Texas
Gonzales County
ZIP 78140
19,764 residents11 permits TTM$59,355 median HHI5 ZIP codesUpdated April 16, 2026
Investor first look
Median home value
$158,900
ACS 5-Year
Cap rate proxy
6.3%
FMR × 0.65 ÷ Home Value
Rent-to-income
16.9%
HUD FMR ÷ ACS HHI
Net migration
+1.00%
IRS SOI
Permits (TTM)
11
Census BPS
Climate risk
85.7
FEMA NRI (0–100)
ZIP 78140
Median home value
$158,900
Gross yield
7.5%
Buy Box score
0.3
Section 8 gap
18.3%
Affordability
P/I: 3.2R/I: —
Section 8 detail
SAFMR: $990Rent: $837Gap: 18.3%
ZIP code breakdown5 ZIP codes
| ZIP | Median home value | Rent (FMR 2BR) | Gross yield | Buy Box score ↓ | Section 8 gap |
|---|---|---|---|---|---|
| 78140 | $158,900 | $990 | 7.5% | 0.3 | 18.3% |
| 78629 | — | — | — | 0.3 | — |
| 78959 | — | — | — | 0.1 | — |
| 78159 | — | — | — | — | — |
| 78632 | — | — | — | — | — |
Sort by any column. Click a ZIP for detail.
Demographics
Owner-occupied
69.9%
Census ACS
Vacancy rate
14.7%
Census ACS
Bachelor's degree +
12.6%
Census ACS
Rent burdened
33.6%
Census ACS (>30% income)
Median age
38.8
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