Castalia, OH Demographics

A map of Castalia's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	820	703	66.7%	90.8%
Multiracial	350	40	28.5%	5.2%
Hispanic	56	28	4.6%	3.6%
Black	4	1	0.3%	0.1%
Asian	0	1	0.0%	0.1%
Native American/Other	0	1	0.0%	0.1%

Castalia, Ohio has an estimated population of 1,230, a dramatic increase from the 774 recorded in the 2020 Census. The population is 66.7% White, 28.5% Multiracial, 4.6% Hispanic, 0.3% Black, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Castalia, with one dot drawn for each person counted by the Census, color-coded by race.

Castalia has become considerably more racially diverse since the 2020 Census. It is considerably more diverse than Ohio overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Castalia, that probability was 17.1% in 2020 and 47.3% in the most recent ACS estimates.

Castalia is ranked the 617th most populous place in Ohio, out of 1,265 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Castalia was ranked the 744th most populous place in the 2020 Census.

Castalia's White Population

820 residents of Castalia, or 66.7% of the population, identify as White. The share of White residents in Castalia is lower than in Ohio overall, where 75.8% of the population is White. Castalia ranks 688th statewide in terms of White residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Castalia's White population has grown by an estimated 16.6%. White residents' share of Castalia's population has decreased from 90.8% to 66.7%.

Castalia is more White than neighboring Crystal Rock (45.2% White), and Sandusky (60.4% White). Castalia is less White than neighboring Bay View (97.7% White), Bloomingville (100% White), and Whites Landing (100% White).

Castalia's Black Population

4 residents of Castalia, or 0.3% of the population, identify as Black. The share of Black residents in Castalia is considerably lower than in Ohio overall, where 12% of the population is Black. Castalia ranks 1007th statewide in terms of Black residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Castalia's Black population has grown by an estimated 300.0%. Black residents' share of Castalia's population has remained roughly unchanged at 0.3%.

Castalia is more Black than neighboring Crystal Rock (0% Black), Bloomingville (0% Black), and Whites Landing (0% Black). Castalia is less Black than neighboring Bay View (0.5% Black), and Sandusky (21.7% Black).

Castalia's Asian Population

0 residents of Castalia, or 0.0% of the population, identify as Asian. The share of Asian residents in Castalia is slightly lower than in Ohio overall, where 2.5% of the population is Asian. Castalia ranks 863rd statewide in terms of Asian residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Castalia's Asian population has declined by an estimated 100.0%. Asian residents' share of Castalia's population has remained roughly unchanged at 0.0%.

Castalia is less Asian than neighboring Bay View (0.3% Asian), and Sandusky (1.8% Asian).

Castalia's Hispanic Population

56 residents of Castalia, or 4.6% of the population, identify as Hispanic. The share of Hispanic residents in Castalia is comparable to the share in Ohio overall, where 4.8% of the population is Hispanic. Castalia ranks 301st statewide in terms of Hispanic residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Castalia's Hispanic population has grown by an estimated 100.0%. Hispanic residents' share of Castalia's population has increased from 3.6% to 4.6%.

Castalia is more Hispanic than neighboring Bay View (1.3% Hispanic), Bloomingville (0% Hispanic), and Whites Landing (0% Hispanic). Castalia is less Hispanic than neighboring Crystal Rock (54.8% Hispanic), and Sandusky (6.1% Hispanic).

Castalia's Native American/Other Population

0 residents of Castalia, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Castalia is comparable to the share in Ohio overall, where 0.5% of the population is Native American/Other. Castalia ranks 999th statewide in terms of Native American/Other residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Castalia's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Castalia's population has remained roughly unchanged at 0.0%.

Castalia is less Native American/Other than neighboring Sandusky (3.3% Native American/Other).

Castalia's Multiracial Population

350 residents of Castalia, or 28.5% of the population, identify as Multiracial. The share of Multiracial residents in Castalia is significantly higher than in Ohio overall, where 4.3% of the population is Multiracial. Castalia ranks 244th statewide in terms of Multiracial residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Castalia's Multiracial population has grown by an estimated 775.0%. Multiracial residents' share of Castalia's population has increased from 5.2% to 28.5%.

Castalia is more Multiracial than neighboring Crystal Rock (0% Multiracial), Bay View (0.2% Multiracial), Bloomingville (0% Multiracial), Whites Landing (0% Multiracial), and Sandusky (6.6% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.