Illinois

Macoupin

44,967
2020 population
1830
first census record
20
census records

About Macoupin

Macoupin, Illinois, first appears in the United States federal census in 1830, when it recorded a population of 1,990. At the most recent census, in 2020, its population stood at 44,967.

Its recorded population peaked at 57,274 in 1920, and has since declined by roughly 21 percent.

On the ground today, one documented military engagement has been recorded within the county, among them Virden Massacre, and 8 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202044,967
201047,765
200049,019
199047,679
198049,384
197044,557
196043,524
195044,210
194046,304
193048,703
192057,274
191050,685
190042,256
189040,380
188037,692
187032,726
186024,602
185012,355
18407,826
18301,990
Source

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

Battles & engagements in Macoupin

Military engagements that took place in Macoupin, Illinois.

Virden Massacre
1898

Historic places in Macoupin

National Register of Historic Places listings in Macoupin, Illinois.

Robinson, J. L., General Store
Hagaman
Carlinville Historic District
Carlinville
Shriver Farmstead
Virden
Anderson, John C., House
Carlinville
Carlinville Chapter House
Carlinville
Union Miners Cemetery
Mount Olive
Soulsby Service Station
Mount Olive
Browse all Illinoishistoric sites ›

Other counties in Illinois

Explore census history and historic records for more Illinois counties.

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Everything a full report reveals about Macoupin County, Illinois

This page charts the census history of Macoupin 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 Macoupin

When does Macoupin first appear in the US census?
Macoupin, Illinois first appears in the federal census in 1830, with a recorded population of 1,990.
What is the population of Macoupin?
At the most recent federal census (2020), Macoupin had a recorded population of 44,967.
When did Macoupin's population peak?
Macoupin's recorded population peaked at 57,274 in 1920.
Were any battles fought in Macoupin?
1 documented military engagement took place in Macoupin, including Virden Massacre.
How many historic places are in Macoupin?
8 sites are listed on the National Register of Historic Places in Macoupin, Illinois.
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