Also See Morganville, NJ: ZIP Codes & Maps
The Robertsville CDP(1) had a population of 11,343 as of July 1, 2025.
The primary coordinate point for Robertsville is located at latitude 40.3462 and longitude -74.2879 in Monmouth County. The formal boundaries for the Robertsville Census Designated Place encompass a land area of 5.92 sq. miles and a water area of 0.01 sq. miles. Monmouth County is in the Eastern time zone (GMT -5).
The Robertsville Census Designated Place has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.
The Robertsville Census Designated Place is located within Township of Marlboro, a minor civil division (MCD) of Monmouth County.
POPULATION | |
|---|---|
| Total Population | 11,343 (100%) |
| Population in Households | 11,343 (100.0%) |
| Population in Families | 10,524 (92.8%) |
| Population in Group Quarters1 | 0 |
| Population Density | 1,922 |
| Diversity Index2 | 49 |
INCOME | |
| Median Household Income | $190,217 |
| Average Household Income | $223,676 |
| % of Income for Mortgage4 | 24% |
| Per Capita Income | $74,716 |
| Wealth Index5 | 257 |
| Socioeconomic Status Index6 | High (67.5) |
HOUSING | |
|---|---|
| Total HU (Housing Units) | 3,855 (100%) |
| Owner Occupied HU | 3,567 (92.5%) |
| Renter Occupied HU | 222 ( 5.8%) |
| Vacant Housing Units | 66 ( 1.7%) |
| Median Home Value | $738,412 |
| Average Home Value | $774,130 |
| Housing Affordability Index3 | 89 |
HOUSEHOLDS | |
| Total Households | 3,789 |
| Average Household Size | 2.99 |
| Family Households | 3,179 |
| Average Family Size | 3.00 |
GROWTH RATE / YEAR |
2020-2025 | 2025-2030 |
|---|---|---|
| Population | -0.09% | -0.39% |
| Households | 0.16% | -0.11% |
| Families | -0.16% | |
| Median Household Income | 1.86% | |
| Per Capita Income | 1.59% | |
| Owner Occupied HU | -0.03% |
The table below compares Robertsville to the other 700 incorporated cities, towns and CDPs in New Jersey by rank and percentile using July 1, 2025 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
| Variable Description | Rank | Percentile |
|---|---|---|
| Total Population | # 128 | 82nd |
| Population Density | # 383 | 45th |
| Median Household Income | # 69 | 90th |
| Housing Affordability Index | # 488 | 70th |
| Per Capita Income | # 159 | 77th |
| Diversity Index | # 411 | 41st |
Additional comparisons and rankings can be made with a VERY EASY TO USE New Jersey Census Data Comparison Tool.
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