Castalian Springs

County:: Sumner County
County Seat:: No
Area (mi²):: 5.817
State:: Tennessee

Castalian Springs is a CDP located in Sumner County, Tennessee. Castalian Springs has a 2025 population of 636. Castalian Springs is currently growing at a rate of 0.79% annually and its population has increased by 60.2% since the most recent census, which recorded a population of 397 in 2020.

The average household income in Castalian Springs is $92,638 with a poverty rate of 7.25%. The median age in Castalian Springs is 45 years: 49.2 years for males, and 42.7 years for females.

Demographics

The racial composition of Castalian Springs includes 92.28% White, and smaller percentages for Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	598	92.28%
Two or more races	41	6.33%
Asian	9	1.39%
Black or African American	0	0%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

Castalian Springs Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Castalian Springs' average per capita income is $62,701. Household income levels show a median of $86,071. The poverty rate stands at 7.25%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$119,583	-
Families	$118,095	$106,769
Households	$86,071	$92,638
Non Families	$34,527	$58,797

$62,701

Average Income

$86,071

Median Household Income

7.25%

Poverty Rate