Jefferson township is located in Union County South Dakota. Jefferson township has a 2024 population of 1,203. Jefferson township is currently growing at a rate of 2.04% annually and its population has increased by 8.38% since the most recent census, which recorded a population of 1,110 in 2020.
The average household income in Jefferson township is $162,822 with a poverty rate of 0%. The median age in Jefferson township is 44.8 years: 51 years for males, and 43.2 years for females.
According to the most recent ACS, the racial composition of Jefferson township was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 900 | 99.23% |
| Other race | 7 | 0.77% |
| Black or African American | 0 | 0% |
| Native American | 0 | 0% |
| Asian | 0 | 0% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
| Two or more races | 0 | 0% |
White
Other race
Black or African American
Native American
Asian
Native Hawaiian or Pacific Islander
Two or more races
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 389 | 2.33 | 94.1 | 5.9 |
| Married | 261 | 2.41 | 91.2 | 8.8 |
| Non Family | 100 | 1.17 | 100 | 0 |
| Male | 28 | 5.75 | 100 | 0 |
| Female | 0 | 0 | 0 | 0 |
2.43
Average Family Size
2.33
Average Household Size
94.1%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 0 | 0% |
| Associates Degree | 105 | 16.01% |
| Bachelors Degree | 106 | 16.16% |
| Graduate Degree | 151 | 23.02% |
| High School Graduate | 195 | 29.73% |
| Less Than 9th Grade | 63 | 9.6% |
| Some College | 36 | 5.49% |
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 | 649 | 586 | 257 |
| Other Race | 7 | 7 | 0 |
| Hispanic | 7 | 7 | 0 |
The highest rate of high school graduation is among other race people with a rate of 100%.
The highest rate of bachelors degrees is among white people with a rate of 39.6%.
All
Male
Female
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $135,982 | $135,982 | $0 |
| Graduate Degree | $0 | $0 | $0 |
| High School Graduate | $0 | $95,685 | $0 |
| Less Than 9th Grade | $0 | $0 | $0 |
| Overall | $96,027 | $95,531 | $110,315 |
| Some College | $62,727 | $125,625 | $0 |
$96,027
Average Earnings
$95,531
Average Male
$110,315
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
98.57% of Jefferson township residents speak only English, while 1.43% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.43% of the population.
rate
Rate | Poverty |
|---|---|
| Less Than 9th Grade | 0% |
| High School | 0% |
| Some College | 0% |
| Bachelors or Greater | 0% |
rate
Rate | Poverty |
|---|---|
| Male Employed | 0% |
| Male Unemployed | 0% |
| Female Employed | 0% |
| Female Unemployed | 0% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $205,185 | $187,130 |
| Households | $170,250 | $162,822 |
| Married Families | $205,489 | $-999,999,999 |
| Non Families | $61,151 | $84,633 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
70.9%
Overall Marriage Rate
58.0%
Male Marriage Rate
86.2%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 45-54.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
16
Number of Veterans
16
Male Veterans
0
Female Veterans
War | Veterans |
|---|---|
| Second Gulf War | 16 |
| First Gulf War | 8 |
| Vietnam | 0 |
| Korea | 0 |
| World War II | 0 |
count
Age Group | Veterans |
|---|---|
| 35 to 54 | 8 |
| 55 to 64 | 8 |
| 18 to 34 | 0 |
| 65 to 74 | 0 |
| 75+ | 0 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 16 | 2.38% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0%
Veteran Poverty Rate
0%
Veteran Disability Rate
LaborForceParticipation
71.2%
Labor Force Participation
68.7%
Employment Rate
3.5%
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
6.28%
Born in Jefferson township
100%
Native Born
0%
Foreign Born
0%
Non Citizen
0%
Naturalized
100% of Jefferson township residents were born in the United States, with 6.28% having been born in South Dakota. 0% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.
Year | Population | Growth | Change |
|---|---|---|---|
| 2029 | 1,323 | 24 | 1.85% |
| 2028 | 1,299 | 24 | 1.88% |
| 2027 | 1,275 | 24 | 1.92% |
| 2026 | 1,251 | 24 | 1.96% |
| 2025 | 1,227 | 24 | 2% |
| 2024 | 1,203 | 24 | 2.04% |
| 2023 | 1,179 | 24 | 2.08% |
| 2022 | 1,155 | 29 | 2.58% |
| 2021 | 1,126 | 16 | 1.44% |
| 2020 | 1,110 | -24 | -2.12% |
| 2019 | 1,134 | 41 | 3.75% |
| 2018 | 1,093 | 33 | 3.11% |
| 2017 | 1,060 | 21 | 2.02% |
| 2016 | 1,039 | 26 | 2.57% |
| 2015 | 1,013 | -4 | -0.39% |
| 2014 | 1,017 | 20 | 2.01% |
| 2013 | 997 | 8 | 0.81% |
| 2012 | 989 | 20 | 2.06% |
| 2011 | 969 | 19 | 2% |
| 2010 | 950 | 0 | 0% |