Rocky Hill borough, New Jersey demographics
Population: 752
Median age: 47.0
Median household income: 126,389
Rocky Hill is a borough in Somerset County, New Jersey, United States.
Demographics, population, home values, social and economic characteristics of Rocky Hill borough, NJ.
Population
| 2021 | 752 |
| 2020 | 655 |
| 2019 | 636 |
| 2018 | 598 |
| 2017 | 622 |
| 2016 | 618 |
| 2015 | 615 |
| 2014 | 554 |
| 2013 | 543 |
| 2012 | 546 |
| 2011 | 584 |
| 2010 | 579 |
Census data for Rocky Hill borough, New Jersey
Demographic and housing estimates in Rocky Hill borough, New Jersey
| Total population | 752 |
| Male | 406 |
| Female | 346 |
| Total population | 752 |
| Under 5 years | 43 |
| 5 to 9 years | 46 |
| 10 to 14 years | 40 |
| 15 to 19 years | 49 |
| 20 to 24 years | 45 |
| 25 to 34 years | 47 |
| 35 to 44 years | 96 |
| 45 to 54 years | 59 |
| 55 to 59 years | 88 |
| 60 to 64 years | 98 |
| 65 to 74 years | 91 |
| 75 to 84 years | 38 |
| 85 years and over | 12 |
| Median age (years) | 47.0 |
| Under 18 years | 149 |
| 16 years and over | 620 |
| 18 years and over | 603 |
| 21 years and over | 568 |
| 62 years and over | 187 |
| 65 years and over | 141 |
| Total population | 752 |
| One race | 727 |
| White | 685 |
| Black or African American | 16 |
| American Indian and Alaska Native | 2 |
| Asian | 17 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 7 |
| Two or more races | 25 |
| Citizen, VOTING AGE 18 and over population | 570 |
| Male Citizen, VOTING AGE 18 and over population | 295 |
| Female Citizen, VOTING AGE 18 and over population | 275 |
Social characteristics in Rocky Hill borough, New Jersey
| Total households | 280 |
| Family households (families) | 162 |
| Married-couple family | 9 |
| Male householder, no wife present, family | 48 |
| Female householder, no husband present, family | 40 |
| Nonfamily households | 61 |
| Average household size | 97 |
| Average family size | 2.63 |
Economic characteristics in Rocky Hill borough, New Jersey
| Total households | 280 |
| Less than $10,000 | 3 |
| $10,000 to $14,999 | 2 |
| $15,000 to $24,999 | 6 |
| $25,000 to $34,999 | 10 |
| $35,000 to $49,999 | 11 |
| $50,000 to $74,999 | 40 |
| $75,000 to $99,999 | 37 |
| $100,000 to $149,999 | 49 |
| $150,000 to $199,999 | 24 |
| $200,000 or more | 98 |
| Median household income (dollars) | 126,389 |
Housing characteristics in Rocky Hill borough, New Jersey
| Total housing units | 298 |
| Occupied housing units | 280 |
| Vacant housing units | 18 |
| Total housing units | 298 |
| 1-unit, detached | 222 |
| 1-unit, attached | 35 |
| 2 units | 16 |
| 3 or 4 units | 11 |
| 5 to 9 units | 14 |
| 10 to 19 units | 0 |
| 20 or more units | 0 |
| Mobile home | 0 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 298 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 4 |
| Built 2000 to 2009 | 0 |
| Built 1990 to 1999 | 0 |
| Built 1980 to 1989 | 14 |
| Built 1970 to 1979 | 14 |
| Built 1960 to 1969 | 100 |
| Built 1950 to 1959 | 17 |
| Built 1940 to 1949 | 15 |
| Built 1939 or earlier | 134 |
| Total housing units | 298 |
| 1 room | 0 |
| 2 rooms | 2 |
| 3 rooms | 10 |
| 4 rooms | 15 |
| 5 rooms | 39 |
| 6 rooms | 33 |
| 7 rooms | 61 |
| 8 rooms | 71 |
| 9 rooms or more | 67 |
| Median rooms | 7.3 |
| Total housing units | 298 |
| No bedroom | 2 |
| 1 bedroom | 18 |
| 2 bedrooms | 66 |
| 3 bedrooms | 95 |
| 4 bedrooms | 100 |
| 5 or more bedrooms | 17 |
| Occupied housing units | 280 |
| Owner-occupied | 241 |
| Renter-occupied | 39 |
| Average household size of owner-occupied unit | 2.80 |
| Average household size of renter-occupied unit | 1.59 |
| Occupied housing units | 280 |
| Moved in 2017 or later | 13 |
| Moved in 2015 to 2016 | 45 |
| Moved in 2010 to 2014 | 49 |
| Moved in 2000 to 2009 | 59 |
| Moved in 1990 to 1999 | 55 |
| Moved in 1989 and earlier | 59 |
| Owner-occupied units | 241 |
| Less than $50,000 | 0 |
| $50,000 to $99,999 | 0 |
| $100,000 to $149,999 | 0 |
| $150,000 to $199,999 | 2 |
| $200,000 to $299,999 | 19 |
| $300,000 to $499,999 | 95 |
| $500,000 to $999,999 | 117 |
| $1,000,000 or more | 8 |
| Median (dollars) | 510,200 |
| Owner-occupied units | 241 |
| Housing units with a mortgage | 124 |
| Housing units without a mortgage | 117 |
| Occupied units paying rent | 36 |
| Less than $500 | 0 |
| $500 to $999 | 4 |
| $1,000 to $1,499 | 14 |
| $1,500 to $1,999 | 18 |
| $2,000 to $2,499 | 0 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 0 |
| Median (dollars) | 1,500 |
| No rent paid | 3 |
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