Wisconsin

Waukesha

406,978
2020 population
1850
first census record
18
census records

About Waukesha

Waukesha, Wisconsin, first appears in the United States federal census in 1850, when it recorded a population of 19,258. At the most recent census, in 2020, its population stood at 406,978.

The county's recorded population has risen across the decades to its highest level in 2020.

On the ground today, 159 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
2020406,978
2010389,891
2000360,767
1990304,715
1980280,326
1970231,365
1960158,249
195085,901
194062,744
193052,358
192042,612
191037,100
190035,229
189033,270
188028,957
187028,274
186026,831
185019,258
Source

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

Historic places in Waukesha

National Register of Historic Places listings in Waukesha, Wisconsin.

Chicago and Northwestern Railroad Passenger Depot
Waukesha
Peck, Clarence, Residence
Oconomowoc
Turck, Christian, House
Eagle
Ten Chimneys
Town of Genesee
St. John Chrysostom Church
Delafield
West, Deacon, Octagon House
Pewaukee
McCall Street Historic District
Waukesha
Bishopstead
Delafield
First Congregational Church
Waukesha
First German Reformed Church
Waukesha
Main Street Historic District
Menomonee Falls
Reformed Presbyterian Church of Vernon
Vernon
St. John's Military Academy
Delafield
Ten Chimneys
Genesee
United Unitarian and Universalist Church
Mukwonago
Oconomowoc Depot
Oconomowoc
St. Matthias Episcopal Church
Waukesha
Blair, Sen. William, House
Waukesha
First Baptist Church
Waukesha
Jones, Robert O., House
Waukesha
St. Joseph's Catholic Church Complex
Waukesha
Arlington Apartments
Waukesha
Trapp Filling Station
Hartland
Bank of Hartland
Hartland
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Everything a full report reveals about Waukesha County, Wisconsin

This page charts the census history of Waukesha 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 Waukesha

When does Waukesha first appear in the US census?
Waukesha, Wisconsin first appears in the federal census in 1850, with a recorded population of 19,258.
What is the population of Waukesha?
At the most recent federal census (2020), Waukesha had a recorded population of 406,978.
How many historic places are in Waukesha?
159 sites are listed on the National Register of Historic Places in Waukesha, Wisconsin.
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