All Countries
Sea Isle City, NJ
Full City Profile · New Jersey · Cape May County County
3.3
/5.0
B
Good
2,079
Population
945/sq mi density
$98,860
Median Income
$84,171 per capita
$1,019,500
Home Value
$1,449,613 Zillow
56°F
Avg Temperature
297 sunny days/yr
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$98,860 median income, 1.4% unemployment
F
Affordability
1.0 / 5.0
$1,019,500 home value, /mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
A+
Education
4.8 / 5.0
47.5% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+1.3%
2,093 → 2,121
over 10 years
Annual Pop. Growth
+0.13%
Compound annual growth rate
Median Income Change
+74.1%
$56,788 → $98,860
nominal, not inflation-adjusted
Annual Income Growth
+5.7%
Compound annual growth rate
Population Over Time
Total population for Sea Isle City 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
2,140
+19 from 2023 (2,121)
Projected Median Income 2030
$145,729
+$46,869 from 2023 ($98,860)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 2,093 | — | $56,788 | — |
| 2015 | 2,077 | -0.8% | $66,683 | +17.4% |
| 2017 | 2,060 | -0.8% | $72,153 | +8.2% |
| 2019 | 2,032 | -1.4% | $73,403 | +1.7% |
| 2021 | 2,107 | +3.7% | $86,359 | +17.7% |
| 2023 | 2,121 | +0.7% | $98,860 | +14.5% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.