Best ZIP Codes for Cash Flow in Idaho Falls, ID (2026)
Ranked by cap rate — the annual return on the purchase price before financing. ZIPs that also clear the 1% rule are marked.
| # | ZIP | City | Home value | Rent | Cap rate | 5-yr growth |
|---|---|---|---|---|---|---|
| 1 | 83404 | Idaho Falls, ID | $420,474 | $1,738 | 3.22% | 2.4% |
| 2 | 83406 | Ammon, ID | $434,071 | $1,627 | 2.92% | 2.3% |
| 3 | 83401 | Idaho Falls, ID | $402,020 | $1,427 | 2.77% | 2.3% |
| 4 | 83402 | Idaho Falls, ID | $369,657 | $1,275 | 2.69% | 2.8% |
| 5 | 83427 | Iona, ID | $443,617 | $1,530 | 2.69% | 2.2% |
| 6 | 83454 | Idaho Falls, ID | $356,684 | $1,197 | 2.62% | 2.0% |
| 7 | 83444 | Roberts, ID | $420,401 | $1,368 | 2.54% | 7.1% |
| 8 | 83443 | Ririe, ID | $351,072 | $1,107 | 2.46% | -0.1% |
| 9 | 83428 | Victor, ID | $400,240 | $1,215 | 2.37% | -0.3% |
| 10 | 83434 | Menan, ID | $429,941 | $1,215 | 2.20% | 4.9% |
| 11 | 83431 | Lewisville, ID | $401,948 | $1,062 | 2.06% | 5.3% |
| 12 | 83442 | Rigby, ID | $494,915 | $1,292 | 2.04% | 4.0% |
| 13 | 83449 | Swan Valley, ID | $546,496 | $1,134 | 1.62% | 2.8% |
Ranked from Repit’s own ZIP-level data — Zillow home values and rents, HUD fair-market rents where Zillow has no coverage, and U.S. Census vacancy. Cap rate is gross: annual rent over purchase price, before financing and expenses. Every ZIP above links to its full free page. How we calculate this →
Same metro, different strategy
Appreciation in Idaho Falls, ID · Affordable in Idaho Falls, ID
Or see the full Idaho Falls, ID metro profile.