Buffalo County, South Dakota Population 2018

Buffalo County, South Dakota's estimated population is 1,999 with a growth rate of -1.62% in the past year according to the most recent United States census data. Buffalo County, South Dakota is the 60th largest county in South Dakota.

Year Population Growth Growth Rate
20172,048492.45%
20171,999-33-1.62%
20162,032-65-3.10%
20152,097110.53%
20142,086613.01%
20132,02590.45%
20122,016391.97%
20111,977432.22%
20101,9341759.95%
19901,759-36-2.01%
19801,795563.22%
19701,73919212.41%
19601,547-68-4.21%
19501,615-238-12.84%
19401,853-78-4.04%
19301,93121612.59%
19201,7151267.93%
19101,589-201-11.23%
19001,79079780.26%
18909939301476.19%
188063-183-74.39%
18702460.00%

Buffalo County, South Dakota Population Growth

Population Data via

Population by Race

Race Population
American Indian and Alaska Native1,713
White242
Two or More Races45
Native Hawaiian and Other Pacific Islander40
Black or African American8

Data via US Census (2017 ACS 5-Year Survey): Table B03002

Buffalo County, South Dakota Population Pyramid 2018

20406080100120140 Male Population20406080100120140 Female Population80757065605550454035302520151050

Data via US Census (2017 ACS 5-Year Survey): Table S0101

Buffalo County, South Dakota Median Age

25.3


Total

25.8


Male

25


Female

Buffalo County, South Dakota Adults

There are 1,259 adults, (160 of whom are seniors) in Buffalo County, South Dakota.

Buffalo County, South Dakota Age Dependency

86.4

Age Dependency Ratio

14.6

Old Age Dependency Ratio

71.8

Child Dependency Ratio

Buffalo County, South Dakota Sex Ratio

Female

1,064

51.95%

Male

984

48.05%

Buffalo County, South Dakota Households and Families

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

Data via US Census (2017 ACS 5-Year Survey): Table S1101

Buffalo County, South Dakota Household Types

Type Owner Renter
Non Family62.3%37.7%
Married43.8%56.3%
All41.9%58.1%
Male33.8%66.2%
Female28.1%71.9%

41.9%

Rate of Home Ownership

Buffalo County, South Dakota Households by Type

Type Count Average Size Owned
All5303.8641.9
Married1924.3643.8
Female1534.9628.1
Non Family1141.0962.3
Male714.5633.8

4.36

Average Family Size

3.86

Average Household Size

8.1%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

Buffalo County, South Dakota Households

Buffalo County, South Dakota Education

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

Education Attained Count Percentage
Less Than 9th Grade605.83%
9th to 12th Grade16215.73%
High School Graduate41139.90%
Some College23022.33%
Associates Degree757.28%
Bachelors Degree757.28%
Graduate Degree171.65%

Buffalo County, South Dakota Educational Attainment by Race

Name Total High School Bachelors
Native American82461742
White17015745
Hispanic1711
Islander1515
Multiple Races1311
Black885

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 black people with a rate of 62.50%.

Buffalo County, South Dakota Earnings by Educational Attainment

Name Average Male Female
Overall$21,090$20,865$21,202
Less Than High School$18,542$22,500$18,056
High School Grad$18,523$18,393$18,750
Some College$25,547$21,250$26,442
Bachelors Degree$$40,714$14,167
Graduate Degree$63,000$$

$21,090

Average Earnings

$20,865

Average Male

$21,202

Average Female

Buffalo County, South Dakota Language

Buffalo County, South Dakota Language by Age

Buffalo County, South Dakota Language

89.19% of Buffalo County, South Dakota residents speak only English, while 10.81% speak other languages. The largest non-English language is Other, which is spoken by 9.07% of the population.

Buffalo County, South Dakota Poverty

Buffalo County, South Dakota Poverty by Race

Name Total In Poverty Poverty Rate
Native1,70772142.24%
Islander4040100.00%
White2383414.29%
Multiple453066.67%
Hispanic49510.20%

40.48%

Overall Poverty Rate

40.18%

Male Poverty Rate

40.76%

Female Poverty Rate

Poverty in Buffalo County, South Dakota

The race most likely to be in poverty in Buffalo County, South Dakota is Islander, with 100.00% below the poverty level.

The race least likely to be in poverty in Buffalo County, South Dakota is Hispanic, with 10.20% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 8.95%. Among those working part-time, it was 41.35%, and for those that did not work, the poverty rate was 56.94%.

Buffalo County, South Dakota Poverty Rate by Education

Name Poverty
Less Than High School47.30%
High School38.93%
Some College28.52%
Bachelors or Greater26.09%

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

Name Poverty
Female Unemployed55.56%
Male Unemployed37.65%
Female Employed18.39%
Male Employed13.03%

Buffalo County, South Dakota Income

Buffalo County, South Dakota Income by Household Type

Name Median Mean
Households$30,500$40,402
Families$34,063$42,315
Married Families$46,818$
Non Families$16,563$23,532

Buffalo County, South Dakota Marital Status

Buffalo County, South Dakota Marital Status

Marriage Rates

29.0%

Overall Marriage Rate

30.2%

Male Marriage Rate

28.0%

Female Marriage Rate

Buffalo County, South Dakota Married by Age and Sex

Buffalo County, South Dakota Marriage

The age group where males are most likely to be married is 45To54, while the female age group most likely to be married is 45To54.

Buffalo County, South Dakota Marital Status by Race


Data via US Census (2017 ACS 5-Year Survey): Table S1201

Buffalo County, South Dakota Veterans

Buffalo County, South Dakota Veterans by War

105

Number of Veterans

97

Male Veterans

8

Female Veterans

Name Veterans
Vietnam25
First Gulf War19
Second Gulf War12
Korea7
World War II6

Buffalo County, South Dakota Veterans by Age

Name Veterans
35 to 5436
55 to 6431
75+20
65 to 7418
18 to 34

Buffalo County, South Dakota Veterans by Race

Name Veterans % of Total
Indian807.68%
White2513.81%

Buffalo County, South Dakota Veterans by Education

19.05%

Veteran Poverty Rate

42.86%

Veteran Disability Rate

Buffalo County, South Dakota Employment Status

Buffalo County, South Dakota Employment by Age

53.3%

Labor Force Participation

44.2%

Employment Rate

17%

Unemployment Rate

Buffalo County, South Dakota Employment by Race

Buffalo County, South Dakota Employment by Education

Data Sources
  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