Housing data for Sea Isle City, NJ
Sea Isle City, NJ has an estimated 2,000 residents and 6,719 homes (US Census Bureau, 2020–2024 American Community Survey).
It is a city in Cape May County.
7.3% of households rent.
Figures last updated on .
- Residents
- 2,000 (±231)
- Housing units
- 6,719 (±220)
- Households that rent
- 7.3%
- Residents since 2015–2019
- −6.8%
What stands out in Sea Isle City
Rental vacancy rate: 85.0% (±7.4 points) in Sea Isle City, higher than in Cape May County (26.1%).
Median home value: $1,087,300 (±$43,074) in Sea Isle City, higher than in Cape May County ($434,600).
Households that rent: 7.3% (±3.1 points) in Sea Isle City, lower than in Cape May County (19.7%).
Working from home: 21.8% (±7.0 points) in Sea Isle City, higher than in Cape May County (12.1%).
Housing in Sea Isle City at a glance
- Rent burden: 75.5% of renters pay 30% or more of income (Small sample: wide margin of error)
- Renters and owners: 7.3% of households rent
- Income and affordability: $108,359 median household income
- Home values: $1,087,300 median home value
- Homeowner costs: $3,317 median monthly cost with a mortgage
- Property taxes: $5,749 median real estate taxes a year
- Types of homes: 14.8% of homes are in buildings of 5 or more units
- Bedrooms: 86.8% of homes have 3 or more bedrooms
- Age of homes: 22.5% of homes were built before 1980
- Vacancy rate: 85.0% rental vacancy rate (Small sample: wide margin of error)
- Heating fuel: 79.8% heat with utility gas
- Commute and cars: 29.5 minutes average trip to work
- Crime reported to police: 329 violent crimes per 100,000 residents
- Growth: −6.8% residents since 2015–2019
- How long people stay: 18.9% moved in since 2020
- Crowding and facilities: 0.0% of homes have more than 1 person per room (Small sample: wide margin of error)
Sea Isle City against Cape May County, its state and the nation
| Sea Isle City | Cape May County | New Jersey | United States | |
|---|---|---|---|---|
| Residents | 2,000 (±231) | 94,941 (exact) | 9,343,809 (exact) | 334,922,499 |
| Housing units | 6,719 (±220) | 99,599 (±85) | 3,791,354 (±469) | 143,775,355 |
| Households that rent | 7.3% (±3.1 points) | 19.7% (±1.5 points) | 36.2% (±0.2 points) | 34.8% |
| Median gross rent | — | $1,360 (±$96) | $1,720 (±$7) | $1,413 |
| Median household income | $108,359 (±$14,443) | $91,128 (±$3,274) | $103,556 (±$513) | $80,734 |
| Median home value | $1,087,300 (±$43,074) | $434,600 (±$9,304) | $454,400 (±$1,150) | $332,700 |
| Median real estate taxes (a year) | $5,749 (±$237) | $5,306 (±$135) | $9,590 (±$25) | $3,119 |
| Built before 1980 | 22.5% (±3.4 points) | 48.9% (±1.6 points) | 62.8% (±0.3 points) | 49.7% |
| Average commute | 29.5 minutes (±5.5) | 22.0 minutes (±0.9) | 30.5 minutes (±0.1) | 26.4 minutes |
| Households with broadband | 96.4% (±2.0 points) | 93.1% (±1.1 points) | 92.8% (±0.1 points) | 91.0% |
| Median age of residents | 66.1 years (±2.0) | 51.8 years (±0.2) | 40.1 years (±0.1) | 38.9 years |
Sea Isle City covers 2.2 square miles of land, about 907 residents per square mile (Census Bureau Gazetteer).
