Buffalo County, South Dakota Population 2022

Buffalo County, South Dakota's estimated population is 1,767 with a growth rate of -3.55% in the past year according to the most recent United States census data. Buffalo County, South Dakota is the 61st largest county in South Dakota. The 2010 Population was 1,934 and has seen a growth of -8.63% since this time.

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
18702460.00%
188063-183-74.39%
18909939301476.19%
19001,79079780.26%
19101,589-201-11.23%
19201,7151267.93%
19301,93121612.59%
19401,853-78-4.04%
19501,615-238-12.84%
19601,547-68-4.21%
19701,73919212.41%
19801,795563.22%
19901,759-36-2.01%
20101,9341759.95%
20111,978442.28%
20122,016381.92%
20132,02590.45%
20142,086613.01%
20152,098120.58%
20162,030-68-3.24%
20172,013-17-0.84%
20182,027140.70%
20191,962-65-3.21%
20201,897-65-3.31%
20211,832-65-3.43%
20221,767-65-3.55%
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Buffalo County, South Dakota Population Growth

Population by Race

Race Population Percentage
White28013.97%
Black or African American30.15%
American Indian and Alaska Native1,67583.54%
Some Other Race100.50%
Two or More Races371.85%
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Buffalo County, South Dakota Population by Race

Buffalo County, South Dakota Population Pyramid 2022

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Buffalo County, South Dakota Median Age

26.1


Total

24.8


Male

27.2


Female

Buffalo County, South Dakota Adults

There are 1,236 adults, (155 of whom are seniors) in Buffalo County, South Dakota.

Buffalo County, South Dakota Age Dependency

Age Dependency Ratio

14.3

Old Age Dependency Ratio

71.1

Child Dependency Ratio

Buffalo County, South Dakota Sex Ratio

Female

936

46.68%

Male

1,069

53.32%

Buffalo County, South Dakota Population by Age

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

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Buffalo County, South Dakota Household Types

Type Owner Renter
Non Family59.3%40.7%
Male58.3%41.7%
All51.3%48.7%
Married47.5%52.5%
Female41.2%58.8%

51.3%

Rate of Home Ownership

Buffalo County, South Dakota Households and Families

Type Count Average Size Owned
All5403.7151.3
Married1604.9347.5
Male725.1458.3
Female1314.9341.2
Non Family1771.1159.3

4.68

Average Family Size

3.71

Average Household Size

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Buffalo County, South Dakota Households by Type

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Education Attained Count Percentage
Less Than 9th Grade373.60%
9th to 12th Grade19018.48%
High School Graduate38937.84%
Some College23723.05%
Associates Degree928.95%
Bachelors Degree686.61%
Graduate Degree151.46%
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Buffalo County, South Dakota Educational Attainment by Sex (over 25)

Buffalo County, South Dakota Educational Attainment by Race

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Race Total High School Bachelors
Other Race333
White17316840
Native American80959040
Black33
2+ Races2926
Hispanic7460

The highest rate of high school graduation is among black people with a rate of 100.00%.

The highest rate of bachelors degrees is among other race people with a rate of 100.00%.

Buffalo County, South Dakota Educational Attainment by Race

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Name Average Male Female
Overall$22,457$30,577$19,432
Less Than 9th Grade$19,091$30,833$18,438
High School Graduate$17,778$21,250$16,250
Some College$30,500$33,750$24,306
Bachelors Degree$36,563$45,179$35,469
Graduate Degree$81,563$$

$22,457

Average Earnings

$30,577

Average Male

$19,432

Average Female

Buffalo County, South Dakota Earnings by Educational Attainment

Buffalo County, South Dakota Language by Age

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Buffalo County, South Dakota Language

92.93% of Buffalo County, South Dakota residents speak only English, while 7.07% speak other languages. The non-English language spoken by the largest group is Other languages, which is spoken by 7.07% of the population.

Buffalo County, South Dakota Language

Buffalo County, South Dakota Poverty by Race

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Name Total In Poverty Poverty Rate
Native1,66469141.53%
Multiple37924.32%
White2654316.23%
OtherNaN%
Hispanic1491711.41%

37.34%

Overall Poverty Rate

34.12%

Male Poverty Rate

40.99%

Female Poverty Rate

Poverty in Buffalo County, South Dakota

The race most likely to be in poverty in Buffalo County, South Dakota is Native, with 41.53% below the poverty level.

The race least likely to be in poverty in Buffalo County, South Dakota is Hispanic, with 11.41% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 10.67%. Among those working part-time, it was 36.13%, and for those that did not work, the poverty rate was 49.01%.

Buffalo County, South Dakota Poverty

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Name Poverty
Less Than 9th Grade49.78%
High School40.62%
Some College24.01%
Bachelors or Greater19.28%

Buffalo County, South Dakota Poverty Rate by Education

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Rate Poverty
Male Employed13.06%
Male Unemployed52.53%
Female Employed20.85%
Female Unemployed65.22%

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

Buffalo County, South Dakota Income by Household Type

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Name Median Mean
Households$35,000$39,622
Families$37,014$42,515
Married Families$47,708-
Non Families-$28,760
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Income by Household Type

Buffalo County, South Dakota Marital Status

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Marriage Rates

32.2%

Overall Marriage Rate

34.7%

Male Marriage Rate

29.6%

Female Marriage Rate

Buffalo County, South Dakota Married by Age and Sex

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Buffalo County, South Dakota Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is Over 65.

Buffalo County, South Dakota Marital Status by Race

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Buffalo County, South Dakota Marital Status

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123

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Second Gulf War39
First Gulf War4
Vietnam35
Korea8
World War II

Buffalo County, South Dakota Veterans by War

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Age Group Veterans
18 to 3412
35 to 5440
55 to 6430
65 to 7433
75+8

Buffalo County, South Dakota Veterans by Age

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Name Veterans % of Total
White168.47%
Native American848.30%
2+ Races2379.31%
Hispanic2323.71%

Buffalo County, South Dakota Veterans by Race

Buffalo County, South Dakota Veterans by Education

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13.82%

Veteran Poverty Rate

43.09%

Veteran Disability Rate

Buffalo County, South Dakota Veterans by Education

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57.4%

Labor Force Participation

44.8%

Employment Rate

22%

Unemployment Rate

Buffalo County, South Dakota Employment by Age

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Buffalo County, South Dakota Employment by Race

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Buffalo County, South Dakota Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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92.42%

Born in Buffalo County, South Dakota

100.00%

Native Born

0.00%

Foreign Born

0.00%

Non Citizen

0.00%

Naturalized

Place of Birth

100.00% of Buffalo County, South Dakota residents were born in the United States, with 92.42% having been born in South Dakota. 0.00% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Buffalo County, South Dakota Place of Birth

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources