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South Dennis

New JerseyCDP

Photograph of South Dennis
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South Dennis

Total population

1,528

Median home value

$372,100

34.1%

Bachelor's+

Median income

$101,500

South Dennis$102k
National$74k
Elevation7 m
Land area16.27 km²
Weather76°F · Sunny
Coordinates39.17°, -74.80°

Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.

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City facts

Elevation
7 m
Area
16.27 km²

Facts from Wikidata (CC0).

Overview

South Dennis is an unincorporated community located within Dennis Township in Cape May County, in the U.S. state of New Jersey. As of the 2020 census, South Dennis had a population of 1,703. It is part of the Ocean City Metropolitan Statistical Area. Its postal ZIP Code is 08245. The post office was established in 1873, with Robert Hutchinson as the first postmaster.

Read more on Wikipedia

History & geography

Geography

South Dennis is located at (39.099980, -74.848733). It lies 10 ft (3 m) above sea level. Dennis Creek serves as the northern border of the community. South Dennis lies on the cusp of a humid subtropical climate zone and experiences four discernible seasons. It receives an average of of precipitation each year, with the wettest season being August. In January 1942, South Dennis experienced its lowest recorded temperature at -22 °F, while the hottest temperature was 103 °F in July 1993.

Read full article on Wikipedia

Excerpted from the corresponding Wikipedia article (CC BY-SA).

Demographics & economy

Median age
47.2
Median home value
$372,100
Housing units
636
Poverty rate
3.1%
Unemployment
0%

Race & ethnicity

White
92.8%
Black
1.4%
Asian
0.1%
Hispanic
2%

Source: US Census Bureau — American Community Survey, 5-year estimates.

Geography

Latitude
39.1702
Longitude
-74.8044
Water area
0.07 mi²
View on OpenStreetMap

Coordinates & boundaries from the US Census TIGER/Line shapefiles.

Climate

Current forecast

This Afternoon
76°F
Sunny
Tonight
65°F
Clear
Wednesday
86°F
Sunny
Wednesday Night
58°F
Slight Chance Showers And Thunderstorms
Thursday
66°F
Chance Rain Showers
Thursday Night
56°F
Rain Showers Likely

Forecast for South Dennis, NJ from NOAA NWS API.

Air quality

Industrial & pollution facilities

Natural hazard risk

Health (adults)

High blood pressure
27.2%
Diabetes
7%
Adult obesity
31.7%
Binge drinking
20.7%
Adult smoking
11.9%
No leisure activity
18.3%

Age-adjusted prevalence estimates from CDC PLACES (latest release).

Walkability

Amenities nearby

Wildlife & biodiversity

Observations (last 5 yrs, 10 mi)
946,968
Distinct species (top 10)
10

Most-observed species

  • Laughing Gull
    Leucophaeus atricilla (Linnaeus, 1758) · Aves
    25,661
  • American herring gull, Smithsonian Gull
    Larus smithsonianus Coues, 1862 · Aves
    24,505
  • Red-winged Blackbird
    Agelaius phoeniceus (Linnaeus, 1766) · Aves
    20,161
  • Great Egret
    Ardea alba Linnaeus, 1758 · Aves
    18,094
  • Osprey
    Pandion haliaetus (Linnaeus, 1758) · Aves
    18,072
  • Mourning Dove
    Zenaida macroura (Linnaeus, 1758) · Aves
    17,260
  • Northern Cardinal
    Cardinalis cardinalis (Linnaeus, 1758) · Aves
    16,780
  • Great Black-backed Gull
    Larus marinus Linnaeus, 1758 · Aves
    16,520

Citizen-science & research observations from the Global Biodiversity Information Facility (GBIF).

Schools

Earthquake history

Quakes ≥ 2.5 (25 yrs, 62 mi)
2
Largest magnitude
4.1
Largest event
2017-11-30

Most recent

Events from the USGS Earthquake Catalog (global) (FDSN Event Web Service).

Photos

Sights & places nearby

Notable people from here

People born within ~10 km, from Wikidata (CC0). Click any name for their Wikipedia article.

Nearby places in New Jersey

Browse all places in New Jersey →

Geography & sun

Avg solar (kWh/m²/day)
4.06
Annual solar (kWh/m²)
1,482

Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.

Nearby airports

Public attention

Wikipedia views (last 30 days)
48
Avg daily Wikipedia views
2
Attention level
Obscure

Pageview totals from the Wikimedia Pageviews API.

Books about South Dennis

Search results from Open Library.

Recent natural events nearby

Ground air-quality sensors

Recently spotted species

Research-grade observations from iNaturalist (within ~15 mi).

Nearest stream gauge

Site
Tuckahoe River at Head of River NJ
Distance
9.5 mi
Streamflow
47.7 cfs
Gage height
4.26 ft

Live readings from USGS NWIS · measured 2026-10-13 16:20 UTC.

Events

Sources

  • • Wikipedia
  • • US Census Bureau (ACS 5-year estimates)
  • • NOAA National Weather Service
  • • Wikidata
  • • USGS Earthquake Catalog (global feed)
  • • USGS NWIS (water data)
  • • GBIF (Global Biodiversity Information Facility)
  • • iNaturalist
  • • CDC PLACES
  • • Open-Meteo / sunrise-sunset.org
  • • Wikipedia Pageviews API
  • • Open Library