ZIP codes
2
Cobb Island, MD Demographics & ZIP Codes
Cobb Island, Maryland demographics and median household income by ZIP code (in Charles County) — 2 ZIP codes — population 1,135 — median income $161,000 — avg. home value $244,400. Compare income, housing, and population across ZIP codes on US5.
Population
1,135
Median household income (avg.)
$161,000
214% of U.S. median
Average home value
$244,400
70% of U.S. median
Median age (avg.)
45.2
Cobb Island demographics
Cobb Island, Maryland covers 2 ZIP codes primarily in Charles County, with a combined ZIP-area population of about 1,135.
Across ZIP codes with age data, the average median age is about 45.2 years.
Median household income in Cobb Island
The average median household income across ZIP codes in Cobb Island, Maryland is about $161,000 — about 44% above the MD ZIP average ($111,660), and about 114% above the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $161,000 in 20625.
Housing in Cobb Island
For housing in Cobb Island, Maryland, the average median home value is about $244,400.
The most populous ZIP in this set is 20625 (about 1,135 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Cobb Island
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 20625 | Cobb Island | Charles County | MD | 1,135 | $161,000 | $244,400 |
| 20661 | Cobb Island | Charles County | MD | — | — | — |
Frequently asked questions
What are the demographics of Cobb Island?
Cobb Island, Maryland has a combined ZIP-area population of about 1,135 across 2 ZIP codes (primarily Charles County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Cobb Island?
The average median household income across ZIP codes in Cobb Island, Maryland is about $161,000, about 44% above the state ZIP average ($111,660), and about 114% above the U.S. median ($75,149). Average median home value is about $244,400.
How many ZIP codes are in Cobb Island?
Cobb Island, Maryland includes 2 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Cobb Island?
This page lists ZIP codes in Cobb Island, Maryland with population, median household income, and home value. Select a ZIP for a full demographics profile.