Browse / United States / New Jersey / South Dennis
South Dennis
New JerseyCDP
South Dennis
Total population
1,528
Median home value
$372,100
Bachelor's+
Median income
$101,500
Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.
City facts
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 WikipediaHistory & 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.
Excerpted from the corresponding Wikipedia article (CC BY-SA).
Demographics & economy
Race & ethnicity
Source: US Census Bureau — American Community Survey, 5-year estimates.
Geography
Coordinates & boundaries from the US Census TIGER/Line shapefiles.
Climate
Current forecast
Forecast for South Dennis, NJ from NOAA NWS API.
Air quality
Industrial & pollution facilities
Natural hazard risk
Health (adults)
Age-adjusted prevalence estimates from CDC PLACES (latest release).
Walkability
Amenities nearby
Wildlife & biodiversity
Most-observed species
- Laughing GullLeucophaeus atricilla (Linnaeus, 1758) · Aves25,661
- American herring gull, Smithsonian GullLarus smithsonianus Coues, 1862 · Aves24,505
- Red-winged BlackbirdAgelaius phoeniceus (Linnaeus, 1766) · Aves20,161
- Great EgretArdea alba Linnaeus, 1758 · Aves18,094
- OspreyPandion haliaetus (Linnaeus, 1758) · Aves18,072
- Mourning DoveZenaida macroura (Linnaeus, 1758) · Aves17,260
- Northern CardinalCardinalis cardinalis (Linnaeus, 1758) · Aves16,780
- Great Black-backed GullLarus marinus Linnaeus, 1758 · Aves16,520
Citizen-science & research observations from the Global Biodiversity Information Facility (GBIF).
Schools
Earthquake history
Most recent
- M 4.1 — 2017-11-303 km NNE of Little Creek, Delaware
- M 2.78 — 2009-07-013 km ESE of Pennsville, New Jersey
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
- Goshen2.7 mi away · pop. 340
- South Seaville2.9 mi away
- Woodbine4 mi away
- Cape May Court House6.4 mi away
- Belleplain7.1 mi away · pop. 495
- Palermo7.7 mi away · pop. 2,696
- Delmont8.4 mi away · pop. 223
- Tuckahoe8.7 mi away
- Stone Harbor9.1 mi away · pop. 893
- Whitesboro9.1 mi away
- Marmora10 mi away · pop. 2,039
- Corbin City10.5 mi away · pop. 662
Geography & sun
Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.
Nearby airports
Public attention
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
Live readings from USGS NWIS · measured 2026-10-13 16:20 UTC.
Events
Gallery
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