Zip Code: 37031 (Castalian Springs, TN) - Market Hotness: Trend of Supply Score (Realtor)
Updated on March 13, 2026.
According to data from Realtor.com, the market hotness: supply score for the 37031 Zip Code in February 2026 was 57.2.
You can see similar for other Tennessee Zip Codes.
The chart and table below shows the trend of the market hotness: supply score for the 37031 zip code.
Note: Supply Score is an index representing the metro's median days on market ranking compared to other metros.
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Related Topics: Zip Code: 37031 - Realtor House Inventory Topic List
Data Source: Realtor.
Zip Code: 37031 - Market Hotness: Trend of Supply Score
Zip Code: 37031 - Market Hotness: Trend of Supply Score
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| Month | Supply Score |
|---|---|
| October 2018 | 85.02388134741075 |
| November 2018 | 83.79626700411262 |
| December 2018 | 88.40272423541506 |
| January 2019 | 79.90774299835255 |
| February 2019 | 59.87226152049997 |
| March 2019 | 34.98441288534811 |
| April 2019 | 52.48902907295666 |
| May 2019 | 71.54421348700006 |
| June 2019 | 92.28803872789618 |
| July 2019 | 75.32271803944695 |
| August 2019 | 61.05256310174343 |
| September 2019 | 60.87152710629794 |
| October 2019 | 74.66434288665117 |
| April 2020 | 82.1804957696304 |
| May 2020 | 53.82203642878471 |
| August 2020 | 93.02547770700636 |
| September 2022 | 98.17890565719584 |
| October 2022 | 97.46128458999746 |
| July 2024 | 45.42908911217262 |
| August 2024 | 33.946501727046346 |
| September 2024 | 32.93511360974467 |
| October 2024 | 18.51709565885517 |
| November 2024 | 49.58608002452859 |
| December 2024 | 36.556985435770976 |
| February 2025 | 74.99355282386315 |
| April 2025 | 91.13147276395426 |
| May 2025 | 67.17986314760508 |
| June 2025 | 52.07897793263647 |
| July 2025 | 80.75015033072759 |
| August 2025 | 49.32712215320911 |
| September 2025 | 80.47186932849365 |
| October 2025 | 70.4014466546112 |
| November 2025 | 55.98405219282348 |
| December 2025 | 60.20265805125192 |
| January 2026 | 64.90738587925289 |
| February 2026 | 60.182567250989585 |
| March 2026 | 57.20036145568061 |
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