Union County, South Dakota's estimated 2024 population is 17,303 with a growth rate of 0.7% 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. The 2010 population was 14,488 and has seen a growth of 19.43% since that time.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 17,903 | 120 | 0.67% |
| 2028 | 17,783 | 120 | 0.68% |
| 2027 | 17,663 | 120 | 0.68% |
| 2026 | 17,543 | 120 | 0.69% |
| 2025 | 17,423 | 120 | 0.69% |
| 2024 | 17,303 | 120 | 0.7% |
| 2023 | 17,183 | 120 | 0.7% |
| 2022 | 17,063 | 187 | 1.11% |
| 2021 | 16,876 | 16 | 0.09% |
| 2020 | 16,860 | 857 | 5.36% |
| 2019 | 16,003 | 387 | 2.48% |
| 2018 | 15,616 | 305 | 1.99% |
| 2017 | 15,311 | 137 | 0.9% |
| 2016 | 15,174 | 240 | 1.61% |
| 2015 | 14,934 | -62 | -0.41% |
| 2014 | 14,996 | 235 | 1.59% |
| 2013 | 14,761 | -40 | -0.27% |
| 2012 | 14,801 | 160 | 1.09% |
| 2011 | 14,641 | 153 | 1.06% |
| 2010 | 14,488 | 0 | 0% |
| 1990 | 10,189 | -749 | -6.85% |
| 1980 | 10,938 | 1,295 | 13.43% |
| 1970 | 9,643 | -554 | -5.43% |
| 1960 | 10,197 | -595 | -5.51% |
| 1950 | 10,792 | -883 | -7.56% |
| 1940 | 11,675 | 195 | 1.7% |
| 1930 | 11,480 | 381 | 3.43% |
| 1920 | 11,099 | 423 | 3.96% |
| 1910 | 10,676 | -477 | -4.28% |
| 1900 | 11,153 | 2,023 | 22.16% |
| 1890 | 9,130 | 2,317 | 34.01% |
| 1880 | 6,813 | 3,306 | 94.27% |
| 1870 | 3,507 | -14,396 | -80.41% |
White
Two or more races
Asian
Native American
Other race
Black or African American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 6,967 | 2.38 | 70 | 30 |
| Married | 3,876 | 2.87 | 88.3 | 11.7 |
| Non Family | 2,286 | 1.26 | 43 | 57 |
| Female | 464 | 3.24 | 52.8 | 47.2 |
| Male | 341 | 3.1 | 67.4 | 32.6 |
2.85
Average Family Size
2.38
Average Household Size
70.0%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among 2+ races people with a rate of 100%.
The highest rate of bachelors degrees is among asian people with a rate of 88.11%.
All
Male
Female
$50,966
Average Earnings
$61,526
Average Male
$40,836
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
95.95% of Union County, South Dakota residents speak only English, while 4.05% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.9% of the population.
rate
8.25%
Overall Poverty Rate
5.29%
Male Poverty Rate
11.36%
Female Poverty Rate
The race most likely to be in poverty in Union County, South Dakota is Other, with 32.52% below the poverty level.
The race least likely to be in poverty in Union County, South Dakota is Multiple, with 0.39% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.3%. Among those working part-time, it was 14.15%, and for those that did not work, the poverty rate was 14.89%.
Married
Widowed
Divorced
Separated
NeverMarried
59.3%
Overall Marriage Rate
57.3%
Male Marriage Rate
61.4%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
10.8%
Veteran Poverty Rate
34.31%
Veteran Disability Rate
LaborForceParticipation
67.3%
Labor Force Participation
65%
Employment Rate
3%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
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.
Europe
Asia
Africa
Oceania
Latin America
North America
29.14%
Born in Union County, South Dakota
97.5%
Native Born
2.5%
Foreign Born
1.41%
Non Citizen
1.09%
Naturalized
97.5% of Union County, South Dakota residents were born in the United States, with 29.14% having been born in South Dakota. 1.41% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.