Diamond Beach vs Marshallville

A side-by-side comparison of Diamond Beach and Marshallville: population, income, housing, and more.

Diamond Beach and Marshallville are places in New Jersey. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Diamond Beach has the higher population (288 vs 194 in Marshallville). Marshallville has the higher median household income ($170,197 vs $114,914 in Diamond Beach). Diamond Beach has the higher median home value ($603,800 vs $339,700 in Marshallville).

Population, income & housing

	Diamond Beach	Marshallville
Population	288	194
Median age	61.8 yrs	33.4 yrs
Median household income	$114,914	$170,197
Median home value	$603,800	$339,700
Housing units	1,001	61
Homeownership rate	100.0%	100.0%
Bachelor's degree or higher	53.9%	45.6%
Unemployment rate	11.1%	0.0%

Trends (ACS 5-year, 2019–2023)

	Diamond Beach	Marshallville
Population	189 → 288 (+52.4%)	224 → 194 (-13.4%)
Median household income	$65,333 → $114,914 (+75.9%)	$95,179 → $170,197 (+78.8%)
Median home value	$423,800 → $603,800 (+42.5%)	$270,800 → $339,700 (+25.4%)

Diamond Beach

Population

189288

Median household income

$65,333$114,914

Median home value

$423,800$603,800

Marshallville

Population

224194

Median household income

$95,179$170,197

Median home value

$270,800$339,700

Age & race/ethnicity

Age distribution (share)

	Diamond Beach	Marshallville
Under 5	2.8%	8.2%
5 to 17	0.0%	14.9%
18 to 24	0.0%	23.7%
25 to 34	0.0%	8.2%
35 to 44	7.6%	9.8%
45 to 54	0.0%	6.7%
55 to 64	47.6%	28.4%
65 to 74	30.2%	0.0%
75 and over	11.8%	0.0%

Race & ethnicity (share)

	Diamond Beach	Marshallville
White (non-Hispanic)	100.0%	100.0%
Black or African American	0.0%	0.0%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.0%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	0.0%	0.0%
Hispanic or Latino	0.0%	0.0%

Educational attainment (age 25+)

Share of adults 25+

	Diamond Beach	Marshallville
No high school diploma	2.9%	0.0%
High school graduate	25.4%	54.4%
Some college or associate's	17.9%	0.0%
Bachelor's degree	23.9%	33.0%
Graduate or professional degree	30.0%	12.6%

Commute to work

How workers get to work (share)

	Diamond Beach	Marshallville
Drove alone	84.7%	100.0%
Carpooled	0.0%	0.0%
Public transit	0.0%	0.0%
Walked	0.0%	0.0%
Bicycle	0.0%	0.0%
Worked from home	15.3%	0.0%
Other means	0.0%	0.0%

Housing

Units in structure (share)

	Diamond Beach	Marshallville
1-unit, detached	8.7%	100.0%
1-unit, attached	59.2%	0.0%
2 to 4 units	1.0%	0.0%
5 to 19 units	9.7%	0.0%
20 or more units	21.4%	0.0%
Mobile home & other	0.0%	0.0%

Poverty & households

	Diamond Beach	Marshallville
Poverty rate	0.0%	0.0%
Average household size	1.95	3.18
Median year structure built	1993	1978