County profile

Brookings County

South Dakota · ACS 2020–2024

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Latest estimates

At a glance

U.S. Census Bureau American Community Survey 5-year estimates.

Total population
35,353
Median household income
$70,064
People below poverty
13.2%
Median home value
$264,600

Income

The median income of households in Brookings County, South Dakota was $70,064. An estimated 3.4% of households had income below $10,000 a year and 5.9% had income of $200,000 or more.

Household Income in Brookings County, South Dakota in 2020-2024

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Percent
Less than $10,000 3.4
$10,000 to $14,999 3.7
$15,000 to $24,999 8.7
$25,000 to $34,999 5.7
$35,000 to $49,999 12.6
$50,000 to $74,999 18.9
$75,000 to $99,999 10.9
$100,000 to $149,999 21
$150,000 to $199,999 9.3
$200,000 or more 5.9

Median Earnings for Full-Time Year-Round Workers by Sex in Brookings County, South Dakota in 2020-2024

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Dollars
Male 61005
Female 51639

An estimated 83.7% of households received earnings. An estimated 25.4% of households received Social Security and an estimated 19.2 % of households received retirement income other than Social Security. The average income from Social Security was $24,367. These income sources are not mutually exclusive; that is, some households received income from more than one source.

Proportion of Households with Various Income Sources in Brookings County, South Dakota in 2020-2024

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Percent
Earnings 83.7
Social Security 25.4
Retirement income 19.2
Supplemental Security Income (SSI) 1.6
Cash public assistance income 0.7

Poverty and Participation in Government Programs

In 2020-2024, 13.2 % of people were in poverty. An estimated 4.8% of children under 18 were below the poverty level, compared with 8.8% of people 65 years old and over. An estimated 17.2% of people 18 to 64 years were below the poverty level.

Poverty Rates in Brookings County, South Dakota in 2020-2024

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Percent
People in poverty 13.2
Children under 18 years below poverty 4.8
People 65 years old and over below poverty 8.8
People 18 to 64 years below poverty 17.2

In 2020-2024, 4.4 % of households received SNAP (the Supplemental Nutrition Assistance Program). An estimated 26.7% of households that received SNAP had children under 18, and 44.6% of households that received SNAP had one or more people 60 years and over. An estimated 9.7% of all households receiving SNAP were families with a female householder and no spouse present.


Among the civilian noninstitutionalized population in Brookings County, South Dakota in 2020-2024, 94.9% had health insurance coverage and 5.1% did not have health insurance coverage. Private coverage was 82.1% and public coverage was 21.5%, respectively. The percentage of children under the age of 19 with no health insurance coverage was 3.5%.


In 2020-2024, Brookings County, South Dakota had a total population of 35,353 - 17,358 (49.1%) females and 17,995 (50.9%) males. The median age was 28 years. An estimated 21.1% of the population was under 18 years, 40.4% was 19 to 44 years, 17% was 45 to 64 years, and 13.4 % was 65 years and older.

Population by Age and Sex for Brookings County, South Dakota in 2020-2024

Male Female
Under 5 908 962
5 to 9 1222 1233
10 to 14 977 888
15 to 19 1905 2269
20 to 24 3022 2773
25 to 29 1476 985
30 to 34 1166 894
35 to 39 947 965
40 to 44 1043 995
45 to 49 781 673
50 to 54 720 687
55 to 59 674 660
60 to 64 931 861
65 to 69 676 841
70 to 74 681 576
75 to 79 443 506
80 to 84 219 265
85 and over 204 325

Hispanic Origin and Race

For people reporting one race alone, 87.9% were White; 1.1% were Black or African American; 4.1% were American Indian and Alaska Native; 3.3% were Asian; 0.4% were Native Hawaiian and Other Pacific Islander, and 0% were Some Other Race. An estimated 4.4% reported Two or More Races. An estimated 4.6% of the people in Brookings County, South Dakota were Hispanic or Latino. An estimated 87.5% of the people in Brookings County, South Dakota were White alone, non-Hispanic. People of Hispanic origin may be of any race.


