Castalia is a city located in Fayette County and Winneshiek County Iowa. Castalia has a 2024 population of 139. Castalia is currently declining at a rate of -0.71% annually and its population has decreased by -4.14% 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.
According to the most recent ACS, the racial composition of Castalia was:
White
Black or African American
Native American
Asian
Native Hawaiian or Pacific Islander
Other race
Two or more races
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 75 | 1.87 | 90.7 | 9.3 |
| Non Family | 38 | 1.32 | 86.8 | 13.2 |
| Married | 37 | 2.43 | 94.6 | 5.4 |
| Male | 0 | 0 | 0 | 0 |
| Female | 0 | 0 | 0 | 0 |
2.43
Average Family Size
1.87
Average Household Size
90.7%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
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%.
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
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.
rate
13.04%
Overall Poverty Rate
6.25%
Male Poverty Rate
18.92%
Female Poverty Rate
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%.
Married
Widowed
Divorced
Separated
NeverMarried
60.3%
Overall Marriage Rate
66.7%
Male Marriage Rate
54.4%
Female Marriage Rate
male
female
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.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
7.14%
Veteran Poverty Rate
21.43%
Veteran Disability Rate
LaborForceParticipation
55.7%
Labor Force Participation
55.7%
Employment Rate
0%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
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.
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
0%
Naturalized
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.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 131 | -2 | -1.5% |
| 2028 | 133 | -1 | -0.75% |
| 2027 | 134 | -2 | -1.47% |
| 2026 | 136 | -1 | -0.73% |
| 2025 | 137 | -2 | -1.44% |
| 2024 | 139 | -1 | -0.71% |
| 2023 | 140 | -2 | -1.41% |
| 2022 | 142 | -1 | -0.7% |
| 2021 | 143 | -2 | -1.38% |
| 2020 | 145 | -13 | -8.23% |
| 2019 | 158 | -1 | -0.63% |
| 2018 | 159 | -1 | -0.62% |
| 2017 | 160 | -3 | -1.84% |
| 2016 | 163 | -2 | -1.21% |
| 2015 | 165 | -1 | -0.6% |
| 2014 | 166 | -4 | -2.35% |
| 2013 | 170 | -2 | -1.16% |
| 2012 | 172 | 0 | 0% |
| 2011 | 172 | -1 | -0.58% |
| 2010 | 173 | 0 | 0% |