Atlanta-Sandy Springs-Alpharetta, GA · Georgia
Lamar County
ZIP 30257
19,098 residents156 permits TTM$68,457 median HHI2 ZIP codesUpdated April 16, 2026
Investor first look
Median home value
$201,400
ACS 5-Year
Cap rate proxy
10.8%
FMR × 0.65 ÷ Home Value
Rent-to-income
16.0%
HUD FMR ÷ ACS HHI
Net migration
+2.78%
IRS SOI
Permits (TTM)
156
Census BPS
Climate risk
7.8
FEMA NRI (0–100)
ZIP 30257
Median home value
$201,400
Gross yield
6.0%
Buy Box score
0.4
Section 8 gap
9.5%
Affordability
P/I: 4.4R/I: —
Section 8 detail
SAFMR: $1,000Rent: $913Gap: 9.5%
ZIP code breakdown2 ZIP codes
| ZIP | Median home value | Rent (FMR 2BR) | Gross yield | Buy Box score ↓ | Section 8 gap |
|---|---|---|---|---|---|
| 30204 | — | — | — | 0.7 | — |
| 30257 | $201,400 | $1,000 | 6.0% | 0.4 | 9.5% |
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Demographics
Owner-occupied
76.2%
Census ACS
Vacancy rate
9.5%
Census ACS
Bachelor's degree +
19.5%
Census ACS
Rent burdened
29.2%
Census ACS (>30% income)
Median age
38.7
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