Kansas

Lyon

32,179
2020 population
1870
first census record
16
census records

About Lyon

Lyon, Kansas, first appears in the United States federal census in 1870, when it recorded a population of 8,014. At the most recent census, in 2020, its population stood at 32,179.

Its recorded population peaked at 35,935 in 2000, and has since declined by roughly 10 percent.

On the ground today, one documented military engagement has been recorded within the county, among them Emporia KS Militia Mobilization (1863), and 20 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202032,179
201033,690
200035,935
199034,732
198035,108
197032,071
196026,928
195026,576
194026,424
193029,240
192026,154
191024,927
190025,074
189023,196
188017,326
18708,014
Source

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

Battles & engagements in Lyon

Military engagements that took place in Lyon, Kansas.

Emporia KS Militia Mobilization (1863)
1863

Historic places in Lyon

National Register of Historic Places listings in Lyon, Kansas.

White, William Allen, House
Emporia
Granada Theater
Emporia
Howe, Richard, House
Emporia
Harris-Borman House
Emporia
Browse all Kansashistoric sites ›

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Everything a full report reveals about Lyon County, Kansas

This page charts the census history of Lyon 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 Lyon

When does Lyon first appear in the US census?
Lyon, Kansas first appears in the federal census in 1870, with a recorded population of 8,014.
What is the population of Lyon?
At the most recent federal census (2020), Lyon had a recorded population of 32,179.
When did Lyon's population peak?
Lyon's recorded population peaked at 35,935 in 2000.
Were any battles fought in Lyon?
1 documented military engagement took place in Lyon, including Emporia KS Militia Mobilization (1863).
How many historic places are in Lyon?
20 sites are listed on the National Register of Historic Places in Lyon, Kansas.
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