The Town FilesCastalian Springs, Tennessee
Community in Sumner County · population 608 (2020 Census)
- Median home
- $283,100
- Household income
- $57,917
- Jan low / Jul high
- 25° / 88°
- Snow a year
- 5 in
- Tornadoes ≤10 mi since 1950
- 42
- Median age
- 44.1
Castalian Springs is a community of 608 people in Sumner County, Tennessee. The median home is worth $283,100, above the typical Tennessee town ($204,650). It ranks better for first-time buyers than 99% of Tennessee towns, better for families than 88% of Tennessee towns, quieter than 85% of Tennessee towns.
How Castalian Springs ranks
Percentile among Tennessee towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Tennessee towns.
Homes and cost of living
The median home in Castalian Springs is worth $283,100, above the typical Tennessee town ($204,650). Homes cost about 4.9 times the median household income of $57,917, which is more affordable than 13% of Tennessee towns. 100.0% of households own their home.
| Housing | Castalian Springs | Typical Tennessee town |
|---|---|---|
| Median home value | $283,100 | $204,650 |
| Median rent | — | $863 |
| Median household income | $57,917 | $57,917 |
| Home value ÷ income | 4.9× | 3.7× |
| Homeownership | 100.0% | 69.7% |
| Median year built | 1981 | 1980 |
| Seasonal / vacation homes | 0.0% | — |
Who lives in Castalian Springs
| People | Castalian Springs | Typical Tennessee town |
|---|---|---|
| Median age | 44.1 | 40.8 |
| Age 65 and over | 23.3% | 18.4% |
| Under 18 | 26.1% | — |
| Bachelor's degree or higher | 30.2% | 18.2% |
| Below the poverty line | 9.3% | 14.2% |
| Veterans | 5.8% | — |
| Born outside the U.S. | 1.0% | — |
| Work from home | 13.1% | 8.2% |
| Average commute | 28.1 min | 25.9 min |
| Homes with broadband | 82.3% | 88.2% |
Weather in Castalian Springs
July highs average 87.7°F and January lows 25.3°F. About 55.0 inches of rain and melted snow fall a year, with 4.6 inches of snow (typical Tennessee town: 3.5 in). Expect about 36 days a year at 90°F or hotter and 100 nights at or below freezing.
Tornadoes, storms and disasters
42 tornadoes have passed within 10 miles of Castalian Springs since 1950, compared with 16 for the typical Tennessee town. 15 rated (E)F2 or stronger. The strongest, an EF3, struck on February 5, 2008 about 0.2 miles from the town center and killed 8. Tornadoes within 10 miles have caused 31 deaths and 237 injuries since 1950. The most recent was on December 9, 2023.
Hail of 1 inch or larger has been reported within 10 miles 40 times; the largest was 1.75 inches on March 15, 2012.
Severe weather in Sumner County since 1996
Sumner County has been included in 22 federal disaster or emergency declarations since 1953, most often for flood, tornado, hurricane.
| Declared | Incident | Declaration |
|---|---|---|
| February 6, 2026 | Winter Storm | DR-4898: Severe Winter Storm |
| January 24, 2026 | Winter Storm | EM-3635: Severe Winter Storm |
| April 2, 2025 | Severe Storm | EM-3625: Severe Storms, Straight-Line Winds, Tornadoes, And Flooding |
| June 17, 2024 | Severe Storm | DR-4792: Severe Storms, Tornadoes, And Flooding |
| December 13, 2023 | Severe Storm | DR-4751: Severe Storms And Tornadoes |
Jobs and pay in Sumner County
Sumner County had 62,665 jobs in 2024, paying an average of $59,304 a year. Unemployment was 2.6% in 2023; in Castalian Springs itself the ACS puts it at 0%.
Towns near Castalian Springs
- Hartsville/Trousdale County, TN8.4 mi · 11,615 people · home $337,600
- Gallatin, TN9.0 mi · 44,431 people · home $372,000
- Westmoreland, TN11.9 mi · 2,718 people · home $241,700
- Lebanon, TN14.1 mi · 38,431 people · home $378,400
- Shackle Island, TN17.3 mi · 3,331 people · home $540,400
- Lafayette, TN17.5 mi · 5,584 people · home $213,900
- Hendersonville, TN17.7 mi · 61,753 people · home $430,700
- Walnut Grove, TN17.7 mi · 911 people · home $502,300
Castalian Springs questions
Is Castalian Springs, Tennessee a good place to retire?
On The Town Files lifestyle rankings, Castalian Springs scores better for retirees than 81% of Tennessee towns and quieter than 85%. 23.3% of residents are 65 or older (median age 44.1).
How much does a house cost in Castalian Springs?
The median owner-occupied home in Castalian Springs is valued at $283,100 (Census ACS 2020–2024), against a median household income of $57,917, so homes cost about 4.9 times income. Median rent is — a month.
What is the weather like in Castalian Springs?
July highs average 87.7°F and January lows 25.3°F (NOAA 1991–2020 normals). It gets about 55.0 inches of precipitation a year and 4.6 inches of snow.
Does Castalian Springs get tornadoes?
42 tornadoes have passed within 10 miles of Castalian Springs since 1950 (NOAA Storm Events); the strongest was an EF3 on February 5, 2008. The typical Tennessee town has had 16.
- U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024)
- U.S. Census Bureau, 2020 Census and 2025 Gazetteer (2020 / 2025)
- NOAA NCEI U.S. Climate Normals (1991–2020)
- NOAA NCEI Storm Events Database (1950–2026)
- FEMA OpenFEMA Disaster Declarations (this product uses the FEMA OpenFEMA API but is not endorsed by FEMA) (1953–2026)
- NCES Common Core of Data (2023–24)
- BLS Quarterly Census of Employment and Wages; USDA ERS county unemployment (BLS LAUS) (2000–2024)
- The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025)