The Town FilesMount Arlington, New Jersey
Borough in Morris County · population 5,909 (2020 Census)
- Median home
- $422,900
- Household income
- $92,264
- Jan low / Jul high
- 19° / 84°
- Snow a year
- 29 in
- Tornadoes ≤10 mi since 1950
- 7
- Median age
- 48.1
Mount Arlington is a borough of 5,909 people in Morris County, New Jersey. The median home is worth $422,900, close to the typical New Jersey town ($435,600). It ranks more of a college town than 94% of New Jersey towns, better for a vacation home than 91% of New Jersey towns, hipper than 88% of New Jersey towns.
How Mount Arlington 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 Mount Arlington is worth $422,900, close to the typical New Jersey town ($435,600). Homes cost about 4.6 times the median household income of $92,264, which is more affordable than 25% of New Jersey towns. Median rent is $2,392 a month. 75.2% of households own their home.
| Housing | Mount Arlington | Typical New Jersey town |
|---|---|---|
| Median home value | $422,900 | $435,600 |
| Median rent | $2,392 | $1,774 |
| Median household income | $92,264 | $111,891 |
| Home value ÷ income | 4.6× | 3.8× |
| Homeownership | 75.2% | 80.8% |
| Median year built | 1990 | 1969 |
| Seasonal / vacation homes | 1.9% | — |
Who lives in Mount Arlington
| People | Mount Arlington | Typical New Jersey town |
|---|---|---|
| Median age | 48.1 | 42.7 |
| Age 65 and over | 25.1% | 18.3% |
| Under 18 | 14.4% | — |
| Bachelor's degree or higher | 50.9% | 44.1% |
| Below the poverty line | 4.9% | 5.7% |
| Veterans | 4.1% | — |
| Born outside the U.S. | 15.1% | — |
| Work from home | 21.1% | 16.3% |
| Average commute | 36.5 min | 30.4 min |
| Homes with broadband | 94.0% | 94.6% |
Weather in Mount Arlington
July highs average 83.6°F and January lows 18.9°F. About 48.8 inches of rain and melted snow fall a year, with 29.2 inches of snow (typical New Jersey town: 24.5 in). Expect about 11 days a year at 90°F or hotter and 127 nights at or below freezing.
Tornadoes, storms and disasters
7 tornadoes have passed within 10 miles of Mount Arlington since 1950, compared with 9 for the typical New Jersey town. 2 rated (E)F2 or stronger. The strongest, an F3, struck on May 28, 1973 about 6.4 miles from the town center. The most recent was on July 21, 2026.
Hail of 1 inch or larger has been reported within 10 miles 24 times; the largest was 1.75 inches on July 7, 2013.
Severe weather in Morris County since 1996
Morris County has been included in 33 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 |
| April 28, 2021 | Snowstorm | DR-4597: Severe Winter Storm And Snowstorm |
| December 11, 2020 | Hurricane | DR-4574: Tropical Storm Isaias |
| March 25, 2020 | Biological | DR-4488: Covid-19 Pandemic |
Jobs and pay in Morris County
Morris County had 298,824 jobs in 2024, paying an average of $101,208 a year. Unemployment was 3.7% in 2023; in Mount Arlington itself the ACS puts it at 3.2%.
Public schools in Mount Arlington
2 public schools with 350 students, about 8.3 students per teacher.
| School | Grades | Students | Per teacher |
|---|---|---|---|
| Mount Arlington Public School | 3-8 | 217 | 7.2 |
| Edith M. Decker Elementary School | PK-2 | 133 | 11.1 |
Towns near Mount Arlington
- Landing, NJ1.5 mi · 4,296 people · home $417,400
- Roxbury, NJ2.3 mi · 22,950 people · home $465,700
- Hopatcong, NJ2.4 mi · 14,362 people · home $340,700
- Ledgewood, NJ3.0 mi · 4,903 people · home $460,900
- Lake Hopatcong, NJ3.1 mi · 10,232 people · home $424,200
- Stanhope, NJ3.3 mi · 3,526 people · home $376,700
- Netcong, NJ3.5 mi · 3,375 people · home $346,100
- Mine Hill, NJ3.6 mi · 4,015 people · home $434,100
Mount Arlington questions
Is Mount Arlington, New Jersey a good place to retire?
On The Town Files lifestyle rankings, Mount Arlington scores better for retirees than 78% of New Jersey towns and quieter than 31%. 25.1% of residents are 65 or older (median age 48.1).
How much does a house cost in Mount Arlington?
The median owner-occupied home in Mount Arlington is valued at $422,900 (Census ACS 2020–2024), against a median household income of $92,264, so homes cost about 4.6 times income. Median rent is $2,392 a month.
What is the weather like in Mount Arlington?
July highs average 83.6°F and January lows 18.9°F (NOAA 1991–2020 normals). It gets about 48.8 inches of precipitation a year and 29.2 inches of snow.
Does Mount Arlington get tornadoes?
7 tornadoes have passed within 10 miles of Mount Arlington since 1950 (NOAA Storm Events); the strongest was a F3 on May 28, 1973. 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)