Kentucky

Marion

19,581
2020 population
1840
first census record
19
census records

About Marion

Marion, Kentucky, first appears in the United States federal census in 1840, when it recorded a population of 11,032. At the most recent census, in 2020, its population stood at 19,581.

Its recorded population peaked at 19,820 in 2010, and has since declined by roughly 1 percent.

On the ground today, 10 documented military engagements have been recorded within the county, among them Morgan's Raid – Lebanon, KY (Christmas Raid), Skirmish at Lebanon (Morgan's First Raid), Action at Lebanon (September 1862 — Confederate Occupation), and 13 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202019,581
201019,820
200018,212
199016,499
198017,910
197016,714
196016,887
195017,212
194016,913
193015,499
192015,527
191016,330
190016,290
189015,648
188014,693
187012,838
186012,593
185011,765
184011,032
Source

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

Battles & engagements in Marion

Military engagements that took place in Marion, Kentucky.

Morgan's Raid – Lebanon, KY (Christmas Raid)
1862
Skirmish at Lebanon (Morgan's First Raid)
1862
Action at Lebanon (September 1862 — Confederate Occupation)
1862
Morgan's First Kentucky Raid – Lebanon, KY
1862
Battle of Lebanon Kentucky (Morgan)
1863
Skirmish at Loretto (Marion County)
1863
Battle of Lebanon
1863
Battle of Lebanon KY
1863
Battle of Lebanon (Kentucky)
1863
Quantrill — Marion County Raids
1865

Historic places in Marion

National Register of Historic Places listings in Marion, Kentucky.

Lebanon Historic Commercial District
Lebanon
Offutt, Capt. Andrew, Monument
Lebanon
Purdom, Clel, House
Lebanon
Lebanon National Cemetery
Lebanon
Browse all Kentuckyhistoric sites ›

Other counties in Kentucky

Explore census history and historic records for more Kentucky counties.

BoydBoyleBrackenBreathittBreckinridgeBullittButlerCaldwellCallowayCampbellCarlisleCarrollCarterCaseyChristianClarkClayClintonCrittendenCumberland
Unlimited access

Everything a full report reveals about Marion County, Kentucky

This page charts the census history of Marion County, Kentucky. 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.
First month just $5.99, then $11.99 a month. Unlimited locations, cancel anytime.

Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.

Start your Marion County, Kentucky report
Or see a real report first

Explore Kentucky records

Kentuckyhistory ›NRHP historic sites ›Notable people from Kentucky›

Frequently asked about Marion

When does Marion first appear in the US census?
Marion, Kentucky first appears in the federal census in 1840, with a recorded population of 11,032.
What is the population of Marion?
At the most recent federal census (2020), Marion had a recorded population of 19,581.
When did Marion's population peak?
Marion's recorded population peaked at 19,820 in 2010.
Were any battles fought in Marion?
10 documented military engagements took place in Marion, including Morgan's Raid – Lebanon, KY (Christmas Raid), Skirmish at Lebanon (Morgan's First Raid), Action at Lebanon (September 1862 — Confederate Occupation).
How many historic places are in Marion?
13 sites are listed on the National Register of Historic Places in Marion, Kentucky.
Aubrey Research

Research the history of any US location

Aubrey searches federal archives, archaeological records, historic registers, and primary sources to build a full historical report for any address or place in the United States.

Research your locationView a free sample report