Washington-Arlington-Alexandria, DC-VA-MD-WV · Maryland

Calvert County

ZIP 20657

93,791 residents94 permits TTM$132,059 median HHI12 ZIP codesUpdated April 16, 2026
Investor first look

Median home value

$440,200

ACS 5-Year

Cap rate proxy

6.1%

FMR × 0.65 ÷ Home Value

Rent-to-income

15.5%

HUD FMR ÷ ACS HHI

Net migration

+1.79%

IRS SOI

Permits (TTM)

94

Census BPS

Climate risk

28.9

FEMA NRI (0–100)

ZIP 20657

Median home value

Gross yield

Buy Box score

0.5

Section 8 gap

Affordability

P/I: 2.8R/I: 17.4%

Section 8 detail

SAFMR: Rent: Gap:
ZIP code breakdown12 ZIP codes
ZIPMedian home valueRent (FMR 2BR)Gross yieldBuy Box scoreSection 8 gap
206570.5
207320.4
206850.4
206880.3
206760.3
206890.2
206390.2
207360.2
206780.2
207540.2
20615
20629

Sort by any column. Click a ZIP for detail.

Demographics

Owner-occupied

87.2%

Census ACS

Vacancy rate

6.9%

Census ACS

Bachelor's degree +

35.3%

Census ACS

Rent burdened

46.2%

Census ACS (>30% income)

Median age

40.5

Census ACS

Data sources
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