Dewey County Summary

Life in Dewey County research summary. HomeSnacks has been researching the quality of life in Dewey County over the past eight years using Census data, FBI crime data, cost of living data, and other primary sources. Based on the most recently available data, we found the following about life in Dewey County:

  • The population in Dewey County is 5,275.

  • The median home value in Dewey County is $99,908.

  • The median income in Dewey County is $55,077.

  • The median rent in Dewey County is $670.

  • The unemployment rate in Dewey County is 14.6%.

  • The poverty rate in Dewey County is 30.9%.

  • The average high in Dewey County is 65.1° and there are 40.7 inches of rainfall annually.

Cities & Towns in Dewey County

List Of Cities & Towns in Dewey County

North Eagle Butte, SD Population 1,666

Eagle Butte, SD Population 1,396

Timber Lake, SD Population 627

La Plant, SD Population 300

Isabel, SD Population 188

Whitehorse, SD Population 147

Green Grass, SD Population 0

Map Of Dewey County

Dewey County, SD Weather

  • The average high in Dewey County is 65.1°.

  • There are 66.83 nice days each year.

  • Expect an average of 40.7 inches of rain each year with 11.9 inches of snow.

  • There is an average of 5:48 hours of sun each day in Dewey County.

StatDewey County
Mean High65.1
Nice Days66.83
Rainfall40.7
Snowfall11.9
Sunny_hours5:48
65.1°
Average High
40.7
Inches of Rain

Dewey County Demographics

Population over time in Dewey County

The current population in Dewey County is 5,275. The population has decreased -8.4% from 2019.

Year Population % Change
2022 5,343 -8.5%
2021 5,841 0.1%
2020 5,833 -

Gender in Dewey County

  • Dewey County is 49.8% female with 2,627 female residents.

  • Dewey County is 50.2% male with 2,647 male residents.

Female
49.8% (2,627)
Male
50.2% (2,647)
Gender Dewey County SD USA
Female 49.8% 49.3% 50.4%
Male 50.2% 50.7% 49.6%

Race / Ethnicity in Dewey County

Dewey County is:

  • 18.7% White with 985 White residents.

  • 0.4% African American with 19 African American residents.

  • 77.2% American Indian with 4,071 American Indian residents.

  • 0.1% Asian with 3 Asian residents.

  • 0.6% Hawaiian with 30 Hawaiian residents.

  • 0.0% Other with 0 Other residents.

  • 2.1% Two Or More with 113 Two Or More residents.

  • 1.0% Hispanic with 54 Hispanic residents.

White
18.7% (985)
African American
0.4% (19)
American Indian
77.2% (4,071)
Asian
0.1% (3)
Hawaiian
0.6% (30)
Other
0.0% (0)
Two Or More
2.1% (113)
Hispanic
1.0% (54)

Table: Dewey County By Race

Race Dewey County SD USA
White 18.7% 80.6% 58.9%
African American 0.4% 2.2% 12.1%
American Indian 77.2% 7.6% 0.6%
Asian 0.1% 1.4% 5.7%
Hawaiian 0.6% 0.1% 0.2%
Other 0.0% 0.2% 0.4%
Two Or More 2.1% 3.5% 3.5%
Hispanic 1.0% 4.4% 18.7%

Household Income For Dewey County, South Dakota

  • 8.4% of households in Dewey County earn Less than $10,000.

  • 6.2% of households in Dewey County earn $10,000 to $14,999.

  • 8.7% of households in Dewey County earn $15,000 to $24,999.

  • 8.7% of households in Dewey County earn $25,000 to $34,999.

  • 13.5% of households in Dewey County earn $35,000 to $49,999.

  • 23.4% of households in Dewey County earn $50,000 to $74,999.

  • 12.2% of households in Dewey County earn $75,000 to $99,999.

  • 10.9% of households in Dewey County earn $100,000 to $149,999.

  • 5.5% of households in Dewey County earn $150,000 to $199,999.

  • 2.6% of households in Dewey County earn $200,000 or more.

Less than $10,000
8.4% (444)
$10,000 to $14,999
6.2% (327)
$15,000 to $24,999
8.7% (456)
$25,000 to $34,999
8.7% (456)
$35,000 to $49,999
13.5% (711)
$50,000 to $74,999
23.4% (1,234)
$75,000 to $99,999
12.2% (645)
$100,000 to $149,999
10.9% (573)
$150,000 to $199,999
5.5% (289)
$200,000 or more
2.6% (135)
Income Dewey County SD USA
Less than $10,000 8.4% 4.2% 4.9%
$10,000 to $14,999 6.2% 3.7% 3.8%
$15,000 to $24,999 8.7% 7.3% 7.0%
$25,000 to $34,999 8.7% 8.2% 7.4%
$35,000 to $49,999 13.5% 12.3% 10.7%
$50,000 to $74,999 23.4% 17.8% 16.1%
$75,000 to $99,999 12.2% 15.0% 12.8%
$100,000 to $149,999 10.9% 17.6% 17.1%
$150,000 to $199,999 5.5% 7.4% 8.8%
$200,000 or more 2.6% 6.5% 11.4%

Highest level of educational attainment in Dewey County for adults over 25

  • 2.0% of adults in Dewey County completed < 9th grade.

  • 12.0% of adults in Dewey County completed 9-12th grade.

  • 39.0% of adults in Dewey County completed high school / ged.

  • 20.0% of adults in Dewey County completed some college.

  • 10.0% of adults in Dewey County completed associate's degree.

  • 12.0% of adults in Dewey County completed bachelor's degree.

  • 5.0% of adults in Dewey County completed master's degree.

  • 0.0% of adults in Dewey County completed professional degree.

  • 0.0% of adults in Dewey County completed doctorate degree.

< 9th Grade
2% (105)
9-12th Grade
12% (633)
High School / GED
39% (2,057)
Some College
20% (1,055)
Associate's Degree
10% (527)
Bachelor's Degree
12% (633)
Master's Degree
5% (263)
Professional Degree
0% (0)
Doctorate Degree
0% (0)
Education Dewey County SD USA
< 9th Grade 2% 2% 3%
9-12th Grade 12% 5% 6%
High School / GED 39% 30% 26%
Some College 20% 20% 20%
Associate's Degree 10% 12% 9%
Bachelor's Degree 12% 21% 21%
Master's Degree 5% 7% 10%
Professional Degree 0% 2% 2%
Doctorate Degree 0% 1% 2%

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