The Town FilesMonmouth Junction, New Jersey
Community in Middlesex County · population 8,895 (2020 Census)
- Median home
- $552,900
- Household income
- $133,585
- Jan low / Jul high
- 21° / 87°
- Snow a year
- 24 in
- Tornadoes ≤10 mi since 1950
- 10
- Median age
- 39.9
Monmouth Junction is a community of 8,895 people in Middlesex County, New Jersey. The median home is worth $552,900, above the typical New Jersey town ($435,600). It ranks better for young professionals than 93% of New Jersey towns, better for cycling than 88% of New Jersey towns, better transit than 79% of New Jersey towns.
How Monmouth Junction ranks
Percentile among New Jersey towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of New Jersey towns.
Homes and cost of living
The median home in Monmouth Junction is worth $552,900, above the typical New Jersey town ($435,600). Homes cost about 4.1 times the median household income of $133,585, which is more affordable than 39% of New Jersey towns. Median rent is $1,935 a month. 64.1% of households own their home.
| Housing | Monmouth Junction | Typical New Jersey town |
|---|---|---|
| Median home value | $552,900 | $435,600 |
| Median rent | $1,935 | $1,774 |
| Median household income | $133,585 | $111,891 |
| Home value ÷ income | 4.1× | 3.8× |
| Homeownership | 64.1% | 80.8% |
| Median year built | 1992 | 1969 |
| Seasonal / vacation homes | 0.0% | — |
Who lives in Monmouth Junction
| People | Monmouth Junction | Typical New Jersey town |
|---|---|---|
| Median age | 39.9 | 42.7 |
| Age 65 and over | 12.9% | 18.3% |
| Under 18 | 21.5% | — |
| Bachelor's degree or higher | 75.8% | 44.1% |
| Below the poverty line | 6.2% | 5.7% |
| Veterans | 0.9% | — |
| Born outside the U.S. | 48.3% | — |
| Work from home | 27.0% | 16.3% |
| Average commute | 35.0 min | 30.4 min |
| Homes with broadband | 97.5% | 94.6% |
Weather in Monmouth Junction
July highs average 86.7°F and January lows 21.4°F. About 47.5 inches of rain and melted snow fall a year, with 23.7 inches of snow (typical New Jersey town: 24.5 in). Expect about 26 days a year at 90°F or hotter and 114 nights at or below freezing.
Tornadoes, storms and disasters
10 tornadoes have passed within 10 miles of Monmouth Junction since 1950, compared with 9 for the typical New Jersey town. 3 rated (E)F2 or stronger. The strongest, an F3, struck on October 18, 1990 about 5.9 miles from the town center. The most recent was on February 21, 2023.
Hail of 1 inch or larger has been reported within 10 miles 20 times; the largest was 1.75 inches on July 22, 2003.
Severe weather in Middlesex County since 1996
Middlesex County has been included in 30 federal disaster or emergency declarations since 1953, most often for fire, flood, other.
| Declared | Incident | Declaration |
|---|---|---|
| September 5, 2021 | Hurricane | DR-4614: Remnants Of Hurricane Ida |
| September 2, 2021 | Hurricane | EM-3573: Remnants Of Hurricane Ida |
| March 25, 2020 | Biological | DR-4488: Covid-19 Pandemic |
| March 13, 2020 | Biological | EM-3451: Covid-19 |
| March 14, 2016 | Severe Storm | DR-4264: Severe Winter Storm And Snowstorm |
Jobs and pay in Middlesex County
Middlesex County had 430,555 jobs in 2024, paying an average of $82,400 a year. Unemployment was 4.1% in 2023; in Monmouth Junction itself the ACS puts it at 4.3%.
Public schools in Monmouth Junction
6 public schools with 5,541 students, about 12.7 students per teacher.
| School | Grades | Students | Per teacher |
|---|---|---|---|
| South Brunswick High School | 9-12 | 2,728 | 13.9 |
| Crossroads North Middle School | 6-8 | 961 | 12.0 |
| Crossroads South Middle School | 6-8 | 923 | 10.5 |
| Brooks Crossing Elementary School | K-5 | 540 | 10.8 |
| Monmouth Junction Elementary School | K-5 | 281 | 12.2 |
| Deans Elementary School | PK-PK | 108 | — |
Towns near Monmouth Junction
- Heathcote, NJ1.5 mi · 7,154 people · home $567,500
- South Brunswick, NJ1.9 mi · 47,043 people · home $582,700
- Kendall Park, NJ2.6 mi · 9,989 people · home $590,300
- Dayton, NJ2.6 mi · 8,138 people · home $496,600
- Princeton Meadows, NJ2.8 mi · 14,776 people · home $665,700
- Plainsboro, NJ2.9 mi · 24,084 people · home $683,100
- Plainsboro Center, NJ3.6 mi · 2,760 people · home $483,300
- Cranbury, NJ4.8 mi · 3,842 people · home $889,400
Monmouth Junction questions
Is Monmouth Junction, New Jersey a good place to retire?
On The Town Files lifestyle rankings, Monmouth Junction scores better for retirees than 44% of New Jersey towns and quieter than 41%. 12.9% of residents are 65 or older (median age 39.9).
How much does a house cost in Monmouth Junction?
The median owner-occupied home in Monmouth Junction is valued at $552,900 (Census ACS 2020–2024), against a median household income of $133,585, so homes cost about 4.1 times income. Median rent is $1,935 a month.
What is the weather like in Monmouth Junction?
July highs average 86.7°F and January lows 21.4°F (NOAA 1991–2020 normals). It gets about 47.5 inches of precipitation a year and 23.7 inches of snow.
Does Monmouth Junction get tornadoes?
10 tornadoes have passed within 10 miles of Monmouth Junction since 1950 (NOAA Storm Events); the strongest was a F3 on October 18, 1990. The typical New Jersey town has had 9.
- U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024)
- U.S. Census Bureau, 2020 Census and 2025 Gazetteer (2020 / 2025)
- NOAA NCEI U.S. Climate Normals (1991–2020)
- NOAA NCEI Storm Events Database (1950–2026)
- FEMA OpenFEMA Disaster Declarations (this product uses the FEMA OpenFEMA API but is not endorsed by FEMA) (1953–2026)
- NCES Common Core of Data (2023–24)
- BLS Quarterly Census of Employment and Wages; USDA ERS county unemployment (BLS LAUS) (2000–2024)
- The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025)