Iowa

Poweshiek

18,662
2020 population
1850
first census record
18
census records

About Poweshiek

Poweshiek, Iowa, first appears in the United States federal census in 1850, when it recorded a population of 615. At the most recent census, in 2020, its population stood at 18,662.

Its recorded population peaked at 19,910 in 1920, and has since declined by roughly 6 percent.

On the ground today, 26 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202018,662
201018,914
200018,815
199019,033
198019,306
197018,803
196019,300
195019,344
194018,758
193018,727
192019,910
191019,589
190019,414
189018,394
188018,936
187015,581
18605,668
1850615
Source

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

Historic places in Poweshiek

National Register of Historic Places listings in Poweshiek, Iowa.

Brooklyn Hotel
Brooklyn
Pioneer Oil Company Filling Station
Grinnell
Merchants' National Bank
Grinnell
Grinnell, Levi P., House
Grinnell
Marsh, E.A. and Rebecca (Johnson), House
Grinnell
Chicago, Rock Island and Pacific Railroad-Grinnell Passenger Station
Grinnell
Stewart Library
Grinnell
Spaulding Manufacturing Company
Grinnell
North Grinnell Historic District
Grinnell
New Carroll House Hotel
Montezuma
Ricker, B. J., House
Grinnell
Goodnow Hall
Grinnell
Mears Hall
Grinnell
Spencer, Charles H., House
Grinnell
Kent Union Chapel and Cemetery
Brooklyn
Farmers Mutual Reinsurance Company Building
Grinnell
Raymond, P. P., House
Malcom
Interior Telephone Company Building
Grinnell
Grinnell Historic Commercial District
Grinnell
Grinnell Herald Building
Grinnell
Bowers and McDonald Office Building
Grinnell
Manatt, William, House
Brooklyn
Poweshiek County Courthouse
Montezuma
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Everything a full report reveals about Poweshiek County, Iowa

This page charts the census history of Poweshiek 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 Poweshiek

When does Poweshiek first appear in the US census?
Poweshiek, Iowa first appears in the federal census in 1850, with a recorded population of 615.
What is the population of Poweshiek?
At the most recent federal census (2020), Poweshiek had a recorded population of 18,662.
When did Poweshiek's population peak?
Poweshiek's recorded population peaked at 19,910 in 1920.
How many historic places are in Poweshiek?
26 sites are listed on the National Register of Historic Places in Poweshiek, Iowa.
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