How Sea Isle City has changed since 2015–2019
| 2015–2019 | 2020–2024 | Amount of change | Verdict | |
|---|---|---|---|---|
| Residents | 2,147 (±200) | 2,000 (±231) | −6.8% | Not a measurable change |
| Housing units | 6,927 (±116) | 6,719 (±220) | −3.0% | Not a measurable change |
| Median home value | $671,700 (±$33,566) | $1,087,300 (±$43,074) | +61.9% | Up after inflation |
| Median household income | $73,403 (±$13,467) | $108,359 (±$14,443) | +47.6% | No measurable change after inflation |
| Median owner cost with a mortgage | $2,801 (±$187) | $3,317 (±$193) | +18.4% | No measurable change after inflation |
| Median real estate taxes | $4,490 (±$255) | $5,749 (±$237) | +28.0% | No measurable change after inflation |
| Households that rent | 9.3% (±2.2 points) | 7.3% (±3.1 points) | −2.0 percentage points | Not a measurable change |
| Rental vacancy rate | 69.3% (±8.0 points) | 85.0% (±7.4 points) | +15.7 percentage points | Measurable increase |
The Census Bureau publishes 2015–2019 dollars in 2019 dollars and 2020–2024 dollars in 2024 dollars.
Prices (the CPI-U, US Bureau of Labor Statistics) rose 22.7% between 2019 and 2024, so a dollar figure’s verdict compares the two after raising the earlier one by that much, using the Census Bureau’s test for a difference.
The two periods do not overlap, as the Census Bureau recommends for 5-year estimates.
Crime reported to police in Sea Isle City
In 2025, the Sea Isle City Police Department reported 329 violent and 2,915 property crimes per 100,000 residents to the FBI.
Across Cape May County, the departments that report recorded 164 violent and 1,413 property crimes per 100,000 residents that year.
ZIP codes in Sea Isle City
| ZIP code | Share of the ZIP’s land in this place | Residents | Median gross rent | Median home value | Median household income |
|---|---|---|---|---|---|
| 08243 | 100% | 2,000 | — | $1,087,300 | $108,359 |
A ZIP code is a mail route rather than a boundary, so the Census Bureau publishes figures for ZIP Code Tabulation Areas built from census blocks; the share column says how much of each one’s land lies in this place.
Places near Sea Isle City
| Place | Distance | Median gross rent | Median home value | Households that rent |
|---|---|---|---|---|
| Seaville | 4.0 mi | $2,069 | $461,300 | 6.8% |
| Avalon Borough | 4.9 mi | $1,708 | $1,959,000 | 7.0% |
| South Dennis | 5.6 mi | $1,875 | $372,100 | 12.1% |
| Palermo | 5.8 mi | — | $395,400 | 2.1% |
| Dennis Township | 7.3 mi | $1,578 | $360,400 | 11.8% |
| Upper Township | 7.5 mi | $1,843 | $411,500 | 4.9% |
| Woodbine Borough | 7.8 mi | $945 | $218,200 | 44.6% |
| Marmora | 7.8 mi | $1,875 | $438,400 | 11.8% |
HUD Fair Market Rent for Sea Isle City, fiscal year 2027
| Studio | 1 bedroom | 2 bedrooms | 3 bedrooms | 4 bedrooms |
|---|---|---|---|---|
| $1,512 | $1,521 | $1,857 | $2,431 | $2,441 |
HUD income limits for Sea Isle City, fiscal year 2026
| Household size | Extremely low (30%) | Very low (50%) | Low (80%) |
|---|---|---|---|
| 1 person | $24,350 | $40,550 | $64,900 |
| 2 people | $27,800 | $46,350 | $74,150 |
| 3 people | $31,300 | $52,150 | $83,400 |
| 4 people | $34,750 | $57,900 | $92,650 |
| 5 people | $38,680 | $62,550 | $100,100 |
| 6 people | $44,360 | $67,200 | $107,500 |
| 7 people | $50,040 | $71,800 | $114,900 |
| 8 people | $55,720 | $76,450 | $122,300 |
These are the limits HUD sets for its housing programs in the Cape May County, NJ HUD Metro FMR Area, where HUD’s median family income for fiscal year 2026 is $115,800.
