Iowa

Harrison

14,582
2020 population
1860
first census record
17
census records

About Harrison

Harrison, Iowa, first appears in the United States federal census in 1860, when it recorded a population of 3,621. At the most recent census, in 2020, its population stood at 14,582.

Its recorded population peaked at 25,597 in 1900, and has since declined by roughly 43 percent.

On the ground today, 13 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202014,582
201014,928
200015,666
199014,730
198016,348
197016,240
196017,600
195019,560
194022,767
193024,897
192024,488
191023,162
190025,597
189021,356
188016,649
18708,931
18603,621
Source

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

Historic places in Harrison

National Register of Historic Places listings in Harrison, Iowa.

I.O.O.F. Hall
Dunlap
Harrison County Courthouse
Logan
Woodbine Public Library
Woodbine
Siebels' Department Store-Boyer Valley Bank
Woodbine
Murray General Merchandise Store
Little Sioux
State Savings Bank
Logan
Haner, William, Polygonal Barn
Pisgah
Woodbine Normal and Grade School
Woodbine
Modale School and Masonic Hall
Modale
Wheeler, John R., Jr., House
Dunlap
Woodbine Savings Bank
Woodbine
Old Harrison County Courthouse
Magnolia
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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 Harrison County, Iowa

This page charts the census history of Harrison 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 Harrison

When does Harrison first appear in the US census?
Harrison, Iowa first appears in the federal census in 1860, with a recorded population of 3,621.
What is the population of Harrison?
At the most recent federal census (2020), Harrison had a recorded population of 14,582.
When did Harrison's population peak?
Harrison's recorded population peaked at 25,597 in 1900.
How many historic places are in Harrison?
13 sites are listed on the National Register of Historic Places in Harrison, Iowa.
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