Houston-The Woodlands-Sugar Land, TX · Texas
Austin County
ZIP 78931
30,712 residents341 permits TTM$75,994 median HHI7 ZIP codesUpdated April 16, 2026
Investor first look
Median home value
$270,900
ACS 5-Year
Cap rate proxy
7.0%
FMR × 0.65 ÷ Home Value
Rent-to-income
17.5%
HUD FMR ÷ ACS HHI
Net migration
+2.23%
IRS SOI
Permits (TTM)
341
Census BPS
Climate risk
53.1
FEMA NRI (0–100)
ZIP 78931
Median home value
—
Gross yield
—
Buy Box score
—
Section 8 gap
41.6%
Affordability
P/I: 3.6R/I: —
Section 8 detail
SAFMR: $1,573Rent: $1,111Gap: 41.6%
ZIP code breakdown7 ZIP codes
| ZIP | Median home value | Rent (FMR 2BR) | Gross yield | Cap rate ↓ | Rent gap |
|---|---|---|---|---|---|
| 77473 | — | — | — | 4.9% | 29.4% |
| 78931 | — | — | — | 4.9% | 29.4% |
| 78944 | — | — | — | 4.9% | 29.4% |
| 77485 | $325,322 | $970 | 3.6% | 4.1% | -14.5% |
| 77474 | — | — | — | 3.6% | 29.4% |
| 77418 | — | — | — | 3.2% | 29.4% |
| 78950 | — | — | — | 2.2% | 29.4% |
Sort by any column. Click a ZIP for detail. Rent gap: green = HUD FMR above market rent.
Demographics
Owner-occupied
77.5%
Census ACS
Vacancy rate
13.6%
Census ACS
Bachelor's degree +
23.4%
Census ACS
Rent burdened
43.8%
Census ACS (>30% income)
Median age
41.6
Census ACS
U.S. Census Bureau — American Community Survey 5-Year Estimates
U.S. Census Bureau — Building Permits Survey
U.S. Department of Housing and Urban Development — Fair Market Rents / Small Area Fair Market Rents (SAFMR)
Internal Revenue Service — Statistics of Income Migration Data
FEMA — National Risk Index
Last updated: April 16, 2026