Castalia, Iowa Population 2024

140

Castalia is a city located in Winneshiek County Iowa. Castalia has a 2024 population of 140. Castalia is currently declining at a rate of -0.71% annually and its population has decreased by -3.45% since the most recent census, which recorded a population of 145 in 2020.

The average household income in Castalia is $61,072 with a poverty rate of 13.04%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Castalia is 59.4 years, 59.3 years for males, and 59.5 years for females.

Castalia Demographics

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

  • White: 100%
  • Black or African American:
  • Native American:
  • Asian:
  • Native Hawaiian or Pacific Islander:
  • Other race:
  • Two or more races:
State
Iowa
Land Area (mi²)
0.6 sq mi
Density (mi²)
242.50/sq mi
Growth Since 2020
-3.45% (-5)
The current population of Castalia, Iowa is 140 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 145.

Castalia, Iowa Population 2024

Population by Race

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Race
Population
Percentage (of total)
White140100%
Black or African American
Native American
Asian
Native Hawaiian or Pacific Islander
Other race
Two or more races
showing: 7 rows

White

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Two or more races

Castalia Population by Race

Castalia Population Pyramid 2024

Castalia Median Age

59.4

Total

59.3

Male

59.5

Female

Castalia Adults

There are 129 adults, (45 of whom are seniors) in Castalia.

Castalia Age Dependency

66.7

Age Dependency Ratio

53.6

Old Age Dependency Ratio

13.1

Child Dependency Ratio

Castalia Sex Ratio

Female7452.86%
Male6647.14%

Castalia Population by Age

Castalia Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All751.8790.79.3
Non Family381.3286.813.2
Married372.4394.65.4
Male000
Female000
showing: 5 rows

2.43

Average Family Size

1.87

Average Household Size

90.7%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Castalia 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

Castalia Educational Attainment by Sex (over 25)

Castalia Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among white people with a rate of 86.99%.

The highest rate of bachelors degrees is among white people with a rate of 2.44%.

Castalia Educational Attainment by Race

All

Male

Female

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$26,250

Average Earnings

$37,500

Average Male

$23,750

Average Female

Castalia Earnings by Educational Attainment

Castalia Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Castalia Language

94.96% of Castalia residents speak only English, while 5.04% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 4.32% of the population.

Castalia Language

Castalia Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White131118.4%
Hispanic77100%
showing: 2 rows

13.04%

Overall Poverty Rate

6.25%

Male Poverty Rate

18.92%

Female Poverty Rate

Poverty in Castalia

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

The race least likely to be in poverty in Castalia is White, with 8.4% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 6.38%. Among those working part-time, it was 5.88%, and for those that did not work, the poverty rate was 16%.

Castalia Poverty

rate

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Rate
Poverty
Bachelors or Greater33.33%
High School11.11%
Less Than 9th Grade6.25%
Some College4.88%
showing: 4 rows

Castalia Poverty Rate by Education

rate

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Rate
Poverty
Male Employed4.55%
Male Unemployed
Female Employed10.34%
Female Unemployed
showing: 4 rows

Castalia Poverty Rate by Employment Status and Sex

Castalia Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Castalia Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

60.3%

Overall Marriage Rate

66.7%

Male Marriage Rate

54.4%

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 35-44, while the female age group most likely to be married is 35-44.

Castalia Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Castalia Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

14

Number of Veterans

14

Male Veterans

Female Veterans

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Castalia Veterans by War

count

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Castalia Veterans by Age

count

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Castalia Veterans by Race

Castalia Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

7.14%

Veteran Poverty Rate

21.43%

Veteran Disability Rate

Castalia Veterans by Education

LaborForceParticipation

55.7%

Labor Force Participation

55.7%

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

90.71%

Born in Castalia

97.86%

Native Born

2.14%

Foreign Born

2.14%

Non Citizen

Naturalized

Place of Birth

97.86% of Castalia residents were born in the United States, with 90.71% having been born in Iowa. 2.14% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Castalia Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2029135-1-0.74%
2028136-1-0.73%
2027137-1-0.72%
2026138-1-0.72%
2025139-1-0.71%
2024140-1-0.71%
2023141-1-0.7%
2022142-1-0.7%
2021143-2-1.38%
2020145-13-8.23%
2019158-1-0.63%
2018159-1-0.62%
2017160-3-1.84%
2016163-2-1.21%
2015165-1-0.6%
2014166-4-2.35%
2013170-2-1.16%
2012172
2011172-1-0.58%
2010173
showing: 20 rows

Castalia Population by Year