Illinois

Massac

14,169
2020 population
1850
first census record
18
census records

About Massac

Massac, Illinois, first appears in the United States federal census in 1850, when it recorded a population of 4,092. At the most recent census, in 2020, its population stood at 14,169.

Its recorded population peaked at 15,429 in 2010, and has since declined by roughly 8 percent.

On the ground today, one documented military engagement has been recorded within the county, among them Kincaid Mounds Warfare Evidence, and 3 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202014,169
201015,429
200015,161
199014,752
198014,990
197013,889
196014,341
195013,594
194014,937
193014,081
192013,559
191014,200
190013,110
189011,313
188010,443
18709,581
18606,213
18504,092
Source

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

Battles & engagements in Massac

Military engagements that took place in Massac, Illinois.

Kincaid Mounds Warfare Evidence
1050

Historic places in Massac

National Register of Historic Places listings in Massac, Illinois.

Kincaid Site
Brookport
Fort Massac Site
Metropolis
Curtis, Elijah P., House
Metropolis

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Everything a full report reveals about Massac County, Illinois

This page charts the census history of Massac County, Illinois. 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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Illinoishistory ›NRHP historic sites ›Notable people from Illinois›

Frequently asked about Massac

When does Massac first appear in the US census?
Massac, Illinois first appears in the federal census in 1850, with a recorded population of 4,092.
What is the population of Massac?
At the most recent federal census (2020), Massac had a recorded population of 14,169.
When did Massac's population peak?
Massac's recorded population peaked at 15,429 in 2010.
Were any battles fought in Massac?
1 documented military engagement took place in Massac, including Kincaid Mounds Warfare Evidence.
How many historic places are in Massac?
3 sites are listed on the National Register of Historic Places in Massac, Illinois.
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