Diamond Beach vs South Seaville

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

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

South Seaville has the higher population (550 vs 288 in Diamond Beach). South Seaville has the higher median household income ($123,409 vs $114,914 in Diamond Beach). Diamond Beach has the higher median home value ($603,800 vs $309,300 in South Seaville).

Population, income & housing

	Diamond Beach	South Seaville
Population	288	550
Median age	61.8 yrs	53.3 yrs
Median household income	$114,914	$123,409
Median home value	$603,800	$309,300
Housing units	1,001	349
Homeownership rate	100.0%	75.6%
Bachelor's degree or higher	53.9%	42.9%
Unemployment rate	11.1%	15.0%

Trends (ACS 5-year, 2019–2023)

	Diamond Beach	South Seaville
Population	189 → 288 (+52.4%)	465 → 550 (+18.3%)
Median household income	$65,333 → $114,914 (+75.9%)	$67,750 → $123,409 (+82.2%)
Median home value	$423,800 → $603,800 (+42.5%)	$186,600 → $309,300 (+65.8%)

Diamond Beach

Population

189288

Median household income

$65,333$114,914

Median home value

$423,800$603,800

South Seaville

Population

465550

Median household income

$67,750$123,409

Median home value

$186,600$309,300

Age & race/ethnicity

Age distribution (share)

	Diamond Beach	South Seaville
Under 5	2.8%	0.0%
5 to 17	0.0%	14.0%
18 to 24	0.0%	16.0%
25 to 34	0.0%	0.7%
35 to 44	7.6%	2.5%
45 to 54	0.0%	24.7%
55 to 64	47.6%	9.6%
65 to 74	30.2%	14.9%
75 and over	11.8%	17.5%

Race & ethnicity (share)

	Diamond Beach	South Seaville
White (non-Hispanic)	100.0%	94.9%
Black or African American	0.0%	3.3%
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%	1.8%

Educational attainment (age 25+)

Share of adults 25+

	Diamond Beach	South Seaville
No high school diploma	2.9%	20.8%
High school graduate	25.4%	27.0%
Some college or associate's	17.9%	9.4%
Bachelor's degree	23.9%	13.0%
Graduate or professional degree	30.0%	29.9%

Commute to work

How workers get to work (share)

	Diamond Beach	South Seaville
Drove alone	84.7%	88.4%
Carpooled	0.0%	11.6%
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	South Seaville
1-unit, detached	8.7%	94.8%
1-unit, attached	59.2%	0.0%
2 to 4 units	1.0%	5.2%
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	South Seaville
Poverty rate	0.0%	16.2%
Average household size	1.95	2.27
Mean commute (minutes)	—	29
Median year structure built	1993	1969