Union County, South Dakota Population 2018

Union County, South Dakota's estimated population is 15,029 with a growth rate of 1.26% in the past year according to the most recent United States census data. Union County, South Dakota is the 13th largest county in South Dakota.

Year Population Growth Growth Rate
201715,0291871.26%
201614,842-150-1.00%
201614,9921200.81%
201514,872-117-0.78%
201414,9892281.54%
201314,761-40-0.27%
201214,8011571.07%
201114,6441511.04%
201014,4934,30442.24%
199010,189-749-6.85%
198010,9381,29513.43%
19709,643-554-5.43%
196010,197-595-5.51%
195010,792-883-7.56%
194011,6751951.70%
193011,4803813.43%
192011,0994233.96%
191010,676-477-4.28%
190011,1532,02322.16%
18909,1302,31734.01%
18806,8133,30694.27%
18703,5070.00%

Union County, South Dakota Population Growth

Population Data via

Population by Race

Race Population
White13,995
Two or More Races339
Asian181
Some Other Race126
American Indian and Alaska Native102
Black or African American99

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

Union County, South Dakota Population Pyramid 2018

0%2%4%6%8% Male Population0%2%4%6%8% Female Population80757065605550454035302520151050

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

Union County, South Dakota Median Age

41.6


Total

40.6


Male

42.7


Female

Union County, South Dakota Adults

There are 11,176 adults, (2,330 of which are seniors) in Union County, South Dakota.

Union County, South Dakota Age Dependency

67.9

Age Dependency Ratio

26.3

Old Age Dependency Ratio

41.5

Child Dependency Ratio

Union County, South Dakota Sex Ratio

Female

7,378

49.71%

Male

7,464

50.29%

Union County, South Dakota Households and Families

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

Union County, South Dakota Household Types

Type Owner Renter
Married86.7%13.3%
Male80.8%19.2%
All74.4%25.6%
Female66.4%33.6%
Non Family56.8%43.2%

74.4%

Rate of Home Ownership

Union County, South Dakota Households by Type

Type Count Average Size Owned
All6,0372.4474.4
Married3,2583.0686.7
Non Family2,1641.1656.8
Female4023.2366.4
Male2134.5480.8

3.09

Average Family Size

2.44

Average Household Size

5.8%

Unmarried (Opposite Sex)

0.3%

Unmarried (Same Sex)

Union County, South Dakota Households

Union County, South Dakota Education

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

Education Attained Count Percentage
Less Than 9th Grade3023.00%
9th to 12th Grade5775.73%
High School Graduate2,95629.34%
Some College2,15021.34%
Associates Degree1,05310.45%
Bachelors Degree1,74017.27%
Graduate Degree1,29612.86%

Union County, South Dakota Educational Attainment by Race

Name Total High School Bachelors
White9,5218,7622,834
Hispanic26416917
Asian143143137
Other Race91173
Multiple Races575725
Native American5025
Black393923

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 95.80%.

Union County, South Dakota Earnings by Educational Attainment

Name Average Male Female
Overall$40,449$50,006$31,586
Less Than High School$27,404$35,234$25,592
High School Grad$30,451$36,644$24,130
Some College$36,570$48,412$30,199
Bachelors Degree$56,055$75,694$42,670
Graduate Degree$67,371$82,176$51,402

$40,449

Average Earnings

$50,006

Average Male

$31,586

Average Female

Union County, South Dakota Language

Union County, South Dakota Language by Age

Union County, South Dakota Language

97.06% of Union County, South Dakota residents speak only English, while 2.94% speak other languages. The largest non-English language is Spanish, which is spoken by 1.64% of the population.

Union County, South Dakota Poverty

Union County, South Dakota Poverty by Race

Name Total In Poverty Poverty Rate
White13,6507665.61%
Hispanic42513331.29%
Other1208369.17%
Multiple339308.85%
Native68811.76%
Asian18163.31%

6.44%

Overall Poverty Rate

4.65%

Male Poverty Rate

8.23%

Female Poverty Rate

Poverty in Union County, South Dakota

The race most likely to be in poverty in Union County, South Dakota is Other, with 69.17% below the poverty level.

The race least likely to be in poverty in Union County, South Dakota is Asian, with 3.31% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.50%. Among those working part-time, it was 7.09%, and for those that did not work, the poverty rate was 15.88%.

Union County, South Dakota Poverty Rate by Education

Name Poverty
Less Than High School19.61%
High School8.61%
Some College4.08%
Bachelors or Greater3.00%

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

Name Poverty
Male Unemployed7.56%
Female Employed3.66%
Male Employed2.40%
Female Unemployed0.00%

Union County, South Dakota Income

Union County, South Dakota Income by Household Type

Name Median Mean
Households$63,890$86,268
Families$82,685$104,277
Married Families$88,694$
Non Families$35,377$52,701

Union County, South Dakota Marital Status

Union County, South Dakota Marital Status

Marriage Rates

57.2%

Overall Marriage Rate

57.6%

Male Marriage Rate

56.8%

Female Marriage Rate

Union County, South Dakota Married by Age and Sex

Union 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 55To64.

Union County, South Dakota Marital Status by Race

Union County, South Dakota Veterans

Union County, South Dakota Veterans by War

960

Number of Veterans

914

Male Veterans

46

Female Veterans

Name Veterans
Vietnam386
First Gulf War181
Korea129
Second Gulf War125
World War II33

Union County, South Dakota Veterans by Age

Name Veterans
65 to 74270
75+228
55 to 64228
35 to 54180
18 to 3454

Union County, South Dakota Veterans by Race

Name Veterans % of Total
White9288.71%
Hispanic186.55%
Asian106.99%
Indian1014.29%
Other66.59%
Black615.38%

Union County, South Dakota Veterans by Education

5.42%

Veteran Poverty Rate

23.96%

Veteran Disability Rate

Union County, South Dakota Employment Status

Union County, South Dakota Employment by Age

68.3%

Labor Force Participation

66.2%

Employment Rate

2.7%

Unemployment Rate

Union County, South Dakota Employment by Race

Union County, South Dakota Employment by Education

Population of Cities in Union County, South Dakota

City 2010 Census 2016 Estimated Growth Growth Rate
North Sioux City253027312017.94%
Beresford 20061969-37-1.84%
Elk Point19691851-118-5.99%
Alcester807748-59-7.31%
Jefferson547507-40-7.31%
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