Illinois

Richland

15,813
2020 population
1850
first census record
18
census records

About Richland

Richland, Illinois, first appears in the United States federal census in 1850, when it recorded a population of 4,012. At the most recent census, in 2020, its population stood at 15,813.

Its recorded population peaked at 17,587 in 1980, and has since declined by roughly 10 percent.

On the ground today, one documented military engagement has been recorded within the county, among them Jonathan Creek Fortification, and 4 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202015,813
201016,233
200016,149
199016,545
198017,587
197016,829
196016,299
195016,889
194017,137
193014,053
192014,044
191015,970
190016,391
189015,019
188015,545
187012,803
18609,711
18504,012
Source

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

Battles & engagements in Richland

Military engagements that took place in Richland, Illinois.

Jonathan Creek Fortification
1400

Historic places in Richland

National Register of Historic Places listings in Richland, Illinois.

Larchmound
Olney
Hopkinson, Ambrose, House
Olney
Olney Carnegie Library
Olney
Elliott Street Historic District
Olney

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Everything a full report reveals about Richland County, Illinois

This page charts the census history of Richland 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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Frequently asked about Richland

When does Richland first appear in the US census?
Richland, Illinois first appears in the federal census in 1850, with a recorded population of 4,012.
What is the population of Richland?
At the most recent federal census (2020), Richland had a recorded population of 15,813.
When did Richland's population peak?
Richland's recorded population peaked at 17,587 in 1980.
Were any battles fought in Richland?
1 documented military engagement took place in Richland, including Jonathan Creek Fortification.
How many historic places are in Richland?
4 sites are listed on the National Register of Historic Places in Richland, Illinois.
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