Indiana

Miami

35,962
2020 population
1840
first census record
19
census records

About Miami

Miami, Indiana, first appears in the United States federal census in 1840, when it recorded a population of 3,048. At the most recent census, in 2020, its population stood at 35,962.

Its recorded population peaked at 39,820 in 1980, and has since declined by roughly 10 percent.

On the ground today, one documented military engagement has been recorded within the county, among them Battle of Mississinewa, and 17 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202035,962
201036,903
200036,082
199036,897
198039,820
197039,246
196038,000
195028,201
194027,926
193029,032
192028,668
191029,350
190028,344
189025,823
188024,083
187021,052
186016,851
185011,304
18403,048
Source

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

Battles & engagements in Miami

Military engagements that took place in Miami, Indiana.

Battle of Mississinewa
1812

Historic places in Miami

National Register of Historic Places listings in Miami, Indiana.

B-17G "Flying Fortress" No. 44-83690
Grissom Air Force Base
Brownell Block/Senger Dry Goods Company Building
Peru
Converse-Jackson Township Public Library
Converse
Wallace Circus and American Circus Corporation Winter Quarters
Peru
Westleigh Farms
Peru
Shirk-Edwards House
Peru
Peru High School Historic District
Peru
Miami County Courthouse
Peru
Jacobs, Terrell, Circus Winter Quarters
Peru
Browse all Indianahistoric sites ›

Other counties in Indiana

Explore census history and historic records for more Indiana counties.

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Everything a full report reveals about Miami County, Indiana

This page charts the census history of Miami County, Indiana. 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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Indianahistory ›NRHP historic sites ›Notable people from Indiana›

Frequently asked about Miami

When does Miami first appear in the US census?
Miami, Indiana first appears in the federal census in 1840, with a recorded population of 3,048.
What is the population of Miami?
At the most recent federal census (2020), Miami had a recorded population of 35,962.
When did Miami's population peak?
Miami's recorded population peaked at 39,820 in 1980.
Were any battles fought in Miami?
1 documented military engagement took place in Miami, including Battle of Mississinewa.
How many historic places are in Miami?
17 sites are listed on the National Register of Historic Places in Miami, Indiana.
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