Missouri

Sullivan

5,999
2020 population
1850
first census record
18
census records

About Sullivan

Sullivan, Missouri, first appears in the United States federal census in 1850, when it recorded a population of 2,983. At the most recent census, in 2020, its population stood at 5,999.

Its recorded population peaked at 20,282 in 1900, and has since declined by roughly 70 percent.

On the ground today, 2 documented military engagements have been recorded within the county, among them Sullivan County MO Guerrilla War (1863), Skirmish at Browning, Missouri, and 6 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
20205,999
20106,714
20007,219
19906,326
19807,434
19707,572
19608,783
195011,299
194013,701
193015,212
192017,781
191018,598
190020,282
189019,000
188016,569
187011,907
18609,198
18502,983
Source

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

Battles & engagements in Sullivan

Military engagements that took place in Sullivan, Missouri.

Sullivan County MO Guerrilla War (1863)
1863
Skirmish at Browning, Missouri
1863

Historic places in Sullivan

National Register of Historic Places listings in Sullivan, Missouri.

Milan Railroad Depot
Milan
Quincy, Omaha and Kansas City Railroad Office Building
Milan
Green City Railroad Depot
Green City
Browse all Missourihistoric sites ›

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Everything a full report reveals about Sullivan County, Missouri

This page charts the census history of Sullivan County, Missouri. 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 Sullivan

When does Sullivan first appear in the US census?
Sullivan, Missouri first appears in the federal census in 1850, with a recorded population of 2,983.
What is the population of Sullivan?
At the most recent federal census (2020), Sullivan had a recorded population of 5,999.
When did Sullivan's population peak?
Sullivan's recorded population peaked at 20,282 in 1900.
Were any battles fought in Sullivan?
2 documented military engagements took place in Sullivan, including Sullivan County MO Guerrilla War (1863), Skirmish at Browning, Missouri.
How many historic places are in Sullivan?
6 sites are listed on the National Register of Historic Places in Sullivan, Missouri.
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