Diamond Beach Flag

Diamond Beach

County Seat:
No
Area (mi²):
0.226

Diamond Beach is a CDPlocated in Cape May County, New Jersey. Diamond Beach has a 2026 population of 323. Diamond Beach is currently growing at a rate of 3.86% annually and its population has increased by 59.9% since the most recent census, which recorded a population of 202 in 2020.

The median household income in Diamond Beach is $125,357 with a poverty rate of 0%.The median age in Diamond Beach is 61.7 years: 61.5 years for males, and 63.3 years for females. For every 100 females there are 92.3 males.

323
Total Population
1,429
Density (mi²)
12 3.86%
Growth

Diamond Beach Population

Diamond Beach Population

Year↓
Population
Growth
Annual Change
2026323123.86%
2025311113.67%
20232886227.43%
2022226125.61%
2021214125.94%
2020202136.88%
2019189-22-10.43%
201821162.93%
2017205-1-0.49%
20162066142.07%
201514500%
2014145-5-3.33%
201315032.04%
20121473632.43%
2011111-25-18.38%

Median Age

Overall:61.7 years
Female:63.3 years
Male:61.5 years

Diamond Beach Adults

There are 329 adults, (152 of whom are seniors) in Diamond Beach.

Sex Ratio

Female: 182 (52%)
Male: 168 (48%)

Demographics

The racial composition of Diamond Beach includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population↓
Percentage (of total)
White350100%
Race
Population↓
Percentage (of total)
White350100%

Diamond Beach Marital Status

Economics and Income Statistics

Diamond Beach's average per capita income is $0. Household income levels show a median of $125,357. The poverty rate stands at 0%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median↓
Mean
Households$125,357$130,463
Families$125,357$130,463
Married Families$125,357-
Non Families--

$0

Average Income

$125,357

Median Household Income

0%

Poverty Rate

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)