MD area data
Cobb island, MD
Cobb island, MD.
Population: 849 (Census ACS)
Home values & appreciation
- Median home value
- $374,207
- 1-year appreciation
- +2.3%
- 3-year appreciation
- +7.0%
- 5-year appreciation
- +19.4%
- 10-year appreciation
- +56.3%
- All-time peak (2026-04)
- $374,681
- House Price Index
- 367.5 (+0.7% YoY)
Market activity
- Median sale price
- $292,500
- Median list price
- $842,500
- Median days on market
- 84.5 days
- Sale-to-list ratio
- 90.2%
- Active listings
- 5
- 1-year forecast
- -0.1%
Rents
- 2-bedroom fair-market rent (HUD reference)
- $2,130/mo
- 3BR fair-market rent
- $2,680/mo
Affordability
- Cost of living index (Above Average)
- 108.0 (100 = US avg)
- Electricity rate (state-level)
- 19.5¢/kWh
- Natural gas rate (state-level)
- $16.10/MCF
- 30-year mortgage rate (national)
- 6.66%
- 15-year mortgage rate (national)
- 6.00%
Natural hazards & flood risk
- Overall hazard risk
- Relatively Low
- Top hazards
- drought, heatWave, lightning, strongWind, winterWeather
- FEMA flood zone
- A04
- Flood risk level
- High
Climate (30-year normals)
- Average annual temperature
- 61.0°F
- Average high
- 68.0°F
- Average low
- 53.0°F
- Annual precipitation
- 40.8 in
- Annual snowfall
- 1.0 in
Air quality
- Air quality rating
- Good
- Median AQI (annual)
- 42
- Days with Good air quality
- 199
Walkability & transit
- Walkability index
- 6.7 / 20
- Transit service frequency
- -99,999
Amenities
- National parks within ~60 mi
- 53
- Nearest national park
- George Washington Birthplace National Monument (6 mi)
- Nearest airport
- Squier Landing Airport (2 mi)
- Nearest major airport
- Patuxent River Naval Air Station (Trapnell Field) (NHK) (24 mi)
- Hospitals nearby (~15 mi)
- 1
- Avg hospital rating
- 4.0 / 5
- Solar radiation rating
- Fair (4.2 kWh/m²/day)
Migration
- Net migration
- +324 tax filers
Housing stock
- Median year housing built
- 1,938
- Median annual property tax
- $3,454
- Households with broadband internet
- 100.0%
Employment & development
- Total county employment
- 29,859
- Average weekly wage
- $970
- Top industries (by employment)
- Accommodation & Food, Health Care, Construction
- Annual residential building permits (county)
- 1,026
Area data compiled from public government, academic, and industry research feeds. Data sources →
Data last updated
Most recent source refresh: Aug 2026. See all data sources →