Seaville CDP, New Jersey Demographics & Population 2026

Name: Seaville CDP, New Jersey Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

As of 2026, Seaville CDP, New Jersey has a total population of 2,678, the 411th largest city in New Jersey, with a median household income of $148,095, which is 47% higher than the state average. The poverty rate is 2.2%.

Key Takeaways

Household income is 47% above the state average — one of the wealthiest communities in New Jersey.
An exceptionally low poverty rate of 2.2% — among the lowest in New Jersey.

Seaville CDP Quick Facts

Population 2,678

Median Household Income $148,095

Median Home Value $437,300

Poverty Rate 2.2%

Unemployment Rate 2.7%

Median Age 39.7 years

Homeownership Rate 94.3%

Affordability Ratio 3.0x

Bachelor's Degree or Higher 55.4%

High School Graduation Rate 99.5%

Diversity Index 3/100

Population 2,678 411th of 700

Median Income $148,095 top 20%

Poverty Rate 2.2% 82% lower national

Median Home Value $437,300 average

How Seaville CDP Compares

Median Household Income

Seaville CDP

$148,095

$101,050

National

$78,538

Median Home Value

Seaville CDP

$437,300

$427,600

National

$303,400

Economy & Housing

Household Income Distribution

Under $25K 3.3%

$25K-$50K 4.7%

$50K-$100K 19.3%

$100K+ 72.7%

Employment

2.7% Unemployment Rate State: 6.2% | National: 5.2%

72.9% Labor Force Participation

Housing Overview

Owner 94.3%

Renter 5.7%

Affordability Index Affordable

3.0x home value to income ratio

People & Demographics

Age Distribution

Under 18

25.4%

18-34

18.4%

35-54

24.5%

55-74

28.2%

75+

3.5%

Race & Ethnicity

Diversity Index

Very Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 65 | National average: 60

Education

Educational Attainment (Adults 25+)

Seaville CDP Rankings in New Jersey

#411 Population of 700

#136 Median Income of 700

#218 Education of 700

#284 Home Value of 700

Explore New Jersey Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Cities Similar to Seaville CDP

These cities in the same state have comparable population and economic profiles.

City	Population	Median Income	Home Value	Bachelor's+	Poverty
Spring Lake borough	2,782	$146,976	$2,000,001	81.3%	3.1%
Stockton University CDP	2,801	N/A	N/A	67.0%	0.0%
Clinton town	2,784	$142,563	$407,800	59.4%	2.3%
Gillette CDP	2,739	$160,272	$634,400	68.3%	8.9%
Greenwich CDP (Warren County)	2,615	$166,977	$457,500	58.4%	0.8%

Population Overview

Seaville CDP is a small community located in New Jersey. The total population is 2,678. It ranks as the 411th most populous out of 700 cities and towns in New Jersey.

Age Demographics

The median age in Seaville CDP is 39.7 years. This is about average than the state median of 40.1 years.

Economy, Income & Housing

The median household income in Seaville CDP is $148,095. This is 47% higher than the state median of $101,050. Compared to the national median of $78,538, household income here is 89% higher. The poverty rate stands at 2.2%. This is 77% 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 2.7%. This is 56% lower than the state rate of 6.2%. The median home value is $437,300. Housing costs are 2% higher than the state median of $427,600. The home-value-to-income ratio is 3.0x. 94.3% of occupied housing units are owner-occupied. This homeownership rate is 48% higher than the state average of 63.7%.

Race & Ethnicity

Seaville CDP has a predominantly White (non-Hispanic) population, comprising 98.4% of all residents. Asian residents account for 1.2%. The White (non-Hispanic) population is significantly higher than the state average (98.4% vs 51.9%). The Asian population (1.2%) is well below the state average of 9.8%.

Education

55.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 29% 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 99.5%. Notably, 24.7% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Seaville CDP, 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.

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Frequently Asked Questions

What is the population of Seaville CDP, New Jersey?

Seaville CDP, New Jersey has a population of 2,678 according to the most recent U.S. Census ACS 5-Year Estimates.

What is the median household income in Seaville CDP, NJ?

The median household income in Seaville CDP is $148,095, which is 89% higher the national median of $78,538.

What is the poverty rate in Seaville CDP, NJ?

The poverty rate in Seaville CDP is 2.2%. This means approximately 60 residents live below the federal poverty line.

What is the racial makeup of Seaville CDP, New Jersey?

Seaville CDP's population is 98.4% White, 0.0% Black, 0.0% Hispanic/Latino, and 1.2% Asian.

What is the median home value in Seaville CDP, NJ?

The median home value in Seaville CDP is $437,300. The home-value-to-income ratio is 3.0x.

How educated is Seaville CDP, New Jersey?

55.4% of adults (25+) in Seaville CDP hold a bachelor's degree or higher, and 24.7% hold a graduate or professional degree.