Brown County, South Dakota Population 2024

37,736

Brown County, South Dakota's estimated 2024 population is 37,736 with a growth rate of -0.31% 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 2.95% since that time.

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202937,146-118-0.32%
202837,264-118-0.32%
202737,382-118-0.31%
202637,500-118-0.31%
202537,618-118-0.31%
202437,736-118-0.31%
202337,854-118-0.31%
202237,972-118-0.31%
202138,090-132-0.35%
202038,222-661-1.7%
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%
201036,655
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%
1880353-36,793-99.05%
showing: 32 rows
2024 Growth Rate
-0.31% (-118)
County Website
Brown County
County Seat
2010 Population
36,655
Area
1713 mi²
Density
22 people/mi²
Growth Since 2010
2.95% (1,081)
Founded
July 6, 1881

Brown County, South Dakota Population 2024

Population by Race

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Race
Population
Percentage (of total)
White33,05586.36%
Asian1,3443.51%
Two or more races1,3143.43%
Native American1,2373.23%
Black or African American9372.45%
Other race3780.99%
Native Hawaiian or Pacific Islander130.03%
showing: 7 rows

White

Asian

Two or more races

Native American

Black or African American

Other race

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

37.3

Total

36

Male

38.6

Female

Brown County, South Dakota Adults

There are 29,384 adults, (6,759 of whom are seniors) in Brown County, South Dakota.

Brown County, South Dakota Age Dependency

69.2

Age Dependency Ratio

29.9

Old Age Dependency Ratio

39.3

Child Dependency Ratio

Brown County, South Dakota Sex Ratio

Female19,30450.43%
Male18,97449.57%

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
All16,0352.3265.934.1
Married7,2563.1290.49.6
Non Family7,0951.2443.256.8
Female1,0013.3548.851.2
Male6833.4365.934.1
showing: 5 rows

3.09

Average Family Size

2.32

Average Household Size

65.9%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Brown 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

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

Brown 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 native american people with a rate of 95.35%.

The highest rate of bachelors degrees is among 2+ races people with a rate of 38.86%.

Brown County, South Dakota Educational Attainment by Race

All

Male

Female

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$46,140

Average Earnings

$54,808

Average Male

$39,858

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

92.21% of Brown County, South Dakota residents speak only English, while 7.79% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.46% of the population.

Brown County, South Dakota Language

Brown County, South Dakota Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White31,7862,5387.98%
Hispanic1,39964746.25%
Multiple1,30653540.96%
Asian1,32233024.96%
Other36718049.05%
Native1,18512610.63%
Black917535.78%
Islander1313100%
showing: 8 rows

10.55%

Overall Poverty Rate

8.19%

Male Poverty Rate

12.88%

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 Black, with 5.78% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.19%. Among those working part-time, it was 16.57%, and for those that did not work, the poverty rate was 19.72%.

Brown County, South Dakota Poverty

rate

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Rate
Poverty
Less Than 9th Grade17.84%
High School10.11%
Some College9.48%
Bachelors or Greater2.63%
showing: 4 rows

Brown County, South Dakota Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed45.89%
Male Unemployed29.12%
Female Employed8.2%
Male Employed4.09%
showing: 4 rows

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

Brown County, South Dakota Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Brown County, South Dakota Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

49.4%

Overall Marriage Rate

49.1%

Male Marriage Rate

49.8%

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

1,663

Number of Veterans

1,501

Male Veterans

162

Female Veterans

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Brown County, South Dakota Veterans by War

count

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Brown County, South Dakota Veterans by Age

count

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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

10.4%

Veteran Poverty Rate

31.88%

Veteran Disability Rate

Brown County, South Dakota Veterans by Education

LaborForceParticipation

70.8%

Labor Force Participation

68.1%

Employment Rate

3.6%

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

70.29%

Born in Brown County, South Dakota

94.64%

Native Born

5.36%

Foreign Born

3.85%

Non Citizen

1.51%

Naturalized

Place of Birth

94.64% of Brown County, South Dakota residents were born in the United States, with 70.29% having been born in South Dakota. 3.85% 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