Households and Families

In 2020-2024, there were 13,798 households in Brookings County, South Dakota. The average household size was 2.33 people.

Married-couple households made up 44.1% of the households in Brookings County, South Dakota while cohabiting couple households made up 8.3% of households. Female householders with no spouse or partner present were 23.8% of all households, while 23.8% of households had male householders with no spouse or partner present. Some households had one person, as 17.1% of households were male householders living alone, and 18.3% were female householders living alone, for a total of 35.4% of all households.

In Brookings County, South Dakota, 23.9% of all households had one or more people under the age of 18; 24.3% of all households had one or more people 65 years and over.

Types of Households in Brookings County, South Dakota in 2020-2024

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Percent
Married-couple households 44.1
Cohabiting Couples 8.3
Male Householder
No spouse/partner present
23.8
Female Householder
No spouse/partner present
23.8

Marital Status

Among persons 15 and older, 42.3% of males and 44.2% of females were currently married.

Population 15 years and over Percent
Males
Percent
Females
Never married 49.7 43.4
Now married, except separated 42.3 44.2
Separated 0.7 1.2
Widowed 1.5 4.3
Divorced 5.7 6.8

Grandparents and Grandchildren

In Brookings County, South Dakota, 183 grandparents lived with their grandchildren under 18 years old. Of those grandparents, 31.7% were responsible for the basic needs of their grandchildren.


Nativity and Foreign-Born

In 2020-2024, an estimated 93.8% of the people living in Brookings County, South Dakota were U.S. natives. 53.5% of the Brookings County, South Dakota population were living in the state where they were born.

Approximately 6.2% of Brookings County, South Dakota residents in 2020-2024 were foreign-born. 27% of foreign-born were naturalized U.S. citizens and an estimated 31.6 % entered the country before the year 2010.

Foreign-born residents of Brookings 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 Brookings County, South Dakota.

Region of Birth for the Foreign-Born Population in Brookings County, South Dakota in 2020-2024

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Percent
Latin America 17.1
Asia 46.2
Europe 18.8
Africa 15
Northern America 2.9
Oceania 0

Language

Among people at least five years old living in Brookings County, South Dakota in 2020-2024, 9.7 % spoke a language other than English at home. Spanish was spoken by 3.5% of people at least five years old; 2.1% reported that they did not speak English "very well."

Percentage of the Population 5 years and over who Speak a Language other than English in Brookings County, South Dakota in 2020-2024

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Percent
Spanish 3.5
Other Indo-European languages 4.2
Asian and Pacific Islander languages 1.2
Other languages 0.8

Geographic Mobility

In 2020-2024, 74.7 % of the people at least one year old living in Brookings County, South Dakota were living in the same house one year earlier.

Geographic Mobility of Residents of Brookings County, South Dakota in 2020-2024

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Percent
Same house 74.7
Different house, same county 12
Different county, same state 5.5
Different state 7.3
Abroad 0.5

Education

In 2020-2024, 97.1 % of people 25 years and over had at least graduated from high school and 42.5% had a bachelor's degree or higher. An estimated 2.9% did not complete high school.

The total school enrollment in Brookings County, South Dakota was 13,273 in 2020-2024. Nursery school enrollment was 618 and kindergarten through 12th grade enrollment was 5,138. College or graduate school enrollment was 7,517.

Educational Attainment of People in Brookings County, South Dakota in 2020-2024

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Percent
Less than high school diploma 2.9
High school diploma or equivalency 24.4
Some college, no degree 19.1
Associate's degree 11.1
Bachelor's degree 28.2
Graduate or professional degree 14.3

Disability

In Brookings County, South Dakota, among the civilian noninstitutionalized population in 2020-2024, 9.2 % reported a disability. The likelihood of having a disability varied by age - from 3.4% of people under 18 years old, to 7.1% of people 18 to 64 years old, and to 29.2% of those 65 and over.


