Demographics in Rock County
Metro Area
9,659
Population
303,827
Sioux Falls Metro Area
19
Population Density
41
Median Age
35
Sioux Falls Metro Area
Age Distribution
Metro Area
Baby Boomers (Age 55+)
39%
32%
Gen X (Age 41-55)
12%
13%
Millennials (Age 20-40)
21%
27%
Gen Z (Age 0-19)
28%
27%
Gender
Male
49%
Female
51%
Race & Ethnicity
Metro Area
White
93%
82%
Asian
1%
2%
Two or more races
2%
4%
Community
Metro Area
Married
59%
52%
Single
26%
33%
Divorced
10%
10%
Widowed
6%
5%
Language
English Only
97%
Spanish
2%
Indo-European
1%
Health Insurance Coverage By Age
Total Coverage
98%
Under 19 years
27%
19 to 60 years
53%
60 years and over
18%
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