Iowa

Marshall

40,105

2020 population

1850

first census record

census records

About Marshall

Marshall, Iowa, first appears in the United States federal census in 1850, when it recorded a population of 338. At the most recent census, in 2020, its population stood at 40,105.

Its recorded population peaked at 41,652 in 1980, and has since declined by roughly 4 percent.

On the ground today, 17 places are listed on the National Register of Historic Places.

Population by decade

Census Year	Population	Chart
2020	40,105
2010	40,648
2000	39,311
1990	38,276
1980	41,652
1970	41,076
1960	37,984
1950	35,611
1940	35,406
1930	33,727
1920	32,630
1910	30,279
1900	29,991
1890	25,842
1880	23,752
1870	17,576
1860	6,015
1850	338

Source

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

Historic places in Marshall

National Register of Historic Places listings in Marshall, Iowa.

Binford, Thaddeus, House

Edel, Matthew, Blacksmith Shop and House

Haverhill

Marshall County Courthouse

Marshalltown

Whitehead, C. H., House

Marshalltown

Marshalltown Downtown Historic District

Marshalltown

State Center Commercial Historic District

State Center

Sunday, Robert H., House

Marshalltown

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Everything a full report reveals about Marshall County, Iowa

This page charts the census history of Marshall 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 Marshall

When does Marshall first appear in the US census?

Marshall, Iowa first appears in the federal census in 1850, with a recorded population of 338.

What is the population of Marshall?

At the most recent federal census (2020), Marshall had a recorded population of 40,105.

When did Marshall's population peak?

Marshall's recorded population peaked at 41,652 in 1980.

How many historic places are in Marshall?

17 sites are listed on the National Register of Historic Places in Marshall, Iowa.

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