Brown County, South Dakota Population 2024

37,565

Brown County, South Dakota's estimated 2024 population is 37,565 with a growth rate of -0.45% in the past year according to the most recent United States census data. Brown County, South Dakota is the 4th largest county in South Dakota. The 2010 population was 36,655 and has seen a growth of 2.48% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202936,725-168-0.46%
202836,893-168-0.45%
202737,061-168-0.45%
202637,229-168-0.45%
202537,397-168-0.45%
202437,565-168-0.45%
202337,733-168-0.44%
202237,901-216-0.57%
202138,117-108-0.28%
202038,225-658-1.69%
201938,883-220-0.56%
201839,103-229-0.58%
201739,3324481.15%
201638,8844501.17%
201538,4341560.41%
201438,2781290.34%
201338,1495711.52%
201237,5786461.75%
201136,9322770.76%
201036,65500%
199035,580-1,382-3.74%
198036,962420.11%
197036,9202,8148.25%
196034,1061,4894.57%
195032,6172,9419.91%
194029,676-1,782-5.66%
193031,4581,9496.6%
192029,5093,64214.08%
191025,86710,58169.22%
190015,286-1,569-9.31%
189016,85516,5024674.79%
1880353-36,372-99.04%
2024 Growth Rate
-0.45% (-168)
County Website
Brown County
2020 Population
38,225
Area
1713 mi²
Density
22 people/mi²
Growth Since 2020
-1.73% (-660)
Founded
July 6, 1881

Population by Race

Race
Population
Percentage (of total)
White32,61585.65%
Two or more races1,9185.04%
Native American1,7434.58%
Asian1,1583.04%
Other race4451.17%
Black or African American1710.45%
Native Hawaiian or Pacific Islander290.08%

White

Two or more races

Native American

Asian

Other race

Black or African American

Native Hawaiian or Pacific Islander

Brown County, South Dakota Population by Race

Brown County, South Dakota Population Pyramid 2024

Brown County, South Dakota Median Age

37.8

Total

36.6

Male

38.7

Female

Brown County, South Dakota Adults

There are 28,990 adults, (6,708 of whom are seniors) in Brown County, South Dakota.

Brown County, South Dakota Age Dependency

70.9

Age Dependency Ratio

30.1

Old Age Dependency Ratio

40.8

Child Dependency Ratio

Brown County, South Dakota Sex Ratio

Female19,35250.82%
Male18,72749.18%

Brown County, South Dakota Population by Age

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

Household Type
Count
Average Size
Owner
Renter
All16,3642.2665.734.3
Married7,3463.0590.69.4
Non Family7,1671.242.657.4
Female1,0973.3150.949.1
Male7543.0464.335.7

3.01

Average Family Size

2.26

Average Household Size

65.7%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Brown County, South Dakota Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade8993.56%
Associates Degree2,91311.54%
Bachelors Degree6,16024.4%
Graduate Degree2,2158.77%
High School Graduate7,67330.39%
Less Than 9th Grade7012.78%
Some College4,68918.57%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Brown County, South Dakota Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White22,53021,3707,496
Native American892797122
Hispanic810658166
2+ Races738652303
Asian600424313
Other Race282243130
Black54430

The highest rate of high school graduation is among white people with a rate of 94.85%.

The highest rate of bachelors degrees is among asian people with a rate of 52.17%.

Brown County, South Dakota Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$56,968$71,013$48,894
Graduate Degree$68,995$77,625$65,405
High School Graduate$42,212$46,722$32,998
Less Than 9th Grade$27,417$33,452$24,453
Overall$47,418$57,681$40,798
Some College$42,115$53,338$35,604

$47,418

Average Earnings

$57,681

Average Male

$40,798

Average Female

Brown County, South Dakota Earnings by Educational Attainment

Brown County, South Dakota Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Brown County, South Dakota Language

93.75% of Brown County, South Dakota residents speak only English, while 6.25% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.72% of the population.

Brown County, South Dakota Language

Brown County, South Dakota Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White31,4202,4657.85%
Multiple1,91174138.78%
Hispanic1,58957236%
Asian1,13928725.2%
Native1,69524014.16%
Other4158019.28%
Islander2929100%
Black1431510.49%

10.58%

Overall Poverty Rate

8.81%

Male Poverty Rate

12.32%

Female Poverty Rate

Poverty in Brown County, South Dakota

The race most likely to be in poverty in Brown County, South Dakota is Islander, with 100% below the poverty level.

The race least likely to be in poverty in Brown County, South Dakota is White, with 7.85% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.87%. Among those working part-time, it was 17.27%, and for those that did not work, the poverty rate was 20.57%.

Brown County, South Dakota Poverty

rate

Rate
Poverty
Less Than 9th Grade25.02%
High School11.05%
Some College8.4%
Bachelors or Greater3.28%

Brown County, South Dakota Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed43.77%
Male Unemployed37.28%
Female Employed7.35%
Male Employed4.29%

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

Brown County, South Dakota Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$97,594$117,695
Households$70,239$90,537
Married Families$111,228$-999,999,999
Non Families$42,380$53,533

mean

median

Income by Household Type

Brown County, South Dakota Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

50.1%

Overall Marriage Rate

50.8%

Male Marriage Rate

49.4%

Female Marriage Rate

Brown County, South Dakota Married by Age and Sex

male

female

Brown County, South Dakota Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 55-64.

Brown County, South Dakota Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Brown County, South Dakota Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,774

Number of Veterans

1,621

Male Veterans

153

Female Veterans

War
Veterans
Vietnam628
First Gulf War403
Second Gulf War333
Korea95
World War II15

Brown County, South Dakota Veterans by War

count

Age Group
Veterans
35 to 54468
75+445
65 to 74439
55 to 64312
18 to 34110

Brown County, South Dakota Veterans by Age

count

Name
Veterans
% of Total
White1,7466.87%
Hispanic141.4%
Native American120.97%
2+ Races111.18%
Black31.83%
Other Race20.64%

Brown County, South Dakota Veterans by Race

Brown County, South Dakota Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

12.5%

Veteran Poverty Rate

30.65%

Veteran Disability Rate

Brown County, South Dakota Veterans by Education

LaborForceParticipation

70.1%

Labor Force Participation

67.6%

Employment Rate

3.5%

Unemployment Rate

Brown County, South Dakota Employment by Age

LaborForceParticipation

Brown County, South Dakota Employment by Race

LaborForceParticipation

Brown 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

71.03%

Born in Brown County, South Dakota

96.43%

Native Born

3.57%

Foreign Born

2.13%

Non Citizen

1.44%

Naturalized

Place of Birth

96.43% of Brown County, South Dakota residents were born in the United States, with 71.03% having been born in South Dakota. 2.13% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Brown County, South Dakota Place of Birth

Sources