Mississippi

Union

27,777
2020 population
1880
first census record
15
census records

About Union

Union, Mississippi, first appears in the United States federal census in 1880, when it recorded a population of 13,030. At the most recent census, in 2020, its population stood at 27,777.

The county's recorded population has risen across the decades to its highest level in 2020.

On the ground today, 5 documented military engagements have been recorded within the county, among them Chickasaw Treaty of Pontotoc Creek (1832), Forrest's Somerville Raid (Tennessee-Mississippi), Battle of Brice's Cross Roads, and 5 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202027,777
201027,134
200025,362
199022,085
198021,741
197019,096
196018,904
195020,262
194021,867
193021,268
192020,044
191018,997
190016,522
189015,606
188013,030
Source

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

Battles & engagements in Union

Military engagements that took place in Union, Mississippi.

Chickasaw Treaty of Pontotoc Creek (1832)
1832
Forrest's Somerville Raid (Tennessee-Mississippi)
1863
Battle of Brice's Cross Roads
1864
Battle of Brice's Cross Roads (Guntown)
1864
Raid on New Albany, Mississippi (1864)
1864

Historic places in Union

National Register of Historic Places listings in Union, Mississippi.

Ingomar Mound
Ingomar
Browse all Mississippihistoric sites ›

Other counties in Mississippi

Explore census history and historic records for more Mississippi counties.

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Everything a full report reveals about Union County, Mississippi

This page charts the census history of Union County, Mississippi. 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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Mississippihistory ›NRHP historic sites ›Notable people from Mississippi›

Frequently asked about Union

When does Union first appear in the US census?
Union, Mississippi first appears in the federal census in 1880, with a recorded population of 13,030.
What is the population of Union?
At the most recent federal census (2020), Union had a recorded population of 27,777.
Were any battles fought in Union?
5 documented military engagements took place in Union, including Chickasaw Treaty of Pontotoc Creek (1832), Forrest's Somerville Raid (Tennessee-Mississippi), Battle of Brice's Cross Roads.
How many historic places are in Union?
5 sites are listed on the National Register of Historic Places in Union, Mississippi.
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