Iowa

Monroe

7,577

2020 population

1850

first census record

census records

About Monroe

Monroe, Iowa, first appears in the United States federal census in 1850, when it recorded a population of 2,884. At the most recent census, in 2020, its population stood at 7,577.

Its recorded population peaked at 25,429 in 1910, and has since declined by roughly 70 percent.

On the ground today, 11 places are listed on the National Register of Historic Places.

Population by decade

Census Year	Population	Chart
2020	7,577
2010	7,970
2000	8,016
1990	8,114
1980	9,209
1970	9,357
1960	10,463
1950	11,814
1940	14,553
1930	15,010
1920	23,467
1910	25,429
1900	17,985
1890	13,666
1880	13,719
1870	12,724
1860	8,612
1850	2,884

Source

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

Historic places in Monroe

National Register of Historic Places listings in Monroe, Iowa.

Jenkins, Dr. George A., House

Albia

Clark Round Barn

Tyrone

Saint Patrick's Roman Catholic Church

Albia

White, Arvine and Elizabeth W., House

Buxton Historic Townsite

Albia Square and Central Commercial Historic District

Albia

Monroe County Courthouse

Albia

Other counties in Iowa

Explore census history and historic records for more Iowa counties.

Webster Winnebago Winneshiek Woodbury Worth Wright Adair Adams Allamakee Appanoose Audubon Benton Black Hawk Boone Bremer Buchanan Buena Vista Butler Calhoun Carroll

Unlimited access

Everything a full report reveals about Monroe County, Iowa

This page charts the census history of Monroe 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.

First month just $5.99, then $11.99 a month. Unlimited locations, cancel anytime.

Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.

Start your Monroe County, Iowa report

Or see a real report first

Explore Iowa records

Iowahistory ›NRHP historic sites ›Notable people from Iowa›

Frequently asked about Monroe

When does Monroe first appear in the US census?

Monroe, Iowa first appears in the federal census in 1850, with a recorded population of 2,884.

What is the population of Monroe?

At the most recent federal census (2020), Monroe had a recorded population of 7,577.

When did Monroe's population peak?

Monroe's recorded population peaked at 25,429 in 1910.

How many historic places are in Monroe?

11 sites are listed on the National Register of Historic Places in Monroe, Iowa.

Aubrey Research

Research the history of any US location

Aubrey searches federal archives, archaeological records, historic registers, and primary sources to build a full historical report for any address or place in the United States.

Research your location View a free sample report