Cobb Island vs Rock Point

A side-by-side comparison of Cobb Island and Rock Point: population, income, housing, and more.

Cobb Island and Rock Point 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 163 in Rock Point). Since 2019, Rock Point's population has grown faster (+91.8% vs +37.4%).

Population, income & housing

	Cobb Island	Rock Point
Population	1,162	163
Median age	45.7 yrs	58.4 yrs
Median household income	$161,141	—
Median home value	$246,100	—
Housing units	545	85
Homeownership rate	85.6%	17.2%
Bachelor's degree or higher	7.4%	38.5%
Unemployment rate	4.6%	0.0%

Trends (ACS 5-year, 2019–2023)

	Cobb Island	Rock Point
Population	846 → 1,162 (+37.4%)	85 → 163 (+91.8%)
Median household income	$97,344 → $161,141 (+65.5%)	$83,125 → $89,333 (+7.5%)
Median home value	$336,000 → $246,100 (-26.8%)	—
Median gross rent	$2,000 → $1,859 (-7.0%)	—

Cobb Island

Population

8461,162

Median household income

$97,344$161,141

Median home value

$336,000$246,100

Median gross rent

$2,000$1,859

Rock Point

Population

85163

Median household income

$83,125$89,333

Age & race/ethnicity

Age distribution (share)

	Cobb Island	Rock Point
Under 5	3.1%	0.0%
5 to 17	13.4%	25.2%
18 to 24	6.5%	0.0%
25 to 34	7.8%	8.0%
35 to 44	17.6%	0.0%
45 to 54	22.0%	6.7%
55 to 64	29.5%	46.0%
65 to 74	0.0%	14.1%
75 and over	0.0%	0.0%

Race & ethnicity (share)

	Cobb Island	Rock Point
White (non-Hispanic)	96.0%	100.0%
Black or African American	0.0%	0.0%
American Indian & Alaska Native	0.0%	0.0%
Asian	1.7%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	2.2%	0.0%
Hispanic or Latino	0.0%	0.0%

Educational attainment (age 25+)

Share of adults 25+

	Cobb Island	Rock Point
No high school diploma	4.6%	28.7%
High school graduate	61.5%	32.8%
Some college or associate's	26.6%	0.0%
Bachelor's degree	1.6%	30.3%
Graduate or professional degree	5.8%	8.2%

Commute to work

How workers get to work (share)

	Cobb Island	Rock Point
Drove alone	69.0%	100.0%
Carpooled	15.7%	0.0%
Public transit	5.3%	0.0%
Walked	0.0%	0.0%
Bicycle	0.0%	0.0%
Worked from home	7.2%	0.0%
Other means	2.9%	0.0%

Housing

Units in structure (share)

	Cobb Island	Rock Point
1-unit, detached	100.0%	100.0%
1-unit, attached	0.0%	0.0%
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	Rock Point
Poverty rate	1.8%	46.0%
Average household size	2.83	2.81
Mean commute (minutes)	49	—
Median year structure built	1938	1947