Illinois

Boone

53,448
2020 population
1840
first census record
19
census records

About Boone

Boone, Illinois, first appears in the United States federal census in 1840, when it recorded a population of 1,705. At the most recent census, in 2020, its population stood at 53,448.

Its recorded population peaked at 54,165 in 2010, and has since declined by roughly 1 percent.

On the ground today, 6 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202053,448
201054,165
200041,786
199030,806
198028,630
197025,440
196020,326
195017,070
194015,202
193015,078
192015,322
191015,481
190015,791
189012,203
188011,508
187012,942
186011,678
18507,624
18401,705
Source

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

Historic places in Boone

National Register of Historic Places listings in Boone, Illinois.

Belvidere High School
Belvidere
Belvidere North State Street Historic District
Belvidere
Belvidere South State Street Historic District
Belvidere
Pettit Memorial Chapel
Belvidere
Lampert-Wildflower House
Belvidere
United States Post Office-Belvidere
Belvidere

Other counties in Illinois

Explore census history and historic records for more Illinois counties.

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Everything a full report reveals about Boone County, Illinois

This page charts the census history of Boone 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 Boone

When does Boone first appear in the US census?
Boone, Illinois first appears in the federal census in 1840, with a recorded population of 1,705.
What is the population of Boone?
At the most recent federal census (2020), Boone had a recorded population of 53,448.
When did Boone's population peak?
Boone's recorded population peaked at 54,165 in 2010.
How many historic places are in Boone?
6 sites are listed on the National Register of Historic Places in Boone, Illinois.
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