Dewey County, South Dakota

Interactive maps and statistics for Dewey County, South Dakota: income, age, education, housing, health and more, set beside South Dakota and the United States.

Dewey County, South Dakota is among the lowest in the country for median age, and among the lowest in the country for median home value.

Explore Dewey County, South Dakota on the map →

Key figures

Statistic	Dewey County, South Dakota	South Dakota	United States	Rank
Total Population	5,205	907,428	334,922,499	2882nd of 3,222
Median Household Income	$54,104	$75,081	$80,734	2525th of 3,221
Median Age	27.7	38.0	38.9	3202nd of 3,222
Bachelor's Degree or Higher	18.8%	31.9%	35.7%	2221st of 3,222
Median Home Value	$69,600	$257,400	$332,700	3197th of 3,217
Median Gross Rent	$692	$946	$1,413	2769th of 3,215
Poverty Rate	33.0%	11.9%	12.5%	103rd of 3,222
Unemployment Rate	13.9%	2.9%	5.2%	41st of 3,222
Population per Square Mile	2.3	12.0	n/a	3035th of 3,222
Foreign Born	0.4%	4.0%	14.1%	3113th of 3,222
Life Expectancy	61.4	n/a	n/a	3058th of 3,062
Homeownership Rate	61.2%	68.6%	65.2%	2965th of 3,222
Average Commute Time	18.5	17.8	26.4	2784th of 3,221
Worked from Home	13.5%	9.7%	15.1%	584th of 3,222
Uninsured	18.4%	n/a	n/a	345th of 3,134
Married-Couple Households	32.7%	48.3%	46.9%	3132nd of 3,222
Broadband Access	71.7%	n/a	n/a	2890th of 3,135

Rank is among all US counties with published data, counting down from the highest value. Figures come from the American Community Survey, CDC, BLS, BEA and other federal sources. Open the map for 1,147 statistics and the year and margin of error behind each one.

Race and ethnicity in Dewey County, South Dakota

Statistic	Dewey County, South Dakota	South Dakota	United States
White (non-Hispanic)	21.0%	79.8%	57.4%
Hispanic or Latino (any race)	1.0%	4.8%	19.3%
Black (non-Hispanic)	0.5%	2.1%	11.9%
Asian (non-Hispanic)	0.1%	1.4%	5.9%
Two or More Races (non-Hispanic)	3.6%	4.4%	4.3%
American Indian & Alaska Native (non-Hispanic)	73.8%	7.1%	0.5%
Native Hawaiian & Pacific Islander (non-Hispanic)	0.0%	0.0%	0.2%
Some Other Race (non-Hispanic)	0.0%	0.3%	0.6%
Diversity Index	41.0	35.4	61.4

Age in Dewey County, South Dakota

Statistic	Dewey County, South Dakota	South Dakota	United States
Median Age	27.7	38.0	38.9
Under 18 %	38.3%	24.2%	22.0%
Age 18-24 %	8.9%	9.3%	9.1%
Age 25-34 %	12.0%	12.6%	13.7%
Age 35-44 %	11.3%	12.6%	13.2%
Age 45-64 %	19.5%	23.3%	24.8%
Age 65 and Over %	10.0%	18.0%	17.2%

Households and families in Dewey County, South Dakota

Statistic	Dewey County, South Dakota	South Dakota	United States
Households	1,692	365,544	129,227,496
Average Household Size	3.0	2.4	2.5
Family Households	68.0%	61.3%	64.2%
Households with Children	43.3%	29.0%	29.5%
Single-Parent Families	35.2%	13.0%	17.3%
People Living Alone	27.8%	31.9%	28.7%
Never Married	43.7%	32.0%	34.4%

Income and poverty in Dewey County, South Dakota

Statistic	Dewey County, South Dakota	South Dakota	United States
Per Capita Income	$21,560	$40,550	$44,673
Households Under $25,000	24.3%	14.0%	14.6%
Households $50,000 to $74,999	18.4%	17.4%	15.5%
Households $100,000 to $149,999	13.1%	18.9%	17.5%
Households $200,000 or More	2.7%	8.1%	13.4%
Poverty Rate	33.0%	11.9%	12.5%
Below 200% of Poverty	49.5%	27.7%	28.2%
SNAP Households	21.2%	7.9%	n/a

Housing in Dewey County, South Dakota

Statistic	Dewey County, South Dakota	South Dakota	United States
Housing Units	1,931	408,584	143,775,355
Single-Family Detached Homes	75.6%	66.9%	61.3%
Buildings with 5+ Units	5.1%	16.2%	19.1%
Vacancy Rate	12.4%	10.5%	10.1%
Median Year Structure Built	1,978.0	1,980.0	1,980.0
Renter-Occupied	38.8%	31.4%	34.8%
Rent as % of Household Income	23.2%	25.9%	30.6%
Median Property Tax	$1,050	$2,724	n/a

Education in Dewey County, South Dakota

Statistic	Dewey County, South Dakota	South Dakota	United States
Less than High School	13.3%	6.8%	10.4%
High School Graduate	39.5%	29.0%	26.0%
Some College or Associate Degree	28.3%	32.2%	27.9%
Bachelor's Degree	12.8%	21.9%	21.6%
Graduate or Professional Degree	6.0%	10.0%	14.1%

Work and commuting in Dewey County, South Dakota

Statistic	Dewey County, South Dakota	South Dakota	United States
Labour Force Participation	61.7%	67.2%	63.5%
Drove Alone to Work	71.9%	77.0%	68.8%
Public Transit	0.6%	0.5%	3.2%
Walked to Work	2.4%	3.1%	2.4%
Commutes Under 15 Minutes	67.2%	48.6%	26.0%
Commutes Over an Hour	6.3%	3.6%	8.6%
Households Without a Car	11.6%	5.2%	n/a

Origins and language in Dewey County, South Dakota

Statistic	Dewey County, South Dakota	South Dakota	United States
Born in State of Residence	85.2%	62.4%	57.3%
Naturalised Citizens	0.1%	1.7%	7.4%
Non-Citizens	0.4%	2.3%	6.8%
Speaks Only English at Home	93.9%	92.9%	77.7%
Speaks Spanish at Home	0.2%	2.6%	13.6%
Limited English Proficiency	6.1%	6.3%	16.7%

See every county in South Dakota.