States · New Jersey · Cape May County

Seaville, New Jersey.

A community in Cape May County, with no city government of its own. Zillow publishes no home prices for it: see Cape May County’s.

Living in Seaville, Cape May County, New Jersey

Seaville, in Cape May County, had 2,426 people in the 2020 census. Half its households earn more than $139,444 a year and half less, against $91,128 across Cape May County; 4% of its people live below the poverty line. 93% of its homes are lived in by their owners and 7% are rented. Unemployment in Cape May County was 5.5% in August 2026, and the county had 1.4% more jobs in 2025 than the year before. The most residents work in schools and health care, then shops.

People 2,426 in the 2020 census
Household income $139,444 the median, give or take $33,057 · Cape May County: $91,128
Unemployment 5.5% Cape May County, August 2026; 6.6% a year before
Homes 93% lived in by their owners; 7% rented
  • 916households
  • 54%of adults have a degree
  • 4%below the poverty line
  • 25 mintypical commute
  • 9%work from home

What residents work in

  • Schools, hospitals and social care29%
  • Shops (retail)11%
  • Transport, warehouses and utilities9%
  • Banks, insurance and property9%
  • Manufacturing8%
  • Professional and business services8%

Employed residents by industry, from the Census survey. Cape May County had 43,316 jobs in 2025, 1.4% more than the year before (Bureau of Labor Statistics).

Weather through the year

Average daily high and low for each month: coldest in January, 46° and 25°; warmest in July, 88° and 66° 20° 40° 60° 80° J 46° 25° F M A M J J 88° 66° A S O N D
Average daily high and low for each month: coldest in January, 46° and 25°; warmest in July, 88° and 66° 20° 40° 60° 80° J 46° 25° F M A M J J 88° 66° A S O N D

Coldest in January, with highs near 46° and lows near 25°; warmest in July, with highs near 88° and lows near 66°.

Average daily high and low, 1991–2020, at the Belleplain Station Forest weather station, 7 miles away (NOAA).

Largest workplaces in Cape May County

  1. Cape Regional Medical CenterGeneral hospital674FTE
  2. Middle Township Public School DistrictSchool district465FTE
  3. WalmartWarehouse clubs and supercenters439
  4. Ocean City School DistrictSchool district408FTE
  5. Lower Township Elementary School DistrictSchool district380FTE
  6. Upper Township School DistrictSchool district251FTE
  7. Cape May County Special Services School DistrictSchool district232FTE
  8. Shelter Haven HospitalityHotels with golf courses, tennis courts, and/or other health spa facilities226

Staff on average in 2025, as each workplace reported it to OSHA with its injury records: 61 workplaces with 20 or more staff, 4,373 people in all across the county; Seaville has none of its own. Hospitals come from their Medicare cost reports (CMS, 2023) and school districts from the Common Core of Data (NCES, 2023–24); FTE marks full-time equivalent staff. Not listed: many offices and banks, which need not report to OSHA; military bases, whose staff OPM withholds; and, in about half the states, city and county governments.

Natural hazards

  1. Strong windVery high
  2. Coastal floodingRelatively high
  3. Heat wavesRelatively high
  4. Winter weatherRelatively high
  5. WildfireRelatively moderate
  6. HurricanesRelatively moderate

FEMA’s National Risk Index (December 2025) rates the risk each natural hazard poses to the people, buildings and farms in Seaville’s census tracts, against the rest of the country; all of them together, relatively moderate. It is meant for planning, not a substitute for a local risk assessment or a flood map: FEMA’s index.

From the U.S. Census Bureau’s 2020 census and its American Community Survey (2020–2024 five-year estimates), and the Bureau of Labor Statistics. A survey, so each figure has a margin of error, and figures it is not sure of are left out. More on Cape May County.