Illinois

Tazewell

131,343
2020 population
1830
first census record
20
census records

About Tazewell

Tazewell, Illinois, first appears in the United States federal census in 1830, when it recorded a population of 4,716. At the most recent census, in 2020, its population stood at 131,343.

Its recorded population peaked at 135,394 in 2010, and has since declined by roughly 3 percent.

On the ground today, one documented military engagement has been recorded within the county, among them Norris Farms 36 Cemetery (Illinois Warfare), and 16 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
2020131,343
2010135,394
2000128,485
1990123,692
1980132,078
1970118,649
196099,789
195076,165
194058,362
193046,082
192038,540
191034,027
190033,221
189029,556
188029,666
187027,903
186021,470
185012,052
18407,221
18304,716
Source

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

Battles & engagements in Tazewell

Military engagements that took place in Tazewell, Illinois.

Norris Farms 36 Cemetery (Illinois Warfare)
1300

Historic places in Tazewell

National Register of Historic Places listings in Tazewell, Illinois.

Ayer Public Library
Delavan
Waltmire Bridge
Tremont
Cemetery Road Bridge
Washington
Third St. Bridge
Delavan
Herget, Carl, Mansion
Pekin
Denhart Bank Building
Washington
St. Louis, Peoria and Northern Railroad Depot
Pekin
Allentown Union Hall
Allentown
Dement-Zinser House
Washington
Illinois Traction System Mackinaw Depot
Mackinaw
Pekin Federal Building
Pekin
Peoria Lock and Dam Historic District
Creve Coeur
Delavan Commercial Historic District
Delavan
Farm Creek Section
East Peoria
North Eighth Street Plaza
Pekin
Tazewell County Courthouse
Pekin

Other counties in Illinois

Explore census history and historic records for more Illinois counties.

McLeanMenardMercerMonroeMontgomeryMorganMoultrieOglePeoriaPerryPiattPikePopePulaskiPutnamRandolphRichlandRock IslandSalineSangamon
Unlimited access

Everything a full report reveals about Tazewell County, Illinois

This page charts the census history of Tazewell 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.
First month just $5.99, then $11.99 a month. Unlimited locations, cancel anytime.

Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.

Start your Tazewell County, Illinois report
Or see a real report first

Explore Illinois records

Illinoishistory ›NRHP historic sites ›Notable people from Illinois›

Frequently asked about Tazewell

When does Tazewell first appear in the US census?
Tazewell, Illinois first appears in the federal census in 1830, with a recorded population of 4,716.
What is the population of Tazewell?
At the most recent federal census (2020), Tazewell had a recorded population of 131,343.
When did Tazewell's population peak?
Tazewell's recorded population peaked at 135,394 in 2010.
Were any battles fought in Tazewell?
1 documented military engagement took place in Tazewell, including Norris Farms 36 Cemetery (Illinois Warfare).
How many historic places are in Tazewell?
16 sites are listed on the National Register of Historic Places in Tazewell, Illinois.
Aubrey Research

Research the history of any US location

Aubrey searches federal archives, archaeological records, historic registers, and primary sources to build a full historical report for any address or place in the United States.

Research your locationView a free sample report