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. For every 100 females there are 101.2 males.
Data after 2023 is projected based on recent change
The racial composition of Castalian Springs includes 92.28% White, and smaller percentages for Asian and multiracial populations.
White (92.28%)
Two or more races (6.33%)
Asian (1.39%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 598 | 92.28% |
| Two or more races | 41 | 6.33% |
| Asian | 9 | 1.39% |
Married
Widowed
Divorced
Separated
Never Married
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%.
Name | Median | Mean |
|---|---|---|
| Married Families | $119,583 | - |
| Families | $118,095 | $106,769 |
| Households | $86,071 | $92,638 |
| Non Families | $34,527 | $58,797 |
Average Income
Median Household Income
Poverty Rate