Interior, South Dakota Population 2024

65

Interior is a city located in Jackson County and Pennington County South Dakota. Interior has a 2024 population of 65. Interior is currently declining at a rate of -1.52% annually and its population has decreased by -2.99% since the most recent census, which recorded a population of 67 in 2020.

The average household income in Interior is $31,388 with a poverty rate of 32.69%. The median age in Interior is 57 years: 57.3 years for males, and 46.9 years for females.

Interior Demographics

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

  • White: 80.77%
  • Native American: 19.23%
  • Black or African American: 0%
  • Asian: 0%
  • Native Hawaiian or Pacific Islander: 0%
  • Other race: 0%
  • Two or more races: 0%
Land Area (mi²)
1.3 sq mi
Density (mi²)
48.60/sq mi
Growth Since 2020
-2.99% (-2)
The current population of Interior, South Dakota is 65 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 67.

Population by Race

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Race
Population
Percentage (of total)
White4280.77%
Native American1019.23%
Black or African American00%
Asian00%
Native Hawaiian or Pacific Islander00%
Other race00%
Two or more races00%

White

Native American

Black or African American

Asian

Native Hawaiian or Pacific Islander

Other race

Two or more races

Interior Population by Race

Interior Population Pyramid 2024

Interior Median Age

57

Total

57.3

Male

46.9

Female

Interior Adults

There are 52 adults, (11 of whom are seniors) in Interior.

Interior Age Dependency

26.8

Age Dependency Ratio

26.8

Old Age Dependency Ratio

0

Child Dependency Ratio

Interior Sex Ratio

Female2242.31%
Male3057.69%

Interior Population by Age

Interior Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All252.088020
Non Family1201000
Male82.6337.562.5
Married53.81000
Female0000

3.08

Average Family Size

2.08

Average Household Size

80.0%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Interior Households and Families

Male

Female

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Education Attained
Count
Percentage
9th to 12th Grade24.26%
Associates Degree00%
Bachelors Degree510.64%
Graduate Degree510.64%
High School Graduate3063.83%
Less Than 9th Grade00%
Some College510.64%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Interior Educational Attainment by Sex (over 25)

Interior Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White42405
Native American555

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 native american people with a rate of 100%.

Interior Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Bachelors Degree$0$0$0
Graduate Degree$0$0$0
High School Graduate$0$33,750$0
Less Than 9th Grade$0$0$0
Overall$26,719$27,143$0
Some College$0$0$0

$26,719

Average Earnings

$27,143

Average Male

$0

Average Female

Interior Earnings by Educational Attainment

Interior Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Interior Language

100% of Interior residents speak only English, while 0% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0% of the population.

Interior Language

Interior Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
Native1010100%
White42716.67%

32.69%

Overall Poverty Rate

16.67%

Male Poverty Rate

54.55%

Female Poverty Rate

Poverty in Interior

The race most likely to be in poverty in Interior is Native, with 100% below the poverty level.

The race least likely to be in poverty in Interior is White, with 16.67% 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 43.75%, and for those that did not work, the poverty rate was 47.62%.

Interior Poverty

rate

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Rate
Poverty
Bachelors or Greater50%
High School23.33%
Less Than 9th Grade0%
Some College0%

Interior Poverty Rate by Education

rate

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Rate
Poverty
Male Employed0%
Male Unemployed0%
Female Employed0%
Female Unemployed0%

Interior Poverty Rate by Employment Status and Sex

Interior Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Families$38,438$29,408
Households-$31,388
Married Families-$-999,999,999
Non Families-$-999,999,999

mean

median

Income by Household Type

Interior Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

32.7%

Overall Marriage Rate

40.0%

Male Marriage Rate

22.7%

Female Marriage Rate

Interior Married by Age and Sex

male

female

Interior 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 Over 65.

Interior Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Interior Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

7

Number of Veterans

7

Male Veterans

0

Female Veterans

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War
Veterans
First Gulf War5
Second Gulf War0
Vietnam0
Korea0
World War II0

Interior Veterans by War

count

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Age Group
Veterans
55 to 647
18 to 340
35 to 540
65 to 740
75+0

Interior Veterans by Age

count

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Name
Veterans
% of Total
Native American550%
White24.76%

Interior Veterans by Race

Interior Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

71.43%

Veteran Poverty Rate

0%

Veteran Disability Rate

Interior Veterans by Education

LaborForceParticipation

46.2%

Labor Force Participation

46.2%

Employment Rate

0%

Unemployment Rate

Interior Employment by Age

LaborForceParticipation

Interior Employment by Race

LaborForceParticipation

Interior 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

61.54%

Born in Interior

100%

Native Born

0%

Foreign Born

0%

Non Citizen

0%

Naturalized

Place of Birth

100% of Interior residents were born in the United States, with 61.54% 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.

Interior Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
20296400%
20286400%
202764-1-1.54%
20266500%
20256500%
202465-1-1.52%
202366-2-2.94%
20226800%
20216811.49%
202067-36-34.95%
201910310.98%
201810200%
201710200%
201610200%
201510222%
201410011.01%
20139911.02%
20129822.08%
20119633.23%
20109300%

Interior Population by Year