Green Valley

County:: Pennington County
County Seat:: No
Area (mi²):: 3.837
State:: South Dakota

Green Valley is a CDP located in Pennington County, South Dakota. Green Valley has a 2025 population of 1,459. Green Valley is currently growing at a rate of 2.46% annually and its population has increased by 16.53% since the most recent census, which recorded a population of 1,252 in 2020.

The average household income in Green Valley is $78,414 with a poverty rate of 20.14%.The median age in Green Valley is 34.1 years: 34.5 years for males, and 34.1 years for females.

Demographics

The racial composition of Green Valley includes 73.72% White, 22.55% Native American, and smaller percentages for and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	1,108	73.72%
Native American	339	22.55%
Two or more races	56	3.73%

Green Valley Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Green Valley's average per capita income is $39,005. Household income levels show a median of $78,801. The poverty rate stands at 20.14%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$100,938	-
Families	$79,082	$83,339
Households	$78,801	$78,414
Non Families	-	$30,427

$39,005

Average Income

$78,801

Median Household Income

20.14%

Poverty Rate