Brookings County, South Dakota Population 2023

35,098

Brookings County, South Dakota's estimated 2023 population is 35,098 with a growth rate of 0.69% in the past year according to the most recent United States census data. Brookings County, South Dakota is the 5th largest county in South Dakota. The 2010 population was 31,965 and has seen a growth of 9.8% since that time.

Note: data after 2021 is projected based on recent change

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2023 Growth Rate
0.69% (241)
County Website
Brookings County
Founded
1871
County Seat
Brookings
2010 Population
31,965
Growth Since 2010
9.8% (3,133)

Brookings County, South Dakota Population 2023

Population by Race

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White

Two or more races

Asian

Black or African American

Native American

Other race

Native Hawaiian or Pacific Islander

Brookings County, South Dakota Population by Race

Brookings County, South Dakota Population Pyramid 2023

Brookings County, South Dakota Median Age

27.4

Total

27.5

Male

27.2

Female

Brookings County, South Dakota Adults

There are 27,120 adults, (4,171 of whom are seniors) in Brookings County, South Dakota.

Brookings County, South Dakota Age Dependency

49.5

Age Dependency Ratio

18.2

Old Age Dependency Ratio

31.4

Child Dependency Ratio

Brookings County, South Dakota Sex Ratio

Female16,79248.93%
Male17,52351.07%

Brookings County, South Dakota Population by Age

Brookings County, South Dakota Renter vs Owner Occupied by Household Type

3.11

Average Family Size

2.32

Average Household Size

59.6%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Brookings County, South Dakota Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Brookings County, South Dakota Educational Attainment by Sex (over 25)

Brookings County, South Dakota Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among asian people with a rate of 77.21%.

The highest rate of bachelors degrees is among asian people with a rate of 68.6%.

Brookings County, South Dakota Educational Attainment by Race

All

Male

Female

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$43,849

Average Earnings

$48,995

Average Male

$40,251

Average Female

Brookings County, South Dakota Earnings by Educational Attainment

Brookings County, South Dakota Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Brookings County, South Dakota Language

92.81% of Brookings County, South Dakota residents speak only English, while 7.19% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 2.63% of the population.

Brookings County, South Dakota Language

Brookings County, South Dakota Poverty by Race

rate

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12.06%

Overall Poverty Rate

11.61%

Male Poverty Rate

12.53%

Female Poverty Rate

Poverty in Brookings County, South Dakota

The race most likely to be in poverty in Brookings County, South Dakota is Hispanic, with 32.34% below the poverty level.

The race least likely to be in poverty in Brookings County, South Dakota is White, with 11.99% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.6%. Among those working part-time, it was 27.01%, and for those that did not work, the poverty rate was 19.84%.

Brookings County, South Dakota Poverty

rate

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Brookings County, South Dakota Poverty Rate by Education

rate

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Brookings County, South Dakota Poverty Rate by Employment Status and Sex

Brookings County, South Dakota Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Brookings County, South Dakota Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

41.3%

Overall Marriage Rate

40.0%

Male Marriage Rate

42.8%

Female Marriage Rate

Brookings County, South Dakota Married by Age and Sex

male

female

Brookings County, South Dakota Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Brookings County, South Dakota Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Brookings County, South Dakota Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,392

Number of Veterans

1,293

Male Veterans

99

Female Veterans

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Brookings County, South Dakota Veterans by War

count

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Brookings County, South Dakota Veterans by Age

count

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Brookings County, South Dakota Veterans by Race

Brookings County, South Dakota Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

4.99%

Veteran Poverty Rate

27.6%

Veteran Disability Rate

Brookings County, South Dakota Veterans by Education

LaborForceParticipation

71.1%

Labor Force Participation

67.9%

Employment Rate

4.1%

Unemployment Rate

Brookings County, South Dakota Employment by Age

LaborForceParticipation

Brookings County, South Dakota Employment by Race

LaborForceParticipation

Brookings County, South Dakota Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

55.99%

Born in Brookings County, South Dakota

93.76%

Native Born

5.37%

Foreign Born

3.82%

Non Citizen

1.54%

Naturalized

Place of Birth

93.76% of Brookings County, South Dakota residents were born in the United States, with 55.99% having been born in South Dakota. 3.82% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Brookings County, South Dakota Place of Birth

Sources