Cobb Island vs Potomac Heights
A side-by-side comparison of Cobb Island and Potomac Heights: population, income, housing, and more.
Cobb Island and Potomac Heights are places in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
Cobb Island has the higher population (1,162 vs 1,102 in Potomac Heights). Cobb Island has the higher median household income ($161,141 vs $68,831 in Potomac Heights). Cobb Island has the higher median home value ($246,100 vs $87,900 in Potomac Heights).
Population, income & housing
| Cobb Island | Potomac Heights | |
|---|---|---|
| Population | 1,162 | 1,102 |
| Median age | 45.7 yrs | 51.7 yrs |
| Median household income | $161,141 | $68,831 |
| Median home value | $246,100 | $87,900 |
| Housing units | 545 | 635 |
| Homeownership rate | 85.6% | 76.1% |
| Bachelor's degree or higher | 7.4% | 25.9% |
| Unemployment rate | 4.6% | 3.2% |
Trends (ACS 5-year, 2019–2023)
| Cobb Island | Potomac Heights | |
|---|---|---|
| Population | 846 → 1,162 (+37.4%) | 1,289 → 1,102 (-14.5%) |
| Median household income | $97,344 → $161,141 (+65.5%) | $62,639 → $68,831 (+9.9%) |
| Median home value | $336,000 → $246,100 (-26.8%) | $66,800 → $87,900 (+31.6%) |
| Median gross rent | $2,000 → $1,859 (-7.0%) | $1,097 → $1,078 (-1.7%) |
Cobb Island
8461,162
$97,344$161,141
$336,000$246,100
$2,000$1,859
Potomac Heights
1,2891,102
$62,639$68,831
$66,800$87,900
$1,097$1,078
Age & race/ethnicity
Age distribution (share)
| Cobb Island | Potomac Heights | |
|---|---|---|
| Under 5 | 3.1% | 0.0% |
| 5 to 17 | 13.4% | 16.1% |
| 18 to 24 | 6.5% | 1.8% |
| 25 to 34 | 7.8% | 6.2% |
| 35 to 44 | 17.6% | 14.6% |
| 45 to 54 | 22.0% | 22.7% |
| 55 to 64 | 29.5% | 9.8% |
| 65 to 74 | 0.0% | 9.6% |
| 75 and over | 0.0% | 19.2% |
Race & ethnicity (share)
| Cobb Island | Potomac Heights | |
|---|---|---|
| White (non-Hispanic) | 96.0% | 78.9% |
| Black or African American | 0.0% | 8.0% |
| American Indian & Alaska Native | 0.0% | 0.0% |
| Asian | 1.7% | 2.1% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.0% | 0.7% |
| Two or more races | 2.2% | 2.1% |
| Hispanic or Latino | 0.0% | 8.3% |
Educational attainment (age 25+)
Share of adults 25+
| Cobb Island | Potomac Heights | |
|---|---|---|
| No high school diploma | 4.6% | 10.3% |
| High school graduate | 61.5% | 27.7% |
| Some college or associate's | 26.6% | 36.1% |
| Bachelor's degree | 1.6% | 18.7% |
| Graduate or professional degree | 5.8% | 7.2% |
Commute to work
How workers get to work (share)
| Cobb Island | Potomac Heights | |
|---|---|---|
| Drove alone | 69.0% | 82.5% |
| Carpooled | 15.7% | 5.1% |
| Public transit | 5.3% | 0.0% |
| Walked | 0.0% | 7.3% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 7.2% | 5.1% |
| Other means | 2.9% | 0.0% |
Housing
Units in structure (share)
| Cobb Island | Potomac Heights | |
|---|---|---|
| 1-unit, detached | 100.0% | 53.4% |
| 1-unit, attached | 0.0% | 46.6% |
| 2 to 4 units | 0.0% | 0.0% |
| 5 to 19 units | 0.0% | 0.0% |
| 20 or more units | 0.0% | 0.0% |
| Mobile home & other | 0.0% | 0.0% |
Poverty & households
| Cobb Island | Potomac Heights | |
|---|---|---|
| Poverty rate | 1.8% | 4.1% |
| Average household size | 2.83 | 1.93 |
| Mean commute (minutes) | 49 | 32 |
| Median year structure built | 1938 | 1946 |
Full profiles
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