Zip Code: 83428 (Irwin, ID) - 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 83428 Zip Code in December 2025 was 1.566.
You can see similar for other Idaho Zip Codes.
The chart and table below shows the trend of the market hotness: supply score for the 83428 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: 83428 - Realtor House Inventory Topic List
Data Source: Realtor.
Zip Code: 83428 - Market Hotness: Trend of Supply Score
Zip Code: 83428 - Market Hotness: Trend of Supply Score
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| Month | Supply Score |
|---|---|
| September 2017 | 5.310840362386754 |
| October 2017 | 2.1334826149157182 |
| November 2017 | 0.5618686868686869 |
| August 2022 | 49.95300350337521 |
| September 2024 | 4.2554852814866875 |
| October 2024 | 12.746830580099886 |
| November 2024 | 2.422198374980837 |
| December 2024 | 1.4178931956538492 |
| June 2025 | 89.84126984126985 |
| July 2025 | 66.54389657245942 |
| August 2025 | 33.14108251996451 |
| September 2025 | 31.970961887477312 |
| October 2025 | 14.972875226039783 |
| November 2025 | 8.039144617615078 |
| December 2025 | 10.661575739775314 |
| January 2026 | 1.565527396729443 |
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