Wisconsin

Clark

34,659
2020 population
1860
first census record
17
census records

About Clark

Clark, Wisconsin, first appears in the United States federal census in 1860, when it recorded a population of 789. At the most recent census, in 2020, its population stood at 34,659.

Its recorded population peaked at 35,120 in 1920, and has since declined by roughly 1 percent.

On the ground today, 22 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202034,659
201034,690
200033,557
199031,647
198032,910
197030,361
196031,527
195032,459
194033,972
193034,165
192035,120
191030,074
190025,848
189017,708
188010,715
18703,450
1860789
Source

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

Historic places in Clark

National Register of Historic Places listings in Clark, Wisconsin.

Omaha Hotel
Neillsville
Wisconsin Pavilion
Neillsville
Silver Dome Ballroom, The
Hewett
Clark County Jail
Neillsville
Neillsville Downtown Historic District
Neillsville
Neillsville Post Office
Neillsville
First Church of Christ, Scientist
Neillsville
Dickinson, Decatur and Kate, House
Neillsville
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Other counties in Wisconsin

Explore census history and historic records for more Wisconsin counties.

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Everything a full report reveals about Clark County, Wisconsin

This page charts the census history of Clark County, Wisconsin. 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 Clark

When does Clark first appear in the US census?
Clark, Wisconsin first appears in the federal census in 1860, with a recorded population of 789.
What is the population of Clark?
At the most recent federal census (2020), Clark had a recorded population of 34,659.
When did Clark's population peak?
Clark's recorded population peaked at 35,120 in 1920.
How many historic places are in Clark?
22 sites are listed on the National Register of Historic Places in Clark, Wisconsin.
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