Mount Arlington borough, New Jersey Demographics & Population 2026
As of 2026, Mount Arlington borough, New Jersey has a total population of 5,901, the 263rd largest city in New Jersey, with a median household income of $99,511, which is 2% lower than the state average. The poverty rate is 6.3%.
Mount Arlington borough Quick Facts
How Mount Arlington borough Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 65 | National average: 60
Education
Educational Attainment (Adults 25+)
Mount Arlington borough Rankings in New Jersey
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Other Cities in Morris County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Morristown town | 20,256 | $115,409 | 9.2% | $552,800 |
| Dover town | 18,420 | $70,519 | 11.6% | $347,100 |
| Madison borough | 16,464 | $168,469 | 2.8% | $882,900 |
| Florham Park borough | 13,134 | $147,714 | 7.8% | $722,700 |
| Lincoln Park borough | 10,901 | $119,000 | 3.4% | $419,500 |
| Kinnelon borough | 9,971 | $178,102 | 2.0% | $682,600 |
| Chatham borough | 9,219 | $250,001 | 2.5% | $944,300 |
| Boonton town | 8,803 | $100,417 | 7.5% | $475,300 |
| Butler borough | 8,072 | $110,375 | 9.3% | $425,900 |
| Wharton borough | 7,254 | $92,548 | 18.8% | $348,100 |
Cities Similar to Mount Arlington borough
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Vauxhall CDP | 5,875 | $106,962 | $354,300 | 30.9% | 7.7% |
| Belmar borough | 5,861 | $92,859 | $771,400 | 51.1% | 8.6% |
| Hightstown borough | 5,869 | $107,431 | $333,200 | 36.7% | 1.5% |
| Finderne CDP | 5,968 | $109,348 | $391,700 | 44.6% | 7.5% |
| Yardville CDP | 6,266 | $100,776 | $326,400 | 31.9% | 13.1% |
Population Overview
Mount Arlington borough is a small city located in New Jersey, within Morris County. The total population is 5,901. It ranks as the 263rd most populous out of 700 cities and towns in New Jersey.
Age Demographics
The median age in Mount Arlington borough is 45.7 years. This is 14% higher than the state median of 40.1 years. 10.7% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Mount Arlington borough is $99,511. This is 2% lower than the state median of $101,050. Compared to the national median of $78,538, household income here is 27% higher. The poverty rate stands at 6.3%. This is 36% lower than the state poverty rate of 9.8%. The unemployment rate is 2.9%. This is 52% lower than the state rate of 6.2%. The median home value is $393,400. Housing costs are 8% lower than the state median of $427,600. The home-value-to-income ratio is 4.0x. 71.7% of occupied housing units are owner-occupied. This homeownership rate is 13% higher than the state average of 63.7%.
Race & Ethnicity
The largest racial or ethnic group in Mount Arlington borough is White (non-Hispanic), making up 75.3% of the population. Hispanic or Latino residents account for 18.8%. The Black or African American population (3.0%) is well below the state average of 12.3%. The Asian population (2.1%) is well below the state average of 9.8%.
Education
48.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 14% higher than the state rate of 42.9%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 97.9%. Notably, 16.7% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Mount Arlington borough, New Jersey is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. 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. For official data, visit data.census.gov.
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Frequently Asked Questions
What is the population of Mount Arlington borough, New Jersey?
Mount Arlington borough, New Jersey has a population of 5,901 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Mount Arlington borough, NJ?
The median household income in Mount Arlington borough is $99,511, which is 27% higher the national median of $78,538.
What is the poverty rate in Mount Arlington borough, NJ?
The poverty rate in Mount Arlington borough is 6.3%. This means approximately 370 residents live below the federal poverty line.
What is the racial makeup of Mount Arlington borough, New Jersey?
Mount Arlington borough's population is 75.3% White, 3.0% Black, 18.8% Hispanic/Latino, and 2.1% Asian.
What is the median home value in Mount Arlington borough, NJ?
The median home value in Mount Arlington borough is $393,400. The home-value-to-income ratio is 4.0x.
How educated is Mount Arlington borough, New Jersey?
48.8% of adults (25+) in Mount Arlington borough hold a bachelor's degree or higher, and 16.7% hold a graduate or professional degree.