Martinsville, New Jersey Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Martinsville, New Jersey is 12,016 as of the 2023 American Community Survey, making it the 117th-largest city in New Jersey. The median household income is $206,839, the median home value is $702,700, and the median age is 45.9.
12,016
Population
989
People / sq mi
$206,839
Median Income
$702,700
Median Home Value
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Martinsville covers 12.2 sq mi of land at 989 people per square mile.
About Martinsville, NJ
The poverty rate is what most separates Martinsville from the typical city: 0.6% of residents live below the federal poverty line, against 12.4% nationally. Martinsville is a city in New Jersey with a population of 12,016.
Income is a real outlier — the median household pulls in $206,839, putting Martinsville near the top of US cities. Very few residents live in poverty — 0.6%, below the national 12.4%. The median home value is $702,700, with typical rent around $2,183.
Martinsville is among the best-educated US cities: 71.9% of adults 25 and older hold a bachelor’s degree, above the national 35.0%. Remote work is on the higher side at 23.5%, above the national 14.0%, and the average commute runs about 35 minutes each way.
Race & Ethnicity
| White | 72.2% |
| Black or African American | 2.9% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.2% |
| Two or More Races | 0.0% |
Economy & Income
$206,839
Median Household Income
$90,694
Per Capita Income
0.6%
Poverty Rate
1.5%
Unemployment Rate
Housing
$702,700
Median Home Value
$2,183
Median Rent
94.5%
Owner-Occupied
Education
98.3%
High School+
71.9%
Bachelor's+
Commute
3.6%
Drive Alone
68.7%
Public Transit
23.5%
Work From Home
35.1 min
Avg Commute
Community Profile
21.4%
Foreign Born
79.8%
Non-English at Home
3.0%
Veterans
8.0%
With Disability
99.4%
Health Insurance
98.4%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 21.3% |
| Finance, Insurance & Real Estate | 18.9% |
| Information | 16.2% |
| Manufacturing | 15.0% |
| Construction | 4.7% |
| Education, Health Care & Social Services | 4.2% |
| Transportation & Warehousing | 3.0% |
| Arts, Entertainment & Food Services | 2.8% |
| Retail Trade | 2.4% |
| Public Administration | 1.1% |
| Agriculture & Mining | 0.3% |
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Frequently Asked Questions
Martinsville, New Jersey has a population of 12,016 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 117th-largest city in New Jersey.
The median household income in Martinsville, New Jersey is $206,839, with 0.6% of residents living below the federal poverty level.
The median home value in Martinsville, New Jersey is $702,700, with median monthly rent at $2,183 and a homeownership rate of 94.5%.
The median age in Martinsville, New Jersey is 45.9 years. The population is 49.2% male and 50.8% female.
Where to stay in Martinsville
Visiting or relocating to Martinsville, NJ? Compare hotels and short-term rentals across the metro — live availability and prices.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.