A program can use its own limits; tax-credit and local programs often do.
Survey years: 2020–2024 (American Community Survey 5-year estimates), compared with 2015–2019.
Margins of error are at the 90% confidence level.
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Questions about Sea Isle City
How many renters are there in Sea Isle City?
Sea Isle City has an estimated 81 (±38) renting households, 7.3% of its occupied homes (2020–2024 American Community Survey).
What is the median household income in Sea Isle City?
The median household income in Sea Isle City is $108,359 (±$14,443) a year (2020–2024 American Community Survey).
What is the average home value in Sea Isle City, NJ?
The Census Bureau publishes the median: $1,087,300 (±$43,074) for owner-occupied homes in Sea Isle City (2020–2024 American Community Survey).
What is the average mortgage payment in Sea Isle City?
The Census Bureau publishes total owner costs rather than the mortgage alone: the median for owners with a mortgage in Sea Isle City, NJ is $3,317 (±$193) a month, including taxes, insurance and utilities.
How much are property taxes in Sea Isle City?
The median real estate tax paid by homeowners in Sea Isle City, NJ is $5,749 (±$237) a year (2020–2024 American Community Survey).
How many homes are in Sea Isle City?
Sea Isle City, NJ has an estimated 6,719 (±220) housing units, occupied and vacant (2020–2024 American Community Survey).
Is Sea Isle City growing?
In Sea Isle City, the number of residents went from 2,147 in 2015–2019 to 2,000 in 2020–2024 (−6.8%), not a measurable change.
What ZIP codes are in Sea Isle City?
The ZIP code that covers Sea Isle City is 08243.
Sources
- Demographic and Housing Estimates (DP05), 2020–2024 ACS 5-year estimates — Sea Isle City city, Cape May County, New Jersey
- Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Sea Isle City city, Cape May County, New Jersey
- Selected Economic Characteristics (DP03), 2020–2024 ACS 5-year estimates — Sea Isle City city, Cape May County, New Jersey
- Median Real Estate Taxes Paid by Mortgage Status (B25103), 2020–2024 ACS 5-year estimates — Sea Isle City city, Cape May County, New Jersey
- Selected Social Characteristics (DP02), 2020–2024 ACS 5-year estimates — Sea Isle City city, Cape May County, New Jersey
- Total Population (B01003), 2015–2019 ACS 5-year estimates — Sea Isle City city, Cape May County, New Jersey
- Median Gross Rent (B25064), 2015–2019 ACS 5-year estimates — Sea Isle City city, Cape May County, New Jersey
- HUD Fair Market Rents, fiscal year 2027: Cape May County, NJ HUD Metro FMR Area
- HUD Income Limits, fiscal year 2026: Cape May County, NJ HUD Metro FMR Area
- US Census Bureau, American Community Survey 2020–2024 5-year estimates for ZIP Code Tabulation Areas
- FBI Uniform Crime Reporting Program, Crime Data Explorer: Sea Isle City Police Department (ORI NJ0050900)
- FBI: Uniform Crime Reporting statistics and their proper use
- Consumer Price Index for All Urban Consumers (CPI-U), US city average, all items, US Bureau of Labor Statistics: annual averages 2019 and 2024
- US Census Bureau, 2024 Gazetteer Files
To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Sea Isle City city, Cape May County, New Jersey (county subdivision:66390, in state:34 county:009).
Each estimate (E or PE) has a margin of error beside it (M or PM).
The 2015–2019 figures are B01003_001E, B01003_001M, B25064_001E, B25064_001M from the 2019 release.
The API needs a free key.
DP05_0001E, DP05_0001M, DP04_0001E, DP04_0001M, DP04_0047PE, DP04_0047PM, DP04_0134E, DP04_0134M, DP03_0062E, DP03_0062M, DP04_0089E, DP04_0089M
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.
Figures last updated on .