Dewey County

The median income of households in Dewey County, South Dakota was $54,104. An estimated 9.7% of households had income below $10,000 a year and 2.7% had income of $200,000 or more.

An estimated 74.1% of households received earnings. An estimated 24.3% of households received Social Security and an estimated 15.6 % of households received retirement income other than Social Security. The average income from Social Security was $18,026. These income sources are not mutually exclusive; that is, some households received income from more than one source.

In 2020-2024, 33 % of people were in poverty. An estimated 36.3% of children under 18 were below the poverty level, compared with 31.9% of people 65 years old and over. An estimated 30.8% of people 18 to 64 years were below the poverty level.

In 2020-2024, 21.2 % of households received SNAP (the Supplemental Nutrition Assistance Program). An estimated 54.9% of households that received SNAP had children under 18, and 50.7% of households that received SNAP had one or more people 60 years and over. An estimated 52.4% of all households receiving SNAP were families with a female householder and no spouse present.

Among the civilian noninstitutionalized population in Dewey County, South Dakota in 2020-2024, 78.8% had health insurance coverage and 21.2% did not have health insurance coverage. Private coverage was 37.7% and public coverage was 46.9%, respectively. The percentage of children under the age of 19 with no health insurance coverage was 12.8%.

In 2020-2024, Dewey County, South Dakota had a total population of 5,205 - 2,603 (50%) females and 2,602 (50%) males. The median age was 27.7 years. An estimated 38.3% of the population was under 18 years, 29.2% was 19 to 44 years, 19.5% was 45 to 64 years, and 10 % was 65 years and older.

In 2020-2024, there were 1,692 households in Dewey County, South Dakota. The average household size was 3.03 people.

Married-couple households made up 32.7% of the households in Dewey County, South Dakota while cohabiting couple households made up 10.3% of households. Female householders with no spouse or partner present were 32.5% of all households, while 24.5% of households had male householders with no spouse or partner present. Some households had one person, as 16.7% of households were male householders living alone, and 11.2% were female householders living alone, for a total of 27.9% of all households.

In Dewey County, South Dakota, 43.3% of all households had one or more people under the age of 18; 26.5% of all households had one or more people 65 years and over.

In 2020-2024, an estimated 99.6% of the people living in Dewey County, South Dakota were U.S. natives. 85.2% of the Dewey County, South Dakota population were living in the state where they were born.

Approximately 0.4% of Dewey County, South Dakota residents in 2020-2024 were foreign-born. 13.6% of foreign-born were naturalized U.S. citizens and an estimated 50 % entered the country before the year 2010.

Foreign-born residents of Dewey County, South Dakota come from different parts of the world. The bar graph below displays the percentage of foreign-born from each world region of birth in 2020-2024 for Dewey County, South Dakota.

Among people at least five years old living in Dewey County, South Dakota in 2020-2024, 6.1 % spoke a language other than English at home. Spanish was spoken by 0.2% of people at least five years old; 0.1% reported that they did not speak English "very well."

In 2020-2024, 96.7 % of the people at least one year old living in Dewey County, South Dakota were living in the same house one year earlier.

In 2020-2024, 86.7 % of people 25 years and over had at least graduated from high school and 18.8% had a bachelor's degree or higher. An estimated 13.3% did not complete high school.

The total school enrollment in Dewey County, South Dakota was 1,752 in 2020-2024. Nursery school enrollment was 231 and kindergarten through 12th grade enrollment was 1,344. College or graduate school enrollment was 177.

In Dewey County, South Dakota, among the civilian noninstitutionalized population in 2020-2024, 10.6 % reported a disability. The likelihood of having a disability varied by age - from 2.2% of people under 18 years old, to 12.2% of people 18 to 64 years old, and to 34% of those 65 and over.

In Dewey County, South Dakota, 53 % of the population 16 and over were employed; 38.3% were not currently in the labor force.

An estimated 37.7% of the people employed were private wage and salary workers; 47.3% were federal, state, or local government workers; and 14.9 % were self-employed in their own (not incorporated) business.

In 2020-2024, the civilian employed population 16 years and older in Dewey County, South Dakota worked in the following industries:

An estimated 71.9% of Dewey County, South Dakota workers drove to work alone in 2020-2024, and 8.9% carpooled. Among those who commuted to work, it took them on average 18.5 minutes to get to work.

In 2020-2024, Dewey County, South Dakota had a total of 1,931 housing units. Of these housing units, 78.1% were single-family houses either not attached to any other structure or attached to one or more structures (commonly referred to as "townhouses" or "row houses"). 8.1% of the housing units were located in multi-unit structures, or those buildings that contained two or more apartments. 13.9% were mobile homes, while any remaining housing units were classified as "other," which included boats, recreational vehicles, vans, etc.

5.3% of the housing inventory was comprised of houses built since 2010, while 9% of the houses were first built in 1939 or earlier. The median number of rooms in all housing units in Dewey County, South Dakota was 5.2 rooms, and of these housing units 69.8% had three or more bedrooms.

In 2020-2024, Dewey County, South Dakota had 1,692 housing units that were occupied or had people living in them, while the remaining 239 were vacant. Of the occupied housing units, the percentage of these houses occupied by owners (also known as the homeownership rate) was 61.2% while renters occupied 38.8%. The average household size of owner-occupied houses was 2.93 and in renter-occupied houses it was 3.18.

0.8% of householders of these occupied houses had moved into their house since 2021, while 14.5% moved into their house in 1989 or earlier. Households without a vehicle available for personal use comprised 11.6% and another 26.2% had three or more vehicles available for use.

The following chart provides the primary fuel used to heat houses in Dewey County, South Dakota:

In 2020-2024, the median property value for owner-occupied houses in Dewey County, South Dakota was $69,600.

Of the owner-occupied households, 35.8 % had a mortgage. 64.2% owned their houses "free and clear," that is without a primary mortgage or loan on the house. The median monthly housing costs for owners with a mortgage was $1,128 and for owners without a mortgage it was $509.

For renter-occupied houses, the median gross rent for Dewey County, South Dakota was $692. Gross rent includes the monthly contract rent and any monthly payments made for electricity, gas, water and sewer, and any other fuels to heat the house.