Castalia, South Dakota Population 2024

59

Castalia is a city located in Aurora County, Brule County, Charles Mix County, and Douglas County South Dakota. Castalia has a 2024 population of 59. Castalia is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 59 in 2020.

The average household income in Castalia is $43,650 with a poverty rate of 0%. The median age in Castalia is 26.3 years: 25.8 years for males, and 0 years for females.

Castalia Demographics

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

  • White: 85.29%
  • Two or more races: 14.71%
  • Black or African American: 0%
  • Native American: 0%
  • Asian: 0%
  • Native Hawaiian or Pacific Islander: 0%
  • Other race: 0%
Land Area (mi²)
35.5 sq mi
Density (mi²)
1.70/sq mi
The current population of Castalia, South Dakota is 59 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 59.

Population by Race

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Race
Population
Percentage (of total)
White5885.29%
Two or more races1014.71%
Black or African American00%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%
Other race00%

White

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Castalia Population by Race

Castalia Population Pyramid 2024

Castalia Median Age

26.3

Total

25.8

Male

0

Female

Castalia Adults

There are 50 adults, (19 of whom are seniors) in Castalia.

Castalia Age Dependency

119.4

Age Dependency Ratio

61.3

Old Age Dependency Ratio

58.1

Child Dependency Ratio

Castalia Sex Ratio

Female1014.71%
Male5885.29%

Castalia Population by Age

Castalia Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All401.767.532.5
Non Family2701000
Married133.150100
Male0000
Female0000

3.15

Average Family Size

1.7

Average Household Size

67.5%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Castalia Households and Families

Male

Female

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Education Attained
Count
Percentage
9th to 12th Grade00%
Associates Degree00%
Bachelors Degree1020%
Graduate Degree00%
High School Graduate1938%
Less Than 9th Grade00%
Some College2142%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Castalia Educational Attainment by Sex (over 25)

Castalia Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White40400
2+ Races101010

The highest rate of high school graduation is among white people with a rate of 100%.

The highest rate of bachelors degrees is among 2+ races people with a rate of 100%.

Castalia Educational Attainment by Race

Castalia Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Castalia Language

100% of Castalia 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.

Castalia Language

rate

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Rate
Poverty
Less Than 9th Grade0%
High School0%
Some College0%
Bachelors or Greater0%

Castalia Poverty Rate by Education

rate

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

Castalia Poverty Rate by Employment Status and Sex

Castalia Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Families-$-999,999,999
Households$40,313$43,650
Married Families-$-999,999,999
Non Families-$-999,999,999

mean

median

Income by Household Type

Castalia Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

46.0%

Overall Marriage Rate

32.5%

Male Marriage Rate

100.0%

Female Marriage Rate

Castalia Married by Age and Sex

male

female

Castalia Marriage

The age group where males are most likely to be married is 20-34, while the female age group most likely to be married is 20-34.

Castalia Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Castalia Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

0

Number of Veterans

0

Male Veterans

0

Female Veterans

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

Castalia Veterans by War

count

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Age Group
Veterans
18 to 340
35 to 540
55 to 640
65 to 740
75+0

Castalia Veterans by Age

count

Castalia Veterans by Race

Castalia Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

0%

Veteran Disability Rate

Castalia Veterans by Education

LaborForceParticipation

100%

Labor Force Participation

100%

Employment Rate

0%

Unemployment Rate

Castalia Employment by Age

LaborForceParticipation

Castalia Employment by Race

LaborForceParticipation

Castalia 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

88.24%

Born in Castalia

100%

Native Born

0%

Foreign Born

0%

Non Citizen

0%

Naturalized

Place of Birth

100% of Castalia residents were born in the United States, with 88.24% 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.

Castalia Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
20295900%
20285900%
20275900%
20265900%
20255900%
20245900%
20235900%
20225900%
20215900%
202059-1-1.67%
20196011.69%
201859-1-1.67%
20176000%
20166000%
20156011.69%
20145923.51%
20135700%
20125700%
20115700%
20105700%

Castalia Population by Year