Kansas

Thomas

7,930
2020 population
1880
first census record
15
census records

About Thomas

Thomas, Kansas, first appears in the United States federal census in 1880, when it recorded a population of 161. At the most recent census, in 2020, its population stood at 7,930.

Its recorded population peaked at 8,451 in 1980, and has since declined by roughly 6 percent.

On the ground today, one documented military engagement has been recorded within the county, among them Chalk Bluffs Station Attack, and 4 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
20207,930
20107,900
20008,180
19908,258
19808,451
19707,501
19607,358
19507,572
19406,425
19307,334
19205,517
19105,455
19004,112
18905,538
1880161
Source

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

Battles & engagements in Thomas

Military engagements that took place in Thomas, Kansas.

Chalk Bluffs Station Attack
1867

Historic places in Thomas

National Register of Historic Places listings in Thomas, Kansas.

Thomas County Courthouse
Colby
Browse all Kansashistoric sites ›

Other counties in Kansas

Explore census history and historic records for more Kansas counties.

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Everything a full report reveals about Thomas County, Kansas

This page charts the census history of Thomas County, Kansas. 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 Thomas

When does Thomas first appear in the US census?
Thomas, Kansas first appears in the federal census in 1880, with a recorded population of 161.
What is the population of Thomas?
At the most recent federal census (2020), Thomas had a recorded population of 7,930.
When did Thomas's population peak?
Thomas's recorded population peaked at 8,451 in 1980.
Were any battles fought in Thomas?
1 documented military engagement took place in Thomas, including Chalk Bluffs Station Attack.
How many historic places are in Thomas?
4 sites are listed on the National Register of Historic Places in Thomas, Kansas.
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