South Dakota

Walworth

5,315
2020 population
1880
first census record
15
census records

About Walworth

Walworth, South Dakota, first appears in the United States federal census in 1880, when it recorded a population of 46. At the most recent census, in 2020, its population stood at 5,315.

Its recorded population peaked at 8,791 in 1930, and has since declined by roughly 40 percent.

On the ground today, 4 documented military engagements have been recorded within the county, among them Mobridge Site Conflicts, Leavenworth Site Violence (South Dakota), Mobridge Site Conflict – South Dakota, and 13 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
20205,315
20105,438
20005,974
19906,087
19807,011
19707,842
19608,097
19507,648
19407,274
19308,791
19208,447
19106,488
19003,839
18902,153
188046
Source

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

Battles & engagements in Walworth

Military engagements that took place in Walworth, South Dakota.

Mobridge Site Conflicts
1400
Leavenworth Site Violence (South Dakota)
1450
Mobridge Site Conflict – South Dakota
1450
Protohistoric Arikara Conflict (Mobridge/Leavenworth Area)
1550

Historic places in Walworth

National Register of Historic Places listings in Walworth, South Dakota.

Walworth County Courthouse
Selby
Mobridge Masonic Temple
Mobridge
Brown, A. H., Public Library
Mobridge
Browse all South Dakotahistoric sites ›

Other counties in South Dakota

Explore census history and historic records for more South Dakota counties.

RobertsRosebud ReservationSanbornSchnasseScobeyShannonSisseton and Wahpeton ReservationSpinkStanding Rock ReservationStanleySterlingSullyToddTrippTurnerUnionWashabaughWashingtonYanktonZiebach
Unlimited access

Everything a full report reveals about Walworth County, South Dakota

This page charts the census history of Walworth County, South Dakota. 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 Walworth County, South Dakota report
Or see a real report first

Explore South Dakota records

South Dakotahistory ›NRHP historic sites ›Notable people from South Dakota›

Frequently asked about Walworth

When does Walworth first appear in the US census?
Walworth, South Dakota first appears in the federal census in 1880, with a recorded population of 46.
What is the population of Walworth?
At the most recent federal census (2020), Walworth had a recorded population of 5,315.
When did Walworth's population peak?
Walworth's recorded population peaked at 8,791 in 1930.
Were any battles fought in Walworth?
4 documented military engagements took place in Walworth, including Mobridge Site Conflicts, Leavenworth Site Violence (South Dakota), Mobridge Site Conflict – South Dakota.
How many historic places are in Walworth?
13 sites are listed on the National Register of Historic Places in Walworth, South Dakota.
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