Buffalo County, South Dakota Population 2018

Buffalo County, South Dakota's estimated population is 1,999 with a growth rate of -2.58% 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
20171,999-53-2.58%
20162,052200.98%
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 Native1,653
White293
Two or More Races62
Native Hawaiian and Other Pacific Islander36
Black or African American8

Race Data via US Census (2016 ACS 5-Year Survey)

Buffalo County, South Dakota Population Pyramid 2018

0%5%10%15% Male Population0%5%10%15% Female Population80757065605550454035302520151050

Data via US Census (2016 ACS 5-Year Survey): Table S0101

Buffalo County, South Dakota Median Age

25.1


Total

24.5


Male

25.7


Female

Buffalo County, South Dakota Adults

There are 1,262 adults, (174 of which are seniors) in Buffalo County, South Dakota.

Buffalo County, South Dakota Age Dependency

88.6

Age Dependency Ratio

16.1

Old Age Dependency Ratio

72.5

Child Dependency Ratio

Buffalo County, South Dakota Sex Ratio

Female

1,066

51.95%

Male

986

48.05%

Buffalo County, South Dakota Households and Families

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

Buffalo County, South Dakota Household Types

Type Owner Renter
Married52%48%
Non Family47.6%52.4%
All43.5%56.5%
Male34%66%
Female33.8%66.2%

43.5%

Rate of Home Ownership

Buffalo County, South Dakota Households by Type

Type Count Average Size Owned
All4964.1343.5
Married2044.3552
Female1574.9433.8
Non Family821.1247.6
Male535.5334

4.49

Average Family Size

4.13

Average Household Size

7.5%

Unmarried (Opposite Sex)

0.4%

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 Grade626.02%
9th to 12th Grade17016.50%
High School Graduate42641.36%
Some College21120.49%
Associates Degree787.57%
Bachelors Degree636.12%
Graduate Degree201.94%

Buffalo County, South Dakota Educational Attainment by Race

Name Total High School Bachelors
Native American80759535
White18116543
Multiple Races2016
Islander1414
Hispanic105
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$21,949$22,740$21,250
Less Than High School$17,778$21,250$15,500
High School Grad$17,778$19,722$16,154
Some College$25,750$27,500$25,750
Bachelors Degree$37,500$41,667$35,833
Graduate Degree$61,250$76,250$

$21,949

Average Earnings

$22,740

Average Male

$21,250

Average Female

Buffalo County, South Dakota Language

Buffalo County, South Dakota Language by Age

Buffalo County, South Dakota Language

90.85% of Buffalo County, South Dakota residents speak only English, while 9.15% speak other languages. The largest non-English language is Other, which is spoken by 7.46% of the population.

Buffalo County, South Dakota Poverty

Buffalo County, South Dakota Poverty by Race

Name Total In Poverty Poverty Rate
Native1,64767641.04%
White2894415.22%
Multiple624470.97%
Islander3636100.00%

39.18%

Overall Poverty Rate

40.10%

Male Poverty Rate

38.32%

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 White, with 15.22% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 7.40%. Among those working part-time, it was 44.54%, and for those that did not work, the poverty rate was 50.81%.

Buffalo County, South Dakota Poverty Rate by Education

Name Poverty
Less Than High School42.67%
High School42.02%
Some College25.95%
Bachelors or Greater15.66%

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

Name Poverty
Female Unemployed51.85%
Male Unemployed42.67%
Female Employed21.45%
Male Employed15.31%

Buffalo County, South Dakota Income

Buffalo County, South Dakota Income by Household Type

Name Median Mean
Households$31,293$41,250
Families$31,375$42,228
Married Families$45,625$
Non Families$15,000$24,612

Buffalo County, South Dakota Marital Status

Buffalo County, South Dakota Marital Status

Marriage Rates

33.5%

Overall Marriage Rate

35.0%

Male Marriage Rate

32.3%

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 Over65, while the female age group most likely to be married is 45To54.

Buffalo County, South Dakota Marital Status by Race

Buffalo County, South Dakota Veterans

Buffalo County, South Dakota Veterans by War

94

Number of Veterans

85

Male Veterans

9

Female Veterans

Name Veterans
Vietnam29
First Gulf War20
Second Gulf War11
World War II4
Korea3

Buffalo County, South Dakota Veterans by Age

Name Veterans
35 to 5435
65 to 7424
55 to 6421
75+10
18 to 344

Buffalo County, South Dakota Veterans by Race

Name Veterans % of Total
Indian636.26%
White3114.42%

Buffalo County, South Dakota Veterans by Education

19.15%

Veteran Poverty Rate

37.23%

Veteran Disability Rate

Buffalo County, South Dakota Employment Status

Buffalo County, South Dakota Employment by Age

53.1%

Labor Force Participation

45.5%

Employment Rate

14.4%

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