Illinois

Wabash

11,361
2020 population
1830
first census record
20
census records

About Wabash

Wabash, Illinois, first appears in the United States federal census in 1830, when it recorded a population of 2,710. At the most recent census, in 2020, its population stood at 11,361.

Its recorded population peaked at 14,913 in 1910, and has since declined by roughly 24 percent.

On the ground today, 1 place is listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202011,361
201011,947
200012,937
199013,111
198013,713
197012,841
196014,047
195014,651
194013,724
193013,197
192014,034
191014,913
190012,583
189011,866
18809,945
18708,841
18607,313
18504,690
18404,240
18302,710
Source

Population data from the United States decennial census, U.S. Census Bureau (public domain).

Historic places in Wabash

National Register of Historic Places listings in Wabash, Illinois.

Beall-Orr House
Mt. Carmel

Other counties in Illinois

Explore census history and historic records for more Illinois counties.

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Everything a full report reveals about Wabash County, Illinois

This page charts the census history of Wabash County, Illinois. A full Aubrey report for an address here pulls together everything the historical record holds about the ground, from the earliest settlement to the twentieth century:

Overview
An interactive map of the location with historic sites, battles and Native heritage plotted, and its full story era by era.
The Land
The historic sites and place names around the location, and how this land was settled and used.
Geology
The bedrock beneath the site, its age and rock type, reaching back millions of years.
LiDAR Terrain
Laser-scanned terrain that reveals earthworks and old features hidden in the landscape.
Conflict & War
The battles, raids and skirmishes fought near here, across every era of American conflict.
The Civil War
The Civil War on this ground, 1861 to 1865: who held it, and the battles, camps and regiments nearby.
The Soldiers
The men who marched from here in the Civil War, named and traced where the record allows.
Native Heritage
The Native nations who held this land, mapped across time from before European contact to today.
Settlement
Who claimed and held this ground, from Indigenous homelands through the colonial powers to the United States.
The Community
How the town grew, who came, and what kind of place it became, traced through the census record.
Rivers & Rail
The rivers, canals and railroads that connected this place between 1830 and 1911.
Notable People
The people born, buried or genuinely tied to this exact place, with their stories.
Historical Maps
Historic maps of the location layered over how it looks today.
Finds & Access
Museum objects tied to the area, and the laws on searching, collecting and access here.
Literature
The old books, county histories and archives that mention this place, quoted with their sources.
Spotlight
A deep dive into the most remarkable, lesser-known history of the place, traced back to the record.
Points of Interest
The most significant historic sites and landmarks near the location, and why they matter.
Timeline
The whole story of the location told era by era, from first peoples to the present day.
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Explore Illinois records

Illinoishistory ›NRHP historic sites ›Notable people from Illinois›

Frequently asked about Wabash

When does Wabash first appear in the US census?
Wabash, Illinois first appears in the federal census in 1830, with a recorded population of 2,710.
What is the population of Wabash?
At the most recent federal census (2020), Wabash had a recorded population of 11,361.
When did Wabash's population peak?
Wabash's recorded population peaked at 14,913 in 1910.
How many historic places are in Wabash?
1 site is listed on the National Register of Historic Places in Wabash, Illinois.
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