Castalian Springs, TN ZIP Codes
One ZIP code serves Castalian Springs, Tennessee: 37031. Together they are home to 3,926 residents in 1,707 households. That is more than the 678 people counted inside Castalian Springs Census-designated place, because these ZIP codes reach past its boundary.
Castalian Springs Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 678 |
| Households | 293 |
| Median household income | $57,917 |
| Median home value | $283,100 |
| Median age | 44.1 |
| Median rent | not published |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 3,926 |
| Households (sum of ZIP codes) | 1,707 |
| Median household income, range across ZIP codes | $98,114 (37031) to $98,114 (37031) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $98,114 |
| Homeowners | 94.1% |
| Households with kids under 18 | 19.9% |
| Moved in the past year | 4.7% |
| Carrier routes in EDDM2GO's route library | 3 routes, 1,858 homes (1 of 1 ZIP codes) |
Every ZIP code in Castalian Springs
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 37031 | Castalian Springs | 3,926 | 1,707 | $98,114 | $352,600 | 94.1% | 19.9% | 4.7% | 3 | 1,879 | 15% of its land; mailing city |
A ZIP code is listed for Castalian Springs when at least 10% of its land lies inside the Castalian Springs Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Castalian Springs. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Castalian Springs.
Counties
- Sumner County — 9 ZIP codes
Nearby cities sharing these ZIP codes
- Hartsville/Trousdale County — 4 ZIP codes
Price a mailing to Castalian Springs ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Castalian Springs, TN?
- 37031. A ZIP code is listed for Castalian Springs when at least 10% of its land lies inside the Castalian Springs Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Castalian Springs.
- What is the population of Castalian Springs, TN?
- The Census Bureau counts 678 residents inside Castalian Springs Census-designated place (ACS 2020–2024). The 1 ZIP code that serve Castalian Springs hold 3,926 residents in all.
- What is the median household income in Castalian Springs, TN?
- $57,917 inside Castalian Springs Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $98,114 to $98,114.
- How many carrier routes and mailboxes are in Castalian Springs, TN?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 3 carrier routes reaching 1,858 residential and 23 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.