Minnesota

Hennepin

1,281,565
2020 population
1860
first census record
17
census records

About Hennepin

Hennepin, Minnesota, first appears in the United States federal census in 1860, when it recorded a population of 12,849. At the most recent census, in 2020, its population stood at 1,281,565.

The county's recorded population has risen across the decades to its highest level in 2020.

On the ground today, 3 documented military engagements have been recorded within the county, among them Fort Snelling Internment Camp 1862–1863, Fort Snelling Dakota Internment — Winter 1862, Minnesota — Fort Snelling Dakota Internment, and 191 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
20201,281,565
20101,152,425
20001,116,200
19901,032,431
1980941,411
1970960,080
1960842,854
1950676,579
1940568,899
1930517,785
1920415,419
1910333,480
1900228,340
1890185,294
188067,013
187031,566
186012,849
Source

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

Battles & engagements in Hennepin

Military engagements that took place in Hennepin, Minnesota.

Fort Snelling Internment Camp 1862–1863
1862
Fort Snelling Dakota Internment — Winter 1862
1862
Minnesota — Fort Snelling Dakota Internment
1862

Historic places in Hennepin

National Register of Historic Places listings in Hennepin, Minnesota.

Cahill School
Edina
Carpenter, Elbert L., House
Minneapolis
Minnehaha Historic District
Minneapolis
Milwaukee Avenue Historic District
Minneapolis
Minnehaha Grange Hall
Edina
Washburn-Fair Oaks Mansion District
Minneapolis
Sound 80
Minneapolis
Chicago, Milwaukee and St. Paul Railroad Grade Separation
Minneapolis
Pillsbury A Mill
Minneapolis
Rand Tower
Minneapolis
Thompson Summer House
Minnetonka Beach
Grace Evangelical Lutheran Church
Minneapolis
Semple, Anne C. and Frank B., House
Minneapolis
Lake Street Sash and Door Company
Minneapolis
East Lake Branch Library
Minneapolis
Newell, George R., House
Minneapolis
Fowler Methodist Episcopal Church
Minneapolis
Ames-Florida House
Rockford
Gideon, Peter, Farmhouse
Shorewood
Nokomis Knoll Residential Historic District
Minneapolis
Country Club Historic District
Edina
Minneapolis Warehouse Historic District
Minneapolis
Minneapolis Brewing Company
Minneapolis
Glen Lake Children's Camp
Eden Prairie
Browse all Minnesotahistoric sites ›

Other counties in Minnesota

Explore census history and historic records for more Minnesota counties.

MurrayNicolletNoblesNormanOlmstedOtter TailPenningtonPiercePinePipestonePolkPopeRamseyRed LakeRedwoodRenvilleRiceRockRoseauScott
Unlimited access

Everything a full report reveals about Hennepin County, Minnesota

This page charts the census history of Hennepin County, Minnesota. 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 Hennepin County, Minnesota report
Or see a real report first

Explore Minnesota records

Minnesotahistory ›NRHP historic sites ›Notable people from Minnesota›

Frequently asked about Hennepin

When does Hennepin first appear in the US census?
Hennepin, Minnesota first appears in the federal census in 1860, with a recorded population of 12,849.
What is the population of Hennepin?
At the most recent federal census (2020), Hennepin had a recorded population of 1,281,565.
Were any battles fought in Hennepin?
3 documented military engagements took place in Hennepin, including Fort Snelling Internment Camp 1862–1863, Fort Snelling Dakota Internment — Winter 1862, Minnesota — Fort Snelling Dakota Internment.
How many historic places are in Hennepin?
191 sites are listed on the National Register of Historic Places in Hennepin, Minnesota.
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