Big Sioux township is located in Union County South Dakota. Big Sioux township has a 2024 population of 5,110. Big Sioux township is currently growing at a rate of 1.85% annually and its population has increased by 8.24% since the most recent census, which recorded a population of 4,721 in 2020.
The average household income in Big Sioux township is $171,951 with a poverty rate of 5.36%. The median age in Big Sioux township is 42.5 years: 37.2 years for males, and 49.2 years for females.
According to the most recent ACS, the racial composition of Big Sioux township was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 4,219 | 87.97% |
| Two or more races | 323 | 6.73% |
| Asian | 163 | 3.4% |
| Other race | 52 | 1.08% |
| Native American | 39 | 0.81% |
| Black or African American | 0 | 0% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
White
Two or more races
Asian
Other race
Native American
Black or African American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 1,835 | 2.61 | 70 | 30 |
| Married | 1,322 | 3.05 | 81.4 | 18.6 |
| Non Family | 428 | 1.35 | 33.9 | 66.1 |
| Male | 58 | 2.28 | 62.1 | 37.9 |
| Female | 27 | 1.81 | 100 | 0 |
2.98
Average Family Size
2.61
Average Household Size
70.0%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 33 | 1.03% |
| Associates Degree | 174 | 5.42% |
| Bachelors Degree | 1,132 | 35.28% |
| Graduate Degree | 687 | 21.41% |
| High School Graduate | 661 | 20.6% |
| Less Than 9th Grade | 15 | 0.47% |
| Some College | 507 | 15.8% |
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
Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 2,852 | 2,841 | 1,569 |
| Hispanic | 138 | 138 | 93 |
| 2+ Races | 134 | 112 | 112 |
| Asian | 117 | 117 | 117 |
| Other Race | 52 | 37 | 0 |
| Native American | 9 | 9 | 0 |
The highest rate of high school graduation is among native american people with a rate of 100%.
The highest rate of bachelors degrees is among asian people with a rate of 100%.
All
Male
Female
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $101,050 | $104,194 | $65,417 |
| Graduate Degree | $0 | $234,821 | $0 |
| High School Graduate | $32,383 | $43,100 | $0 |
| Less Than 9th Grade | $0 | $0 | $0 |
| Overall | $83,333 | $103,833 | $57,344 |
| Some College | $53,403 | $51,765 | $88,958 |
$83,333
Average Earnings
$103,833
Average Male
$57,344
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
96.13% of Big Sioux township residents speak only English, while 3.87% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 2.22% of the population.
rate
Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 4,138 | 257 | 6.21% |
5.36%
Overall Poverty Rate
3.97%
Male Poverty Rate
6.89%
Female Poverty Rate
The race most likely to be in poverty in Big Sioux township is White, with 6.21% below the poverty level.
The race least likely to be in poverty in Big Sioux township is White, with 6.21% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0%. Among those working part-time, it was 5.05%, and for those that did not work, the poverty rate was 14.29%.
rate
Rate | Poverty |
|---|---|
| Some College | 10.28% |
| Bachelors or Greater | 6.87% |
| High School | 5.75% |
| Less Than 9th Grade | 0% |
rate
Rate | Poverty |
|---|---|
| Male Employed | 0% |
| Male Unemployed | 0% |
| Female Employed | 0% |
| Female Unemployed | 0% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $142,422 | $197,193 |
| Households | $118,410 | $171,951 |
| Married Families | $149,250 | $-999,999,999 |
| Non Families | $63,452 | $78,878 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
72.6%
Overall Marriage Rate
68.4%
Male Marriage Rate
77.1%
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
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
279
Number of Veterans
279
Male Veterans
0
Female Veterans
War | Veterans |
|---|---|
| Vietnam | 188 |
| Second Gulf War | 55 |
| First Gulf War | 33 |
| Korea | 0 |
| World War II | 0 |
count
Age Group | Veterans |
|---|---|
| 65 to 74 | 118 |
| 75+ | 92 |
| 18 to 34 | 36 |
| 55 to 64 | 33 |
| 35 to 54 | 0 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 279 | 8.48% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
19.71%
Veteran Poverty Rate
55.91%
Veteran Disability Rate
LaborForceParticipation
60.6%
Labor Force Participation
58.6%
Employment Rate
3.3%
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
12.93%
Born in Big Sioux township
96.79%
Native Born
3.21%
Foreign Born
1.42%
Non Citizen
1.79%
Naturalized
96.79% of Big Sioux township residents were born in the United States, with 12.93% having been born in South Dakota. 1.42% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
Year | Population | Growth | Change |
|---|---|---|---|
| 2029 | 5,575 | 93 | 1.7% |
| 2028 | 5,482 | 93 | 1.73% |
| 2027 | 5,389 | 93 | 1.76% |
| 2026 | 5,296 | 93 | 1.79% |
| 2025 | 5,203 | 93 | 1.82% |
| 2024 | 5,110 | 93 | 1.85% |
| 2023 | 5,017 | 93 | 1.89% |
| 2022 | 4,924 | 131 | 2.73% |
| 2021 | 4,793 | 72 | 1.53% |
| 2020 | 4,721 | 784 | 19.91% |
| 2019 | 3,937 | 140 | 3.69% |
| 2018 | 3,797 | 118 | 3.21% |
| 2017 | 3,679 | 69 | 1.91% |
| 2016 | 3,610 | 94 | 2.67% |
| 2015 | 3,516 | -12 | -0.34% |
| 2014 | 3,528 | 71 | 2.05% |
| 2013 | 3,457 | 27 | 0.79% |
| 2012 | 3,430 | 71 | 2.11% |
| 2011 | 3,359 | 72 | 2.19% |
| 2010 | 3,287 | 0 | 0% |