Monmouth Junction vs South Amboy
A side-by-side comparison of Monmouth Junction and South Amboy: population, income, housing, and more.
Monmouth Junction and South Amboy are places in New Jersey. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
South Amboy has the higher population (9,714 vs 9,457 in Monmouth Junction). Monmouth Junction has the higher median household income ($125,892 vs $110,125 in South Amboy). Monmouth Junction has the higher median home value ($497,100 vs $365,000 in South Amboy).
Population, income & housing
| Monmouth Junction | South Amboy | |
|---|---|---|
| Population | 9,457 | 9,714 |
| Median age | 40.2 yrs | 42.3 yrs |
| Median household income | $125,892 | $110,125 |
| Median home value | $497,100 | $365,000 |
| Median gross rent | $1,880 | $1,644 |
| Housing units | 3,624 | 4,361 |
| Homeownership rate | 63.4% | 55.2% |
| Bachelor's degree or higher | 72.9% | 30.0% |
| Unemployment rate | 4.3% | 5.8% |
Trends (ACS 5-year, 2019–2023)
| Monmouth Junction | South Amboy | |
|---|---|---|
| Population | 2,906 → 9,457 (+225.4%) | 8,772 → 9,714 (+10.7%) |
| Median household income | $150,500 → $125,892 (-16.4%) | $73,056 → $110,125 (+50.7%) |
| Median home value | $433,800 → $497,100 (+14.6%) | $294,500 → $365,000 (+23.9%) |
| Median gross rent | $2,356 → $1,880 (-20.2%) | $1,332 → $1,644 (+23.4%) |
Monmouth Junction
2,9069,457
$150,500$125,892
$433,800$497,100
$2,356$1,880
South Amboy
8,7729,714
$73,056$110,125
$294,500$365,000
$1,332$1,644
Age & race/ethnicity
Age distribution (share)
| Monmouth Junction | South Amboy | |
|---|---|---|
| Under 5 | 4.7% | 4.1% |
| 5 to 17 | 17.8% | 13.0% |
| 18 to 24 | 7.7% | 6.8% |
| 25 to 34 | 12.1% | 14.3% |
| 35 to 44 | 15.8% | 14.1% |
| 45 to 54 | 16.9% | 13.0% |
| 55 to 64 | 14.2% | 17.9% |
| 65 to 74 | 8.4% | 13.5% |
| 75 and over | 2.3% | 3.2% |
Race & ethnicity (share)
| Monmouth Junction | South Amboy | |
|---|---|---|
| White (non-Hispanic) | 28.2% | 62.0% |
| Black or African American | 6.6% | 8.7% |
| American Indian & Alaska Native | 0.0% | 0.0% |
| Asian | 55.2% | 4.4% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.7% | 2.2% |
| Two or more races | 2.7% | 2.2% |
| Hispanic or Latino | 6.5% | 20.5% |
Educational attainment (age 25+)
Share of adults 25+
| Monmouth Junction | South Amboy | |
|---|---|---|
| No high school diploma | 4.0% | 12.2% |
| High school graduate | 10.0% | 28.5% |
| Some college or associate's | 13.1% | 29.3% |
| Bachelor's degree | 38.6% | 16.9% |
| Graduate or professional degree | 34.3% | 13.1% |
Commute to work
How workers get to work (share)
| Monmouth Junction | South Amboy | |
|---|---|---|
| Drove alone | 66.2% | 68.2% |
| Carpooled | 3.9% | 11.4% |
| Public transit | 3.2% | 8.8% |
| Walked | 0.5% | 0.5% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 25.4% | 10.3% |
| Other means | 0.7% | 0.7% |
Housing
Units in structure (share)
| Monmouth Junction | South Amboy | |
|---|---|---|
| 1-unit, detached | 40.9% | 45.1% |
| 1-unit, attached | 23.7% | 14.8% |
| 2 to 4 units | 3.2% | 22.2% |
| 5 to 19 units | 21.2% | 8.1% |
| 20 or more units | 11.0% | 9.6% |
| Mobile home & other | 0.0% | 0.3% |
Poverty & households
| Monmouth Junction | South Amboy | |
|---|---|---|
| Poverty rate | 7.5% | 7.5% |
| Average household size | 2.65 | 2.33 |
| Mean commute (minutes) | 35 | 33 |
| Median year structure built | 1992 | 1958 |
Full profiles
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