Round Rock, TX Section 8 Rent Limits 2026–27 by ZIP Code
For 2026–27, HUD's 2-bedroom figure in Round Rock ranges from $1,760 (ZIP 78664) to $2,110 (ZIP 78665), with a median of $1,890 across 5 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 |
|---|---|---|---|---|---|
| 78664 | $1,400 | $1,480 | $1,760 | $2,220 | $2,600 |
| 78665 | $1,680 | $1,780 | $2,110 | $2,660 | $3,120 |
| 78680 | $1,510 | $1,590 | $1,890 | $2,380 | $2,800 |
| 78681 | $1,640 | $1,730 | $2,060 | $2,600 | $3,050 |
| 78683 | $1,510 | $1,590 | $1,890 | $2,380 | $2,800 |
Income limits: Williamson County
Voucher amounts nationwide by unit size: Studio · 1 Bedroom · 2 Bedroom · 3 Bedroom · 4 Bedroom