Iowa

Clinton

46,460
2020 population
1840
first census record
19
census records

About Clinton

Clinton, Iowa, first appears in the United States federal census in 1840, when it recorded a population of 821. At the most recent census, in 2020, its population stood at 46,460.

Its recorded population peaked at 57,122 in 1980, and has since declined by roughly 19 percent.

On the ground today, one documented military engagement has been recorded within the county, among them Battle of Prairie du Chien — Second (Campbell's Island), and 31 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202046,460
201049,116
200050,149
199051,040
198057,122
197056,749
196055,060
195049,664
194044,722
193044,377
192043,371
191045,394
190043,832
189041,199
188036,763
187035,357
186018,938
18502,822
1840821
Source

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

Battles & engagements in Clinton

Military engagements that took place in Clinton, Iowa.

Battle of Prairie du Chien — Second (Campbell's Island)
1814

Historic places in Clinton

National Register of Historic Places listings in Clinton, Iowa.

Johnson, George, House
Calamus
Clinton Public Library
Clinton
Castle Terrace Historic District
Clinton
Cherry Bank
Clinton
City Hotel
Wheatland
Farmers and Merchants Savings Bank
Grand Mound
Grand Mound Town Hall and Waterworks Historic District
Grand Mound
Van Allen Store
Clinton
Clinton County Courthouse
Clinton
Washington Junior High School and Jefferson Grade School
Clinton
Chicago, Milwaukee, St. Paul & Pacific Depot-Delmar
Delmar
Saint Irenaeus Church
Clinton
Sharon Methodist Episcopal Church
Lost Nation
Kvindherred Lutheran Church, School and Cemetery
Calamus
Anthony, Horace, House
Camache
Saint Boniface Church
Clinton
Ames Creek Bridge
De Witt
Dierks, Peter, House
Clinton
Moeszinger-Marquis Hardware Co.
Clinton
Helvig-Olson Farm Historic District
Grand Mound
Howes Building
Clinton
Wilson Buildings
Clinton
Clinton High School and Public Library
Clinton
Curtis, George M., House
Clinton
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Everything a full report reveals about Clinton County, Iowa

This page charts the census history of Clinton County, Iowa. 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 Clinton

When does Clinton first appear in the US census?
Clinton, Iowa first appears in the federal census in 1840, with a recorded population of 821.
What is the population of Clinton?
At the most recent federal census (2020), Clinton had a recorded population of 46,460.
When did Clinton's population peak?
Clinton's recorded population peaked at 57,122 in 1980.
Were any battles fought in Clinton?
1 documented military engagement took place in Clinton, including Battle of Prairie du Chien — Second (Campbell's Island).
How many historic places are in Clinton?
31 sites are listed on the National Register of Historic Places in Clinton, Iowa.
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