Seneca, South Dakota Population 2020

38

Seneca is a city located in South Dakota. With a 2020 population of 38, it is the 289th largest city in South Dakota and the 19227th largest city in the United States. Seneca is currently declining at a rate of 0.00% annually and its population has decreased by 0.00% since the most recent census, which recorded a population of 38 in 2010. Seneca reached it's highest population of 39 in 2012. Spanning over 0 miles, Seneca has a population density of 91 people per square mile.

The average household income in Seneca is $62,467 with a poverty rate of 7.69%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Seneca is 67.7 years, 67.2 years for males, and 72.3 years for females. For every 100 females there are 100.0 males.

Seneca Demographics

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

  • White: 100.00%
  • Black or African American: 0.00%
  • Native American: 0.00%
  • Asian: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
  • Other race: 0.00%
  • Two or more races: 0.00%
The current population of Seneca, South Dakota is 38, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 38.The last official US Census in 2010 recorded the population at 38.

Seneca, South Dakota Population 2020

Seneca Population Pyramid 2020

Seneca Median Age

67.7


Total

67.2


Male

72.3


Female

Seneca Adults

There are 23 adults, (16 of whom are seniors) in Seneca.

Seneca Age Dependency

271.4

Age Dependency Ratio

228.6

Old Age Dependency Ratio

42.9

Child Dependency Ratio

Seneca Sex Ratio

Female

13

50.00%

Male

13

50.00%

Seneca Households and Families

Seneca Renter vs Owner Occupied by Household Type

Seneca Household Types

Type Owner Renter
Non Family100%0%
Married100%0%
All100%0%
Female0%0%
Male0%0%

100.0%

Rate of Home Ownership

Type Count Average Size Owned
All151.73100
Non Family81.25100
Married72.29100
Female00
Male00

2.29

Average Family Size

1.73

Average Household Size

20%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

Seneca Education

Education Attained Count Percentage
Less Than 9th Grade0.00%
9th to 12th Grade0.00%
High School Graduate28.70%
Some College626.09%
Associates Degree626.09%
Bachelors Degree730.43%
Graduate Degree28.70%

Seneca Educational Attainment by Race

The highest rate of high school graduation is among white people with a rate of 100.00%.

The highest rate of bachelors degrees is among white people with a rate of 39.13%.

Name Average Male Female
Overall$43,125$43,125$
Less Than High School$$$
High School Grad$$$
Some College$34,583$43,125$
Bachelors Degree$$$
Graduate Degree$$$

$43,125

Average Earnings

$43,125

Average Male

$

Average Female

Seneca Language

Seneca Language by Age

Seneca Language

100.00% of Seneca residents speak only English, while 0.00% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0.00% of the population.

Seneca Poverty

Seneca Poverty by Race

7.69%

Overall Poverty Rate

15.38%

Male Poverty Rate

0.00%

Female Poverty Rate

Poverty in Seneca

The race most likely to be in poverty in Seneca is White, with 7.69% below the poverty level.

The race least likely to be in poverty in Seneca is White, with 7.69% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.00%. Among those working part-time, it was 0.00%, and for those that did not work, the poverty rate was 16.67%.

Name Poverty
Some College16.67%
Bachelors or Greater0.00%
High School0.00%
Less Than High SchoolNaN%
Name Poverty
Female Unemployed0.00%
Female Employed0.00%
Male Unemployed0.00%
Male Employed0.00%

Seneca Income

Seneca Income by Household Type

Name Median Mean
Households-$62,467
Families-$49,986
Married Families--
Non Families$103,750$73,388

Seneca Marital Status

Seneca Marital Status

Marriage Rates

50.0%

Overall Marriage Rate

61.5%

Male Marriage Rate

38.5%

Female Marriage Rate

Seneca Married by Age and Sex

Seneca 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 45-54.

Seneca Marital Status by Race

Seneca Veterans

Number of Veterans

Male Veterans

Female Veterans

War Veterans
World War II
Korea
Vietnam
First Gulf War
Second Gulf War

$Seneca Veterans by Education

NaN%

Veteran Poverty Rate

NaN%

Veteran Disability Rate

Seneca Employment Status

53.8%

Labor Force Participation

53.8%

Employment Rate

0%

Unemployment Rate

Seneca 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

92.31%

Born in South Dakota

100.00%

Native Born

0.00%

Foreign Born

0.00%

Non Citizen

Place of Birth

100.00% of Seneca residents were born in the United States, with 92.31% having been born in South Dakota. 0.00% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Year Population Growth Annual Growth Rate
2020380.00%
2019380.00%
20183812.70%
2017370.00%
2016370.00%
2015370.00%
201437-2-5.13%
2013390.00%
20123912.63%
2011380.00%
2010380.00%