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Castalia, OH Profile: Facts & Data

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Castalia, Ohio - Basic Facts

The Village of Castalia had a population of 774 as of July 1, 2025.

The primary coordinate point for Castalia is located at latitude 41.4001 and longitude -82.8085 in Erie County. The formal boundaries for the Village of Castalia encompass a land area of 1.04 sq. miles and a water area of 0.01 sq. miles. Erie County is in the Eastern time zone (GMT -5).

The Village 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.

The Village of Castalia is located within Township of Margaretta, a minor civil division (MCD) of Erie County.


Jump to... (On This Page!)
  1. Castalia 2025 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. Ohio Research Tools (Easy Tools & Current Data)
  3. Ohio Data Comparison Tool - 2025 Demographics
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Castalia, OH Data & Demographics (As of July 1, 2025)

POPULATION

Total Population 774 (100%)
Population in Households 774 (100.0%)
Population in Families 621 (80.2%)
Population in Group Quarters1 0
Population Density 757
Diversity Index2 18
 
 

INCOME

Median Household Income $67,219
Average Household Income $79,646
% of Income for Mortgage4 19%
Per Capita Income $34,163
Wealth Index5 63
Socioeconomic Status Index6 Moderate (51.1)
 

HOUSING

Total HU (Housing Units) 360 (100%)
Owner Occupied HU 279 (77.5%)
Renter Occupied HU 53 (14.7%)
Vacant Housing Units 28 ( 7.8%)
Median Home Value $206,786
Average Home Value $218,817
Housing Affordability Index3 114
 

HOUSEHOLDS

Total Households 332
Average Household Size 2.33
Family Households 232
Average Family Size 3.00
NOTES
  1. 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.
  2. 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.
  3. 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.
  4. 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).
  5. 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.
  6. 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.

GROWTH RATE / YEAR

 2020-2025 2025-2030
Population 0.00% 0.00%
Households -0.11% 0.06%
Families   -0.52%
Median Household Income   3.82%
Per Capita Income   2.10%
Owner Occupied HU   -0.65%

Castalia, OH - Peer Comparisons by Rank and Percentile

The table below compares Castalia to the other 1,265 incorporated cities, towns and CDPs in Ohio by rank and percentile using July 1, 2025 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 # 745 41st
Population Density # 867 32nd
Median Household Income # 730 42nd
Housing Affordability Index # 561 44th
Per Capita Income # 755 40th
Diversity Index # 672 47th

Additional comparisons and rankings can be made with a VERY EASY TO USE Ohio Census Data Comparison Tool.

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