All Countries
Diamond Beach, NJ
Full City Profile · New Jersey · Cape May County County
3.6
/5.0
B+
Good
288
Population
1,252/sq mi density
$114,914
Median Income
$59,052 per capita
$603,800
Home Value
$616,760 Zillow
56°F
Avg Temperature
293 sunny days/yr
187
Violent Crime/100K
4,137 property/100K
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.8 / 5.0
$114,914 median income, 3.2% unemployment
B+
Affordability
3.7 / 5.0
$603,800 home value, /mo rent
F
Safety
1.0 / 5.0
187 violent crimes/100K
A+
Education
5.0 / 5.0
53.9% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+92%
150 → 288
over 10 years
Annual Pop. Growth
+6.74%
Compound annual growth rate
Median Income Change
+8.2%
$106,250 → $114,914
nominal, not inflation-adjusted
Annual Income Growth
+0.79%
Compound annual growth rate
Population Over Time
Total population for Diamond Beach across each available Census ACS release.
Median Household Income Over Time
Median household income reported by U.S. Census ACS. Values are nominal (not adjusted for inflation).
Projected 2030
Simple projections extrapolating the 2013–2023 compound annual growth rate forward. These are mathematical extensions of recent trends, not forecasts — real outcomes depend on migration, policy and economic shifts.
Projected Population 2030
455
+167 from 2023 (288)
Projected Median Income 2030
$121,421
+$6,507 from 2023 ($114,914)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 150 | — | $106,250 | — |
| 2015 | 145 | -3.3% | $105,000 | -1.2% |
| 2017 | 205 | +41.4% | $61,406 | -41.5% |
| 2019 | 189 | -7.8% | $65,333 | +6.4% |
| 2021 | 214 | +13.2% | — | — |
| 2023 | 288 | +34.6% | $114,914 | — |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.