Sea Isle City city, New Jersey Demographics & Population 2026

Population Overview

Sea Isle City city is a small community located in New Jersey, within Cape May County. The total population is 2,079. It ranks as the 451st most populous out of 700 cities and towns in New Jersey.

Age Demographics

The median age in Sea Isle City city is 65.2 years. This is 63% higher than the state median of 40.1 years. Only 6.3% of residents are under 18, indicating fewer families with children. 23.2% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Sea Isle City city is $98,860. This is 2% lower than the state median of $101,050. Compared to the national median of $78,538, household income here is 26% higher. The poverty rate stands at 4.7%. This is 52% lower than the state poverty rate of 9.8%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 3.5%. This is 43% lower than the state rate of 6.2%. The median home value is $1,019,500. Housing costs are 138% higher than the state median of $427,600. The home-value-to-income ratio of 10.3x suggests that housing affordability is a significant concern for many residents. 93.8% of occupied housing units are owner-occupied. This homeownership rate is 47% higher than the state average of 63.7%.

Race & Ethnicity

Sea Isle City city has a predominantly White (non-Hispanic) population, comprising 96.7% of all residents. Hispanic or Latino residents account for 1.9%. The White (non-Hispanic) population is significantly higher than the state average (96.7% vs 51.9%). The Black or African American population (0.1%) is well below the state average of 12.3%. The Hispanic or Latino population (1.9%) is well below the state average of 21.9%.

Education

47.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 11% higher than the state rate of 42.9%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 98.7%. Notably, 21.6% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Sea Isle City city, New Jersey is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against New Jersey state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 700 Census-designated places in New Jersey. For official data, visit data.census.gov.