS
RKI	Rock Island, IL	3500 5th Avenue	BUS
DVP	Davenport, Iowa	304 West River Drive	BUS
KEE	Kewanee	Loomis and North Tremont Sts.	RAIL
GBB	Galesburg station	225 South Seminary Street	RAIL

Nearby Post Offices

Closest post offices linked to Dayton.

Post Office Name	City	ZIP
Colona Post Office	Colona (IL)	61241

Other places with the same name (19)

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Dayton, Oregon city in Oregon, USA with a population of 2,753 people.
Dayton, Wisconsin unincorporated community in Green County, Wisconsin, USA with a population of 2,681 people.
Dayton, Washington town in Washington with a population of 2,477 people.
Dayton, Maine town in Maine, USA with a population of 2,107 people.
Dayton, New York town in New York, USA with a population of 1,796 people.
Dayton, Michigan township of Tuscola County, Michigan, USA with a population of 1,755 people.
Dayton, Indiana town in Indiana, USA with a population of 1,667 people.
Dayton, Virginia town in Rockingham County, Virginia, United States with a population of 1,642 people.
Dayton, Wyoming town in Sheridan County, Wyoming, United States with a population of 830 people.
Dayton, Iowa city in Webster County, Iowa, United States with a population of 798 people.
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Dayton, Pennsylvania borough of Pennsylvania with a population of 503 people.
Dayton, Idaho city in Franklin County, Idaho, United States with a population of 494 people.
Dayton, Minnesota city in Hennepin and Wright counties in the U. with a population of 83 people.
Dayton, Alabama community in Alabama with a population of 40 people.

Other cities in Henry County

Cities, towns, neighborhoods & other populated places in Henry County , IL. (more)

City Name	Population	Title
Kewanee	12,174	City in Henry County, Illinois, United States
Geneseo	6,505	Township in Henry County, Illinois
Colona	5,049	City in Henry County, Illinois, United States
Green Rock	2,970	City in Illinois, United States of America
Galva	2,449	City in Illinois, USA
Cambridge	2,051	Village in Henry County, Illinois, United States
Orion	1,776	Village in Henry County, Illinois, United States
Annawan	1,056	Township in Henry County, Illinois
Atkinson	955	Town in Illinois, United States
Woodhull	771	Human settlement in Illinois, United States of America
Alpha	626	City in Illinois, United States of America
Andover	565	Village in Illinois, USA
Osco	437	Township in Henry County, Illinois
Hooppole	189	Human settlement in Illinois, United States of America
Cleveland	178	Village in Henry County, Illinois, United States
Bishop Hill	121	Village in Illinois, USA

Distance to Other Cities

Dayton distances to largest Illinois cities