Illinois

Morgan

32,915
2020 population
1830
first census record
20
census records

About Morgan

Morgan, Illinois, first appears in the United States federal census in 1830, when it recorded a population of 12,714. At the most recent census, in 2020, its population stood at 32,915.

Its recorded population peaked at 37,502 in 1980, and has since declined by roughly 12 percent.

On the ground today, 11 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202032,915
201035,547
200036,616
199036,397
198037,502
197036,174
196036,571
195035,568
194036,378
193034,240
192033,567
191034,420
190035,006
189032,636
188031,514
187028,463
186022,112
185016,064
184019,547
183012,714
Source

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

Historic places in Morgan

National Register of Historic Places listings in Morgan, Illinois.

Duncan, Joseph, House
Jacksonville
Ayers Bank Building
Jacksonville
Jacksonville Public Library
Jacksonville
Grierson, Gen. Benjamin Henry, House
Jacksonville
Morgan County Courthouse
Jacksonville
Beecher Hall, Illinois College
Jacksonville
Jacksonville Historic District
Jacksonville
Jacksonville Labor Temple
Jacksonville
Woodlawn Farm
Jacksonville
Jacksonville Downtown Historic District
Jacksonville
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 Morgan County, Illinois

This page charts the census history of Morgan 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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Explore Illinois records

Illinoishistory ›NRHP historic sites ›Notable people from Illinois›

Frequently asked about Morgan

When does Morgan first appear in the US census?
Morgan, Illinois first appears in the federal census in 1830, with a recorded population of 12,714.
What is the population of Morgan?
At the most recent federal census (2020), Morgan had a recorded population of 32,915.
When did Morgan's population peak?
Morgan's recorded population peaked at 37,502 in 1980.
How many historic places are in Morgan?
11 sites are listed on the National Register of Historic Places in Morgan, Illinois.
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