Austin-Round Rock-Georgetown, TX · Texas
Hays County
ZIP 78737
256,429 residents4,663 permits TTM$85,827 median HHI7 ZIP codesUpdated April 16, 2026
Investor first look
Median home value
$371,400
ACS 5-Year
Cap rate proxy
4.6%
FMR × 0.65 ÷ Home Value
Rent-to-income
19.8%
HUD FMR ÷ ACS HHI
Net migration
+4.21%
IRS SOI
Permits (TTM)
4,663
Census BPS
Climate risk
90.6
FEMA NRI (0–100)
ZIP 78737
Median home value
—
Gross yield
—
Cap rate
2.9%
Rent gap
—
Affordability
P/I: 9.0R/I: 26.2%
Section 8 detail
SAFMR: —Rent: —Gap: —
ZIP code breakdown7 ZIP codes
| ZIP | Median home value | Rent (FMR 2BR) | Gross yield | Cap rate | Rent gap |
|---|---|---|---|---|---|
| 78640 | — | — | — | 6.4% | — |
| 78666 | $314,156 | $1,480 | 5.7% | 5.2% | 8.7% |
| 78610 | — | — | — | 5.6% | — |
| 78620 | — | — | — | 4.0% | — |
| 78676 | $547,544 | $1,560 | 3.4% | 4.3% | -27.2% |
Ranked by composite score
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Demographics
Owner-occupied
64.1%
Census ACS
Vacancy rate
5.3%
Census ACS
Bachelor's degree +
41.9%
Census ACS
Rent burdened
56.7%
Census ACS (>30% income)
Median age
33.9
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