Robertsville, New Jersey Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Robertsville, New Jersey is 11,859 as of the 2023 American Community Survey, making it the 118th-largest city in New Jersey. The median household income is $204,421, the median home value is $645,100, and the median age is 41.4.
11,859
Population
2009
People / sq mi
$204,421
Median Income
$645,100
Median Home Value
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Robertsville covers 5.9 sq mi of land at 2009 people per square mile.
About Robertsville, NJ
Homeownership is the standout figure in Robertsville: 94.2% of homes are owner-occupied, higher than the national rate. Robertsville is a city in New Jersey with a population of 11,859.
Earnings sit at the high end: a median household income of $204,421, above the US median of $78,538. Only 4.1% of residents live in poverty, below the national 12.4%. The median home value is $645,100, with typical rent around $2,605.
Robertsville is among the best-educated US cities: 64.1% of adults 25 and older hold a bachelor’s degree, above the national 35.0%. Working from home is common here: 29.2% of workers do so, above the national 14.0%, and the average commute runs about 42 minutes each way.
The ownership rate anchors the housing story in Robertsville, and tends to move with the age structure and home-value figures above.
Race & Ethnicity
| White | 76.2% |
| Black or African American | 1.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.0% |
| Two or More Races | 0.0% |
Economy & Income
$204,421
Median Household Income
$78,121
Per Capita Income
4.1%
Poverty Rate
2.2%
Unemployment Rate
Housing
$645,100
Median Home Value
$2,605
Median Rent
94.2%
Owner-Occupied
Education
94.4%
High School+
64.1%
Bachelor's+
Commute
10.6%
Drive Alone
57.7%
Public Transit
29.2%
Work From Home
41.7 min
Avg Commute
Community Profile
45.7%
Foreign Born
71.9%
Non-English at Home
2.4%
Veterans
7.0%
With Disability
98.4%
Health Insurance
97.7%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 25.9% |
| Finance, Insurance & Real Estate | 25.7% |
| Information | 12.0% |
| Construction | 8.5% |
| Manufacturing | 5.7% |
| Transportation & Warehousing | 5.1% |
| Education, Health Care & Social Services | 2.7% |
| Arts, Entertainment & Food Services | 2.7% |
| Public Administration | 2.5% |
| Retail Trade | 1.3% |
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Frequently Asked Questions
Robertsville, New Jersey has a population of 11,859 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 118th-largest city in New Jersey.
The median household income in Robertsville, New Jersey is $204,421, with 4.1% of residents living below the federal poverty level.
The median home value in Robertsville, New Jersey is $645,100, with median monthly rent at $2,605 and a homeownership rate of 94.2%.
The median age in Robertsville, New Jersey is 41.4 years. The population is 47.0% male and 53.0% female.
Robertsville Cdp, NJ Climate
Robertsville Cdp, NJ has an average annual temperature of 11.6°C (53°F) and receives about 1214 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
11.6°C
Avg Temp
1214
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -1° / 31° | 97 mm |
| February | 0° / 33° | 78 mm |
| March | 5° / 41° | 104 mm |
| April | 10° / 51° | 102 mm |
| May | 16° / 60° | 110 mm |
| June | 21° / 69° | 95 mm |
| July | 24° / 74° | 120 mm |
| August | 23° / 73° | 115 mm |
| September | 19° / 66° | 105 mm |
| October | 13° / 55° | 89 mm |
| November | 8° / 46° | 102 mm |
| December | 2° / 36° | 97 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 Robertsville Cdp, NJ
The most comfortable months to visit Robertsville Cdp, NJ are typically June, September and August, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 29°C high). The coldest is January (near -5°C low). July is usually the wettest month.
Where to stay near Robertsville
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.