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.
Martinsville Cdp, NJ Climate
Martinsville Cdp, NJ has an average annual temperature of 10.8°C (51°F) and receives about 1276 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
10.8°C
Avg Temp
1276
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -2° / 28° | 100 mm |
| February | -1° / 31° | 79 mm |
| March | 4° / 39° | 104 mm |
| April | 10° / 49° | 107 mm |
| May | 15° / 60° | 120 mm |
| June | 20° / 68° | 106 mm |
| July | 23° / 73° | 130 mm |
| August | 22° / 72° | 114 mm |
| September | 18° / 65° | 114 mm |
| October | 12° / 53° | 97 mm |
| November | 7° / 44° | 107 mm |
| December | 1° / 34° | 98 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Martinsville Cdp, NJ
The most comfortable months to visit Martinsville Cdp, NJ are typically June, August and July, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 29°C high). The coldest is January (near -7°C low). July is usually the wettest month.
Where to stay near Martinsville
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.