Jefferson, South Dakota Population 2020

500

Jefferson is a city located in South Dakota. With a 2020 population of 500, it is the 117th largest city in South Dakota and the 13303rd largest city in the United States. Jefferson is currently declining at a rate of -1.19% annually and its population has decreased by -8.59% since the most recent census, which recorded a population of 547 in 2010. Jefferson reached it's highest population of 551 in 2010. Spanning over 1 miles, Jefferson has a population density of 979 people per square mile.

The average household income in Jefferson is $61,215 with a poverty rate of 11.20%. The median rental costs in recent years comes to $408 per month, and the median house value is $109,300. The median age in Jefferson is 37.9 years, 37.3 years for males, and 39.7 years for females. For every 100 females there are 99.4 males.

Jefferson Demographics

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

  • White: 96.75%
  • Two or more races: 1.46%
  • Other race: 1.30%
  • Black or African American: 0.49%
  • Native American: 0.00%
  • Asian: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Jefferson, South Dakota is 500, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 512.The last official US Census in 2010 recorded the population at 547.

Jefferson, South Dakota Population 2020

Population by Race

Race Population Percentage
White59696.75%
Two or More Races91.46%
Some Other Race81.30%
Black or African American30.49%

Jefferson Population Pyramid 2020

Jefferson Median Age

37.9


Total

37.3


Male

39.7


Female

Jefferson Adults

There are 474 adults, (117 of whom are seniors) in Jefferson.

Jefferson Age Dependency

72.5

Age Dependency Ratio

32.8

Old Age Dependency Ratio

39.8

Child Dependency Ratio

Jefferson Sex Ratio

Female

309

50.16%

Male

307

49.84%

Jefferson Households and Families

Jefferson Renter vs Owner Occupied by Household Type

Jefferson Household Types

Type Owner Renter
Male100%0%
Married87.5%12.5%
All82%18%
Non Family79.3%20.7%
Female55%45%

82.0%

Rate of Home Ownership

Type Count Average Size Owned
All2782.2282
Married1363.1287.5
Non Family1161.1679.3
Female202.1555
Male62.5100

2.98

Average Family Size

2.22

Average Household Size

5%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

Jefferson Education

Education Attained Count Percentage
Less Than 9th Grade153.56%
9th to 12th Grade174.04%
High School Graduate14434.20%
Some College8820.90%
Associates Degree8921.14%
Bachelors Degree5513.06%
Graduate Degree133.09%

Jefferson Educational Attainment by Race

Name Total High School Bachelors
White41038264
Hispanic1174
Other Race844

The highest rate of high school graduation is among white people with a rate of 93.17%.

The highest rate of bachelors degrees is among other race people with a rate of 50.00%.

Name Average Male Female
Overall$38,750$51,250$31,250
Less Than High School$34,688$$
High School Grad$42,250$55,481$
Some College$35,568$40,000$30,750
Bachelors Degree$52,917$76,563$35,156
Graduate Degree$$$

$38,750

Average Earnings

$51,250

Average Male

$31,250

Average Female

Jefferson Language

Jefferson Language by Age

Jefferson Language

98.59% of Jefferson residents speak only English, while 1.41% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.41% of the population.

Jefferson Poverty

Jefferson Poverty by Race

Name Total In Poverty Poverty Rate
White5926010.14%
Multiple99100.00%

11.20%

Overall Poverty Rate

2.93%

Male Poverty Rate

19.42%

Female Poverty Rate

Poverty in Jefferson

The race most likely to be in poverty in Jefferson is Multiple, with 100.00% below the poverty level.

The race least likely to be in poverty in Jefferson is White, with 10.14% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.55%. Among those working part-time, it was 26.23%, and for those that did not work, the poverty rate was 13.82%.

Name Poverty
Less Than High School34.38%
High School7.64%
Bachelors or Greater4.41%
Some College1.69%
Name Poverty
Female Employed19.11%
Female Unemployed0.00%
Male Unemployed0.00%
Male Employed1.73%

Jefferson Income

Jefferson Income by Household Type

Name Median Mean
Households$50,714$61,215
Families$65,500$77,941
Married Families$80,833-
Non Families$34,318$37,855

Jefferson Marital Status

Jefferson Marital Status

Marriage Rates

57.9%

Overall Marriage Rate

60.3%

Male Marriage Rate

55.7%

Female Marriage Rate

Jefferson Married by Age and Sex

Jefferson Marriage

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

Jefferson Marital Status by Race

Jefferson Veterans

45

Number of Veterans

45

Male Veterans

Female Veterans

War Veterans
Vietnam25
Second Gulf War14
First Gulf War9
World War II
Korea
Age Group Veterans
65 to 7418
35 to 5410
55 to 647
75+5
18 to 345

$Jefferson Veterans by Education

0.00%

Veteran Poverty Rate

24.44%

Veteran Disability Rate

Jefferson Employment Status

70.8%

Labor Force Participation

68.8%

Employment Rate

2.9%

Unemployment Rate

Jefferson Place of Birth

Origin of Non-Citizens

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

13.64%

Born in South Dakota

98.86%

Native Born

1.14%

Foreign Born

0.49%

Non Citizen

Place of Birth

98.86% of Jefferson residents were born in the United States, with 13.64% having been born in South Dakota. 0.49% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Year Population Growth Annual Growth Rate
2020500-6-1.19%
2019506-6-1.17%
201851220.39%
2017510-6-1.16%
2016516-5-0.96%
2015521-17-3.16%
2014538-3-0.55%
2013541-9-1.64%
20125500.00%
2011550-1-0.18%
20105510.00%