Maryland
Caroline County
ZIP 21655
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 21655
Median home value
$328,058
Gross yield
4.8%
Cap rate
3.9%
Rent gap
18.6%
Affordability
P/I: 4.9R/I: —
Section 8 detail
SAFMR: $1,314Rent: $1,070Gap: 22.8%
ZIP code breakdown8 ZIP codes
| ZIP | Median home value | Rent (FMR 2BR) | Gross yield | Cap rate | Rent gap |
|---|---|---|---|---|---|
| 21629 | $354,869 | $1,314 | 4.4% | 3.6% | 18.6% |
| 21632 | $238,063 | $1,314 | 6.6% | 5.4% | 18.6% |
| 21636 | $323,159 | $1,314 | 4.9% | 4.0% | 18.6% |
| 21639 | $304,245 | $1,314 | 5.2% | 4.2% | 18.6% |
| 21640 | $387,644 | $1,314 | 4.1% | 3.3% | 18.6% |
Ranked by composite score
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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