O Fallon, MO Section 8 Rent Limits 2026–27 by ZIP Code
For 2026–27, HUD's 2-bedroom figure in O Fallon ranges from $1,540 (ZIP 63366) to $1,760 (ZIP 63368), with a median of $1,650 across 2 ZIP codes. HUD sets these per ZIP code (Small Area Fair Market Rents), so they differ across the city.
These are HUD's figures, effective 2026-10-01. A housing authority sets its own payment standard, normally between 90% and 110% of them (higher with HUD approval or as a disability accommodation). The voucher then pays the lower of that standard or the gross rent, minus your total tenant payment (generally 30% of adjusted monthly income).
| ZIP | Studio | 1 BR | 2 BR | 3 BR | 4 BR |
|---|---|---|---|---|---|
| 63366 | $1,210 | $1,260 | $1,540 | $1,980 | $2,280 |
| 63368 | $1,390 | $1,440 | $1,760 | $2,260 | $2,610 |
Income limits: Saint Charles County
Voucher amounts nationwide by unit size: Studio · 1 Bedroom · 2 Bedroom · 3 Bedroom · 4 Bedroom