South Amboy, New Jersey
City in Middlesex County, New Jersey
| Census | Population |
|---|---|
| 2000 | 7,913 |
| 2010 | 8,631 |
| 2020 | 9,411 |
As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.
Sources: Census 2000 Summary File 1: total population, place level, state 34, retrieved November 14, 2026; Census 2010 Summary File 1: total population, place level, state 34, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, place level, state 34, retrieved November 14, 2026.
| Measure | South Amboy | Middlesex County | New Jersey |
|---|---|---|---|
| Population | 9,714 | 861,535 | 9,267,014 |
| Median household income | $110,125 | $109,028 | $101,050 |
| Median age | 42.3 | 39.4 | 40.1 |
| Median home value | $365,000 | $439,300 | $427,600 |
| Bachelor’s degree or higher | 30.0% | 45.1% | 42.9% |
| Foreign-born residents | 17.3% | 34.7% | 23.5% |
| Owner-occupied homes | 55.2% | 63.5% | 63.7% |
| Mean commute to work | 33.2 minutes | 31.9 minutes | 30.9 minutes |
Source: American Community Survey 5-year data profile 2019–2023, place level, state 34, retrieved November 14, 2026.
Median household income $110,125 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.
Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, place level, state 34, retrieved November 14, 2026.
- Owner occupied
- 2,285 units
- Renter occupied
- 1,855 units
- Vacancy rate
- 5.1%
Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.
Source: American Community Survey 5-year data profile 2019–2023, place level, state 34, retrieved November 14, 2026.
| School | Type | Grades | District |
|---|---|---|---|
| South Amboy Elementary | Public | Pre-K–5 | South Amboy School District |
| South Amboy Middle/High School | Public | 6–12 | South Amboy School District |
Open public schools in the NCES directory for 2023–2024, placed by their listed location; private schools are not in the source. Enrollment and ratings are not shown.
Sources: NCES Common Core of Data, public school directory 2023–2024, retrieved November 14, 2026; NCES EDGE public school geocodes 2024–2025, retrieved November 14, 2026.
Community
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Nearby towns
- Perth AmboyCity
- KeasbeyCensus designated place
- SayrevilleBorough
- HopelawnCensus designated place
- Laurence HarborCensus designated place
- Madison ParkCensus designated place
- FordsCensus designated place
- Edison TownshipTownship
- SewarenCensus designated place
- WoodbridgeCensus designated place
Other towns in Middlesex County
- AvenelCensus designated place
- BrownvilleCensus designated place
- CarteretBorough
- ClearbrookCensus designated place
- ColoniaCensus designated place
- ConcordiaCensus designated place
- Cranbury TownshipTownship
- CranburyCensus designated place
- DaytonCensus designated place
- DeansCensus designated place
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- Type
- City
- County
- Middlesex County
- Land area
- 1.54 sq mi
- Water area
- 1.16 sq mi
- Population
- 10,549 (2024 estimate)
- Households
- 4,140
- Median age
- 42.3
- Median household income
- $110,125
- Median home value
- $365,000
- Median gross rent
- $1,644
- Owner-occupied homes
- 55.2%
- Bachelor’s degree or higher
- 30.0%
- Foreign-born residents
- 17.3%
- Mean commute to work
- 33.2 minutes
- Census GEOID
- 3468550
Sources: Census Gazetteer 2025: places, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 34, retrieved November 14, 2026; American Community Survey 5-year data profile 2019–2023, place level, state 34, retrieved November 14, 2026.
- ZIP codes
- 08879
- Metro area
- New York-Newark-Jersey City, NY-NJ
Sources: Census 2020 ZCTA relationship file: ZCTAs to places, retrieved November 14, 2026; Census Gazetteer 2025: metropolitan and micropolitan areas, retrieved November 14, 2026.