How many people live in ?

Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 4,300 people living in Deuel County, SD. That makes Deuel County the 38th-most populous county in South Dakota. It is home to 0.46% of people living in the state.

4.34K

population of Deuel County, SD (2024)

0.46%

County share of the South Dakota population (2024)

About 4,300 people lived in Deuel County, SD in 2024.

Population estimates, 2000–2024

What are Deuel County, SD’s age demographics?

About 984 Deuel County residents are aged 65 and older in 2024. That represents 22.7% of its population. For comparison, the age group represents 18.9% of South Dakota’s population and 18% in the US overall.
Another 1,100 Deuel County residents, or 24.7% of the population, were children under 18. For comparison, the age group represents 24% of South Dakota’s population and 21.6% in the US overall.


A lower share of Deuel County, SD's population is aged 25–44 than the US as a whole.

Population estimates by age group, (2024)

What are Deuel County, SD’s racial and ethnic demographics?

Non-Hispanic white residents make up 94% of the Deuel County, SD population, higher than the national share of 57.5%.
In contrast, Deuel County’s Hispanic population accounts for 3%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 0.83% of the county, compared with 12.6% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.

Deuel County, SD has a higher share of a non-Hispanic white population than South Dakota as a whole.

Population estimates by race and ethnicity, (2024)

The largest city or town in Deuel County, SD is Clear Lake with about 1,200 residents in 2024.

Cities and towns in Deuel County, SD ranked by population

Population (2024), includes only portions within county

Cities and towns in Deuel County, SD ranked by population
City or townPopulation
1.

Clear Lake

1,201
2.

Norden 

293
3.

Gary 

233
4.

Clear Lake

232
5.

Scandinavia 

223
6.

Havana 

200
7.

Goodwin 

196
8.

Toronto 

195
9.

Herrick 

153
10.

Goodwin 

150

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Methodology

USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.

The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.

Page sources

USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.