Maryland
Caroline County
ZIP 21639
33,406 residents50 permits TTM$66,368 median HHI8 ZIP codesUpdated April 16, 2026
Investor first look
Median home value
$272,400
ACS 5-Year
Cap rate proxy
4.7%
FMR × 0.65 ÷ Home Value
Rent-to-income
19.3%
HUD FMR ÷ ACS HHI
Net migration
+1.88%
IRS SOI
Permits (TTM)
50
Census BPS
Climate risk
45.7
FEMA NRI (0–100)
ZIP 21639
Median home value
$272,400
Gross yield
5.8%
Buy Box score
0.4
Section 8 gap
—
Affordability
P/I: 4.6R/I: —
Section 8 detail
SAFMR: —Rent: —Gap: —
ZIP code breakdown8 ZIP codes
| ZIP | Median home value | Rent (FMR 2BR) | Gross yield | Buy Box score ↓ | Section 8 gap |
|---|---|---|---|---|---|
| 21632 | $272,400 | $1,314 | 5.8% | 0.7 | — |
| 21639 | $272,400 | $1,314 | 5.8% | 0.4 | — |
| 21636 | $272,400 | $1,314 | 5.8% | 0.4 | — |
| 21655 | $272,400 | $1,314 | 5.8% | 0.3 | — |
| 21629 | $272,400 | $1,314 | 5.8% | 0.3 | — |
| 21660 | $272,400 | $1,314 | 5.8% | 0.3 | — |
| 21640 | $272,400 | $1,314 | 5.8% | 0.2 | — |
| 21641 | $272,400 | $1,314 | 5.8% | — | — |
Sort by any column. Click a ZIP for detail.
Demographics
Owner-occupied
71.9%
Census ACS
Vacancy rate
9.9%
Census ACS
Bachelor's degree +
17.6%
Census ACS
Rent burdened
51.3%
Census ACS (>30% income)
Median age
39.8
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