Jefferson, South Dakota Population 2024

443

Jefferson is a city located in Union County South Dakota. Jefferson has a 2024 population of 443. Jefferson is currently declining at a rate of -1.56% annually and its population has decreased by -6.34% since the most recent census, which recorded a population of 473 in 2020.

The average household income in Jefferson is $75,114 with a poverty rate of 7.61%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Jefferson is 37.1 years, 34.4 years for males, and 40 years for females.

Jefferson Demographics

According to the most recent ACS, the racial composition of Jefferson was:

  • White: 91.92%
  • Native American: 3.65%
  • Two or more races: 3.17%
  • Other race: 1.27%
  • Black or African American:
  • Asian:
  • Native Hawaiian or Pacific Islander:
Land Area (mi²)
0.5 sq mi
Density (mi²)
867.80/sq mi
Growth Since 2020
-6.34% (-30)
The current population of Jefferson, South Dakota is 443 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 473.

Jefferson, South Dakota Population 2024

Population by Race

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Race
Population
Percentage (of total)
White58091.92%
Native American233.65%
Two or more races203.17%
Other race81.27%
Black or African American
Asian
Native Hawaiian or Pacific Islander
showing: 7 rows

White

Native American

Two or more races

Other race

Black or African American

Asian

Native Hawaiian or Pacific Islander

Jefferson Population by Race

Jefferson Population Pyramid 2024

Jefferson Median Age

37.1

Total

34.4

Male

40

Female

Jefferson Adults

There are 472 adults, (107 of whom are seniors) in Jefferson.

Jefferson Age Dependency

72.9

Age Dependency Ratio

29.3

Old Age Dependency Ratio

43.6

Child Dependency Ratio

Jefferson Sex Ratio

Female32651.66%
Male30548.34%

Jefferson Population by Age

Jefferson Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All2812.2587.212.8
Married1362.5896.33.7
Non Family971.2872.227.8
Female322.8887.512.5
Male1641000
showing: 5 rows

2.72

Average Family Size

2.25

Average Household Size

87.2%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Jefferson Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Jefferson Educational Attainment by Sex (over 25)

Jefferson Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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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 2+ races people with a rate of 95%.

Jefferson Educational Attainment by Race

All

Male

Female

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$37,750

Average Earnings

$50,739

Average Male

$34,565

Average Female

Jefferson Earnings by Educational Attainment

Jefferson Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Jefferson Language

95.78% of Jefferson residents speak only English, while 4.22% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.9% of the population.

Jefferson Language

Jefferson Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White580478.1%
Other8112.5%
Hispanic2613.85%
showing: 3 rows

7.61%

Overall Poverty Rate

3.28%

Male Poverty Rate

11.66%

Female Poverty Rate

Poverty in Jefferson

The race most likely to be in poverty in Jefferson is Other, with 12.5% below the poverty level.

The race least likely to be in poverty in Jefferson is Hispanic, with 3.85% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.26%. Among those working part-time, it was 6.25%, and for those that did not work, the poverty rate was 14.96%.

Jefferson Poverty

rate

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Rate
Poverty
High School11.85%
Less Than 9th Grade5.56%
Bachelors or Greater3.81%
Some College2.54%
showing: 4 rows

Jefferson Poverty Rate by Education

rate

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Rate
Poverty
Female Employed8.51%
Male Employed2.42%
Male Unemployed
Female Unemployed
showing: 4 rows

Jefferson Poverty Rate by Employment Status and Sex

Jefferson Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Jefferson Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

50.7%

Overall Marriage Rate

47.5%

Male Marriage Rate

53.7%

Female Marriage Rate

Jefferson Married by Age and Sex

male

female

Jefferson Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

Jefferson Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Jefferson Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

59

Number of Veterans

57

Male Veterans

2

Female Veterans

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Jefferson Veterans by War

count

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Jefferson Veterans by Age

count

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Jefferson Veterans by Race

Jefferson Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

3.39%

Veteran Poverty Rate

15.25%

Veteran Disability Rate

Jefferson Veterans by Education

LaborForceParticipation

72.4%

Labor Force Participation

63%

Employment Rate

12.8%

Unemployment Rate

Jefferson Employment by Age

LaborForceParticipation

Jefferson Employment by Race

LaborForceParticipation

Jefferson Employment by Education

Origin of Non-Citizens

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.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

18.23%

Born in Jefferson

97.46%

Native Born

2.54%

Foreign Born

2.54%

Non Citizen

Naturalized

Place of Birth

97.46% of Jefferson residents were born in the United States, with 18.23% having been born in South Dakota. 2.54% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Jefferson Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2029408-7-1.69%
2028415-7-1.66%
2027422-7-1.63%
2026429-7-1.61%
2025436-7-1.58%
2024443-7-1.56%
2023450-7-1.53%
2022457-7-1.51%
2021464-9-1.9%
2020473-42-8.16%
201951520.39%
2018513
2017513-6-1.16%
2016519-4-0.76%
2015523-16-2.97%
2014539-3-0.55%
2013542-9-1.63%
201255110.18%
2011550-1-0.18%
2010551
showing: 20 rows

Jefferson Population by Year