Castalia, IA Profile: Facts & Data

The City of Castalia had a population of 153 as of July 1, 2023. 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 43.1119 and longitude -91.6763 in Winneshiek County. The formal boundaries for the City of Castalia 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 City of Castalia 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.

Castalia, IA Data & Demographics (As of July 1, 2023)

POPULATION
Total Population	153 (100%)
Population in Households	153 (100.0%)
Population in Families	117 (76.5%)
Population in Group Quarters¹	0
Population Density	265
Diversity Index²	15


INCOME
Median Household Income	$61,649
Average Household Income	$69,344
% of Income for Mortgage⁴	14%
Per Capita Income	$34,445
Wealth Index⁵	51
Socioeconomic Status Index⁶	Moderate (56.9)

HOUSING
Total HU (Housing Units)	78 (100%)
Owner Occupied HU	66 (84.6%)
Renter Occupied HU	10 (12.8%)
Vacant Housing Units	2 ( 2.6%)
Median Home Value	$140,000
Average Home Value	$187,121
Housing Affordability Index³	172

HOUSEHOLDS
Total Households	76
Average Household Size	2.01
Family Households	40
Average Family Size	3.00

NOTES

Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
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 races 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.
The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.
The Socioeconomic Index ranges from zero (lowest relative status) to 100 (highest relative status). This measure quantifies disparities in social position of an area's inhabitants and is built from a broad range of demographic, housing, and socioeconomic inputs. More information on this measure can be found in Esri's SEI tutorial.

Castalia, IA - Peer Comparisons by Rank and Percentile

The table below compares Castalia to the other 1,027 incorporated cities, towns and CDPs in Iowa by rank and percentile using July 1, 2023 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.

GROWTH RATE / YEAR	2020-2023	2023-2028
Population	1.67%	-0.26%
Households	-0.80%	0.00%
Families		-1.02%
Median Household Income		1.78%
Per Capita Income		3.34%
Owner Occupied HU		0.00%

Variable Description	Rank	Percentile
Total Population	# 752	27th
Population Density	# 787	24th
Median Household Income	# 640	38th
Housing Affordability Index	# 713	69th
Per Capita Income	# 714	31st
Diversity Index	# 557	46th

Castalia, IA Profile: Facts & Data

Castalia, Iowa - Basic Facts

Castalia, IA Data & Demographics (As of July 1, 2023)

POPULATION

INCOME

HOUSING

HOUSEHOLDS

GROWTH RATE / YEAR

Castalia, IA - Peer Comparisons by Rank and Percentile

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Winneshiek County