Browse / United States / New Jersey / Iselin
Iselin
New JerseyCDP
Total population
19,551
Median home value
$426,800
Bachelor's+
Median income
$109,500
Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.
- Coastal Flood Advisory · MinorCoastal Flood Advisory issued September 23 at 4:28AM EDT until September 26 at 2:00AM EDT by NWS Mount Holly NJ
Source: NOAA National Weather Service.
City facts
Overview
Within New Jersey, United States, Iselin stands as a census-designated community. On the world map it falls within the Western Hemisphere, specifically at 40.570°, -74.316°. The population stands at approximately 19,551. The administrative footprint covers about 8.2 km². Solar-resource estimates put the area at about 1,431 kWh/m² of solar irradiance per year with sunshine for roughly 56% of daylight hours. Resident density is around 2,384 per km², indicating a high population density. Based on its temperate position, residents likely encounter four distinct seasons with warm summers and cold winters. Read on for charts and tables covering demographics, climate, hazards, schools, wildlife and other open-data indicators for Iselin.
Summary composed automatically from structured open data on this page. See our Terms for details.
History & geography
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 Iselin, 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
- American RobinTurdus migratorius Linnaeus, 1766 · Aves48,754
- Northern CardinalCardinalis cardinalis (Linnaeus, 1758) · Aves46,124
- Mourning DoveZenaida macroura (Linnaeus, 1758) · Aves44,659
- Blue JayCyanocitta cristata (Linnaeus, 1758) · Aves44,120
- Canada Goose (canadensis Group)Branta canadensis (Linnaeus, 1758) · Aves40,499
- Song SparrowMelospiza melodia (A.Wilson, 1810) · Aves38,049
- European StarlingSturnus vulgaris Linnaeus, 1758 · Aves37,138
- House SparrowPasser domesticus (Linnaeus, 1758) · Aves35,690
Citizen-science & research observations from the Global Biodiversity Information Facility (GBIF).
Schools
Largest nearby schools
- John P. Stevens High SchoolHigh · EDISON · 2,680 students · 16:1 ratio
- Perth Amboy High SchoolHigh · PERTH AMBOY · 2,658 students · 14.2:1 ratio
- Edison High SchoolHigh · EDISON · 2,280 students · 14.3:1 ratio
- Piscataway Township High SchoolHigh · PISCATAWAY · 2,144 students · 14:1 ratio
- Churchill Junior High SchoolMiddle · EAST BRUNSWICK · 2,002 students · 12.5:1 ratio
- Sayreville War Memorial High SchoolHigh · PARLIN · 1,750 students · 13:1 ratio
- Woodbridge High SchoolHigh · WOODBRIDGE · 1,558 students · 11.9:1 ratio
- John F. Kennedy Memorial High SchoolHigh · ISELIN · 1,371 students · 12:1 ratio
Public K–12 schools within ~10 mi from Urban Institute Education Data Portal (NCES Common Core of Data, 2022).
Earthquake history
Most recent
- M 2.8 — 2025-08-051 km N of Hillsdale, New Jersey
- M 3 — 2025-08-030 km W of Little Ferry, New Jersey
- M 2.9 — 2024-05-246 km E of Califon, New Jersey
- M 2.6 — 2024-05-011 km NW of Gladstone, New Jersey
- M 2.9 — 2024-04-277 km WSW of Gladstone, New Jersey
- M 2.6 — 2024-04-105 km WSW of Gladstone, 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
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 Iselin

Search results from Open Library.
Recent natural events nearby
Ground air-quality sensors
Recently spotted species
Nearest stream gauge
Events
Gallery
Sources
- • US Census Bureau (ACS 5-year estimates)
- • NOAA National Weather Service
- • Wikidata
- • USGS Earthquake Catalog (global feed)
- • NCES via Urban Institute Education Data Portal
- • GBIF (Global Biodiversity Information Facility)
- • CDC PLACES
- • Open-Meteo / sunrise-sunset.org
- • Wikipedia Pageviews API
- • Open Library