Baltimore-Columbia-Towson, MD · Maryland
Baltimore County
ZIP 21057
849,586 residents1,635 permits TTM$90,904 median HHI44 ZIP codesUpdated April 16, 2026
Investor first look
Median home value
$330,000
ACS 5-Year
Cap rate proxy
5.7%
FMR × 0.65 ÷ Home Value
Rent-to-income
20.7%
HUD FMR ÷ ACS HHI
Net migration
+2.22%
IRS SOI
Permits (TTM)
1,635
Census BPS
Climate risk
94.0
FEMA NRI (0–100)
ZIP 21057
Median home value
—
Gross yield
—
Cap rate
3.0%
Rent gap
—
Affordability
P/I: 6.9R/I: —
Section 8 detail
SAFMR: —Rent: —Gap: —
ZIP code breakdown44 ZIP codes
| ZIP | Median home value | Rent (FMR 2BR) | Gross yield | Cap rate | Rent gap |
|---|---|---|---|---|---|
| 21234 | — | — | — | 6.8% | — |
| 21207 | — | — | — | 6.1% | — |
| 21244 | — | — | — | 5.9% | — |
| 21236 | — | — | — | 6.4% | — |
| 21023 | — | — | — | 5.7% | — |
Ranked by composite score
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Demographics
Owner-occupied
66.3%
Census ACS
Vacancy rate
5.8%
Census ACS
Bachelor's degree +
41.4%
Census ACS
Rent burdened
49.5%
Census ACS (>30% income)
Median age
39.5
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