Iowa

Hancock

10,795
2020 population
1860
first census record
17
census records

About Hancock

Hancock, Iowa, first appears in the United States federal census in 1860, when it recorded a population of 179. At the most recent census, in 2020, its population stood at 10,795.

Its recorded population peaked at 15,402 in 1940, and has since declined by roughly 30 percent.

On the ground today, 9 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202010,795
201011,341
200012,100
199012,638
198013,833
197013,227
196014,604
195015,077
194015,402
193014,802
192014,723
191012,731
190013,752
18907,621
18803,453
1870999
1860179
Source

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

Historic places in Hancock

National Register of Historic Places listings in Hancock, Iowa.

Stubbins, George E., House
Britt
Avery Theater, The
Garner
Hancock County Courthouse
Garner
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Other counties in Iowa

Explore census history and historic records for more Iowa counties.

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Everything a full report reveals about Hancock County, Iowa

This page charts the census history of Hancock 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 Hancock

When does Hancock first appear in the US census?
Hancock, Iowa first appears in the federal census in 1860, with a recorded population of 179.
What is the population of Hancock?
At the most recent federal census (2020), Hancock had a recorded population of 10,795.
When did Hancock's population peak?
Hancock's recorded population peaked at 15,402 in 1940.
How many historic places are in Hancock?
9 sites are listed on the National Register of Historic Places in Hancock, Iowa.
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