Employment Status and Type of Employer

In Brookings County, South Dakota, 66.3 % of the population 16 and over were employed; 31% were not currently in the labor force.

An estimated 72.9% of the people employed were private wage and salary workers; 21.1% were federal, state, or local government workers; and 5.9 % were self-employed in their own (not incorporated) business.

Class of worker Number Percent
Private wage and salary workers 13,892 72.9
Federal, state, or local government workers 4,024 21.1
Self-employed workers in own not incorporated business 1,126 5.9

Industries

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

Percent by Industry in Brookings County, South Dakota in 2020-2024

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Percent
Agriculture, forestry, fishing and hunting, and mining 6.4
Construction 4.4
Manufacturing 21
Wholesale trade 0.9
Retail trade 9
Transportation and warehousing, and utilities 2.3
Information 1.6
Finance and insurance, and real estate and rental and leasing 4.8
Professional, scientific, and management, and administrative and waste management services 7.4
Educational services, and health care and social assistance 27.2
Arts, entertainment, and recreation, and accommodation, and food services 8.9
Other Services, except public administration 4.1
Public administration 2

Occupations

Occupations for the Civilian Employed Population 16 Years and over in Brookings County, South Dakota in 2020-2024

Civilian employed population 16 years and over Number Percent
Management, business, sciences, and arts occupations 8,175 42.9
Service occupations 2,840 14.9
Sales and office occupations 3,247 17
Natural resources, construction, and maintenance occupations 1,582 8.3
Production, transportation, and material moving occupations 3,217 16.9

Commuting to Work

An estimated 73.9% of Brookings County, South Dakota workers drove to work alone in 2020-2024, and 9.2% carpooled. Among those who commuted to work, it took them on average 14.3 minutes to get to work.

Percent of Workers 16 and over Commuting by Mode in Brookings County, South Dakota in 2020-2024

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Percent
Car, truck, van -- drove alone 73.9
Car, truck, van -- carpooled 9.2
Public transportation (excluding taxicab) 0.5
Walked 3.9
Other means 1.5
Worked from home 11.1

In 2020-2024, Brookings County, South Dakota had a total of 15,179 housing units. Of these housing units, 65.5% 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"). 28.2% of the housing units were located in multi-unit structures, or those buildings that contained two or more apartments. 6.1% were mobile homes, while any remaining housing units were classified as "other," which included boats, recreational vehicles, vans, etc.

Types of Housing Units in Brookings County, South Dakota in 2020-2024

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Percent
Single-family houses 65.5
Apartments in multi-unit structures 28.2
Mobile homes 6.1
Boat, RV, van, etc 0.1

20% of the housing inventory was comprised of houses built since 2010, while 16.3% of the houses were first built in 1939 or earlier. The median number of rooms in all housing units in Brookings County, South Dakota was 5.7 rooms, and of these housing units 61% had three or more bedrooms.


In 2020-2024, Brookings County, South Dakota had 13,798 housing units that were occupied or had people living in them, while the remaining 1,381 were vacant. Of the occupied housing units, the percentage of these houses occupied by owners (also known as the homeownership rate) was 57.2% while renters occupied 42.8%. The average household size of owner-occupied houses was 2.57 and in renter-occupied houses it was 2.

8.4% of householders of these occupied houses had moved into their house since 2021, while 6.5% moved into their house in 1989 or earlier. Households without a vehicle available for personal use comprised 5.2% and another 29.3% had three or more vehicles available for use.

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

House Heating Fuel Used in Brookings County, South Dakota in 2020-2024

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Percent
Gas 59.4
Electricity 37.6
Fuel oil, kerosene, etc 1.1
All other fuels 1
No fuel used 0.9

In 2020-2024, the median property value for owner-occupied houses in Brookings County, South Dakota was $264,600.

Of the owner-occupied households, 55.6 % had a mortgage. 44.4% 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 $1,735 and for owners without a mortgage it was $695.

For renter-occupied houses, the median gross rent for Brookings County, South Dakota was $901. 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.