37031
Castalian Springs, Tennessee.
Castalian Springs, Sumner County, TN · Nashville-Davidson--Murfreesboro--Franklin, TN metro · population 3,926
to buy the typical home at today's mortgage rate — +$1,294 (+140%) since Jan 2020.
- 1 year
- Up $13,132 +3%
- $409,319$422,451 since Sep 2025
- 5 years
- Up $99,984 +31%
- $322,467$422,451 since Sep 2021
Monthly payment to buy the typical home
Home value × that month's 30-year mortgage rate, 20% down, principal and interest. This is the line households feel: prices and rates compound each other.
- 37031$2,217
- United States$1,922
At the last five years' pace, a typical home here doubles in price every 13 years.
Typical home values in zip 37031 rose 3.2% over the past year — faster than the nation's +1.2%.
This zip spans 2 counties: Sumner County, TN 78% · Trousdale County, TN 22%
Zillow also publishes an index for the city itself: Castalian Springs, TN — measured over the city limits, which is a different area from this zip.
Typical home value — 37031
Mid-tier homes, smoothed and seasonally adjusted.
- 37031$422,451
- Nashville$448,896
- United States$366,157
Within 20 miles
| Miles sorted ascending, activate to sort descending | Zip activate to sort by Zip | City activate to sort by City | Population activate to sort by Population | Rent activate to sort by Rent | Home value activate to sort by Home value |
|---|---|---|---|---|---|
| 7.0 | 37087 | Lebanon | 56,655 | $1,692 | $437,530 |
| 8.7 | 37066 | Gallatin | 64,650 | $1,718 | $441,341 |
| 8.8 | 37022 | Bethpage | 5,728 | — | $346,500 |
| 9.2 | 37074 | Hartsville | 10,932 | — | $325,611 |
| 14.9 | 37151 | Riddleton | 457 | — | $302,726 |
| 15.4 | 37186 | Westmoreland | 10,709 | — | $283,659 |
| 15.5 | 37057 | Dixon Springs | 1,016 | — | $294,679 |
| 16.9 | 37122 | Mount Juliet | 68,492 | $2,081 | $565,761 |
| 17.1 | 37075 | Hendersonville | 73,522 | $1,652 | $509,903 |
| 17.1 | 37090 | Lebanon | 19,774 | $1,556 | $452,329 |
| 18.0 | 37148 | Portland | 26,274 | $1,650 | $328,489 |
| 18.0 | 37048 | Cottontown | 6,380 | — | $475,648 |
| 19.6 | 37138 | Old Hickory | 22,575 | $2,163 | $383,675 |
Coordinates and population from SimpleMaps US Zips (Basic). Rent and home values from Zillow Research.