Iowa

Adair

7,496
2020 population
1860
first census record
17
census records

About Adair

Adair, Iowa, first appears in the United States federal census in 1860, when it recorded a population of 984. At the most recent census, in 2020, its population stood at 7,496.

Its recorded population peaked at 16,192 in 1900, and has since declined by roughly 54 percent.

On the ground today, 10 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
20207,496
20107,682
20008,243
19908,409
19809,509
19709,487
196010,893
195012,292
194013,196
193013,891
192014,259
191014,420
190016,192
189014,534
188011,667
18703,982
1860984
Source

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

Historic places in Adair

National Register of Historic Places listings in Adair, Iowa.

Catalpa
Greenfield
Adair Viaduct
Adair
Hotel Greenfield
Greenfield
Loucks Grove Church
Greenfield
Warren Opera House Block and Hetherington Block
Greenfield
Chicago,Rock Island and Pacific Railroad: Stuart Passenger Station
Stuart
Adair County Democrat-Adair County Free Press Building
Greenfield
Greenfield Public Square Historic District
Greenfield
Adair County Courthouse
Greenfield
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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 Adair County, Iowa

This page charts the census history of Adair 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 Adair

When does Adair first appear in the US census?
Adair, Iowa first appears in the federal census in 1860, with a recorded population of 984.
What is the population of Adair?
At the most recent federal census (2020), Adair had a recorded population of 7,496.
When did Adair's population peak?
Adair's recorded population peaked at 16,192 in 1900.
How many historic places are in Adair?
10 sites are listed on the National Register of Historic Places in Adair, Iowa.
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