37031 ZIP Code – Castalian Springs, Tennessee
37031 is a small ZIP code in Castalian Springs, Tennessee, part of Sumner County with a population of approximately 4,089 residents. At $80,417, the median household income here runs above the Tennessee average and near the U.S. average. The median home value of $277,200 is near the national average, with 94.1% owner-occupied housing (increasing). , with median rent coming in at $992 — near the national figure. Housing consists of 89% single-family (increasing).
At 0.7%, the unemployment rate is well below the national figure. An estimated 6.2% of the population falls below the poverty line, well below the national figure. An estimated 21.4% of adults hold a bachelor's degree or higher, below the national average. The population has a median age of 49.8, above the national median. Nearby ZIP codes include 37087, 37066, 37022.
ZIP Code 37031 Data
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ZIP 37031 vs. Tennessee vs. U.S.
| Metric | ZIP 37031 | TN Avg. | U.S. Avg. |
|---|---|---|---|
| Population | 4,089 | 11k | 10k |
| Median Household Income | $80k | $60k | $73k |
| Median Home Value | $277k | $201k | $258k |
| Median Rent | $992 | $922 | $1,088 |
| Median Age | 49.8 | 42.7 | 43.2 |
| Unemployment Rate | 0.7% | 5.2% | 5.0% |
| Poverty Rate | 6.2% | 15.0% | 13.3% |
| Bachelor's Degree or Higher | 21.4% | 22.7% | 26.9% |
Demographics Charts
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Education Level (adults 25+)
Nearby ZIP Codes
- 37087 – Lebanon
- 37066 – Gallatin
- 37022 – Bethpage
- 37074 – Hartsville
- 37151 – Riddleton
- 37186 – Westmoreland
- 37057 – Dixon Springs
- 37122 – Mount Juliet
- 37075 – Hendersonville
- 37090 – Lebanon
Nearby ZIP Code Comparison
| ZIP Code | City | Population | Median Income |
|---|---|---|---|
| 37087 | LEBANON | 53,068 | $74,665 |
| 37066 | GALLATIN | 59,554 | $73,381 |
| 37022 | BETHPAGE | 6,163 | $66,648 |
| 37074 | HARTSVILLE | 11,006 | $61,776 |
| 37151 | RIDDLETON | 443 | $92,674 |