Castalia, IA Profile: Facts & Data


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Castalia, Iowa - Basic Facts

The City of Castalia had a population of 167 as of July 1, 2018. Castalia ranks in the lower quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Iowa. See peer rankings below.

The primary coordinate point for Castalia is located at latitude 43.1128 and longitude -91.677 in Winneshiek County. The formal boundaries for the City of Castalia (see map below) encompass a land area of 0.58 sq. miles and a water area of 0 sq. miles. Winneshiek County is in the Central time zone (GMT -6). The elevation is 1,247 feet.

The City of Castalia (GNIS ID: 2393770) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Castalia is located within Township of Bloomfield, a minor civil division (MCD) of Winneshiek County.

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  1. Castalia 2018 Demographic Data
  2. Growth Rates for Castalia (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Iowa Research Tools (Easy Tools & Current Data)
  3. Iowa Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Castalia, IA Data & Demographics (As of July 1, 2018)


Total Population 167
Population in Households 167
Population in Familes 138
Population in Group Qrtrs 0
Population Density2 287
Diversity Index3 11


Median Household Income $58,434
Average Household Income $67,498
Per Capita Income $28,833


Total Housing Units 84 (100%)
Owner Occupied HU 68 (81.0%)
Renter Occupied HU 12 (14.3%)
Vacant Housing Units 4 ( 4.8%)
Median Home Value $190,000
Average Home Value $266,176


Total Households 80
Average Household Size 2.09
Family Households 56
Average Family Size 2
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2018 2018-2023
Population -0.43% -0.48%
Households -0.3% -0.51%
Families 1.63% -0.72%
Median Household Income   1.34%
Per Capita Income   2.1%

Castalia, IA - Peer Comparisons by Rank and Percentile

The table below compares Castalia to the other 1,009 incorporated cities, towns and CDPs in Iowa by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 753 26th
Population Density # 794 21st
Diversity Index # 433 58th
Median Household Income # 373 63rd
Per Capita Income # 494 51st

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