South Amboy, New Jersey Demographics & Population 2026
During the 2020–2024 ACS period, South Amboy, New Jersey had a total population of 9,989, the 160th largest city in New Jersey, with a median household income of $91,997, which is 11% lower than the state average. The poverty rate is 6.5%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
South Amboy Quick Facts
How South Amboy Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 9,714 | 9,989 | +2.8% |
| Median household income | $110,125 | $91,997 | -16.5% |
| Median home value | $365,000 | $379,700 | +4.0% |
How South Amboy Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 66 | National average: 61
Education
Educational Attainment (Adults 25+)
South Amboy Rankings in New Jersey
Explore New Jersey Rankings
Other Cities in Middlesex County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| New Brunswick | 56,345 | $65,810 | 32.0% | $353,800 |
| Perth Amboy | 55,855 | $61,977 | 20.2% | $370,600 |
| Sayreville | 45,838 | $99,979 | 6.2% | $444,100 |
| Old Bridge | 28,236 | $111,996 | 6.9% | $485,800 |
| Carteret | 25,496 | $96,862 | 8.2% | $405,800 |
| South Plainfield | 24,473 | $130,239 | 3.0% | $470,900 |
| Woodbridge | 20,756 | $104,926 | 11.1% | $390,000 |
| Iselin | 19,551 | $109,500 | 7.9% | $426,800 |
| Colonia | 18,587 | $122,713 | 7.4% | $493,100 |
| Avenel | 17,121 | $101,670 | 7.9% | $401,000 |
Cities Similar to South Amboy
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Pine Lake Park | 9,795 | $91,813 | $414,700 | 26.0% | 7.5% |
| Hackettstown | 10,140 | $93,083 | $361,600 | 37.5% | 9.4% |
| Burlington | 9,993 | $84,813 | $239,000 | 27.6% | 16.6% |
| East Rutherford | 10,313 | $97,993 | $458,100 | 46.7% | 7.4% |
| Keansburg | 9,719 | $81,428 | $311,800 | 24.3% | 10.7% |
Population Overview
South Amboy is a small city located in New Jersey, within Middlesex County. The total population is 9,989. It ranks as the 160th most populous out of 700 Census-designated places in New Jersey.
Age Demographics
The median age in South Amboy is 42.4 years. This is 6% higher than the state median of 40.1 years.
Economy, Income & Housing
The median household income in South Amboy is $91,997. This is 11% lower than the state median of $103,556. It is also 14% higher than the national median of $80,734. The poverty rate stands at 6.5%. This is 33% lower than the state poverty rate of 9.7%. The unemployment rate is 5.9%. This is 6% lower than the state rate of 6.3%. The median home value is $379,700. Housing costs are 16% lower than the state median of $454,400. The home-value-to-income ratio is 4.1x. 56.5% of occupied housing units are owner-occupied. This homeownership rate is 12% lower than the state average of 63.8%.
Race & Ethnicity
The largest racial or ethnic group in South Amboy is White (non-Hispanic), making up 61.6% of the population. Hispanic or Latino residents account for 22.7%. The Asian population (3.6%) is well below the state average of 10.1%.
Education
28.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 35% lower than the state rate of 43.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 88.3%.
Data Sources & Methodology
All demographic data for South Amboy, New Jersey is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. 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. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of South Amboy, New Jersey?
South Amboy, New Jersey has a population of 9,989 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in South Amboy, NJ?
The median household income in South Amboy is $91,997, which is 14% higher than the national median of $80,734.
What is the poverty rate in South Amboy, NJ?
The poverty rate in South Amboy is 6.5%. This means approximately 646 residents live below the federal poverty line.
What is the racial makeup of South Amboy, New Jersey?
South Amboy's population is 61.6% White, 7.1% Black, 22.7% Hispanic/Latino, and 3.6% Asian.
What is the median home value in South Amboy, NJ?
The median home value in South Amboy is $379,700. The home-value-to-income ratio is 4.1x.
How educated is South Amboy, New Jersey?
28.2% of adults (25+) in South Amboy hold a bachelor's degree or higher, and 12.0% hold a graduate or professional degree.