Rocky Hill borough is located in Somerset County New Jersey. Rocky Hill borough has a 2024 population of 738. Rocky Hill borough is currently declining at a rate of -0.27% annually and its population has decreased by -0.4% since the most recent census, which recorded a population of 741 in 2020.
The average household income in Rocky Hill borough is $195,779 with a poverty rate of 4.3%. The median age in Rocky Hill borough is 42.8 years: 41.7 years for males, and 44.3 years for females.
According to the most recent ACS, the racial composition of Rocky Hill borough was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 696 | 85.5% |
| Two or more races | 45 | 5.53% |
| Asian | 33 | 4.05% |
| Other race | 33 | 4.05% |
| Black or African American | 7 | 0.86% |
| Native American | 0 | 0% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
White
Two or more races
Asian
Other race
Black or African American
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 319 | 2.51 | 75.9 | 24.1 |
| Non Family | 136 | 1.27 | 52.9 | 47.1 |
| Married | 132 | 3.82 | 92.4 | 7.6 |
| Female | 40 | 2.05 | 92.5 | 7.5 |
| Male | 11 | 3.73 | 100 | 0 |
3.36
Average Family Size
2.51
Average Household Size
75.9%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 2 | 0.36% |
| Associates Degree | 24 | 4.38% |
| Bachelors Degree | 202 | 36.86% |
| Graduate Degree | 195 | 35.58% |
| High School Graduate | 68 | 12.41% |
| Less Than 9th Grade | 2 | 0.36% |
| Some College | 55 | 10.04% |
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 460 | 457 | 338 |
| Hispanic | 34 | 34 | 11 |
| 2+ Races | 27 | 27 | 19 |
| Other Race | 19 | 19 | 19 |
| Asian | 19 | 18 | 16 |
| Black | 3 | 3 | 3 |
The highest rate of high school graduation is among black people with a rate of 100%.
The highest rate of bachelors degrees is among black people with a rate of 100%.
All
Male
Female
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $90,208 | $0 | $80,789 |
| Graduate Degree | $101,071 | $118,333 | $91,250 |
| High School Graduate | $33,162 | $16,250 | $33,676 |
| Less Than 9th Grade | $0 | $0 | $0 |
| Overall | $81,510 | $103,370 | $72,321 |
| Some College | $74,375 | $102,763 | $70,536 |
$81,510
Average Earnings
$103,370
Average Male
$72,321
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
79.66% of Rocky Hill borough residents speak only English, while 20.34% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 13.47% of the population.
rate
Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 657 | 24 | 3.65% |
| Hispanic | 69 | 10 | 14.49% |
| Other | 33 | 8 | 24.24% |
| Multiple | 45 | 2 | 4.44% |
| Asian | 33 | 1 | 3.03% |
4.3%
Overall Poverty Rate
6.58%
Male Poverty Rate
1.61%
Female Poverty Rate
The race most likely to be in poverty in Rocky Hill borough is Other, with 24.24% below the poverty level.
The race least likely to be in poverty in Rocky Hill borough is Asian, with 3.03% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0%. Among those working part-time, it was 1.96%, and for those that did not work, the poverty rate was 16.67%.
rate
Rate | Poverty |
|---|---|
| Less Than 9th Grade | 100% |
| High School | 17.65% |
| Some College | 3.8% |
| Bachelors or Greater | 0.76% |
rate
Rate | Poverty |
|---|---|
| Male Unemployed | 47.83% |
| Female Employed | 0.93% |
| Male Employed | 0% |
| Female Unemployed | 0% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $166,563 | $237,834 |
| Households | $127,344 | $195,779 |
| Married Families | $231,250 | $-999,999,999 |
| Non Families | $86,500 | $125,224 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
44.1%
Overall Marriage Rate
39.9%
Male Marriage Rate
48.6%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 35-44.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
22
Number of Veterans
13
Male Veterans
9
Female Veterans
War | Veterans |
|---|---|
| Second Gulf War | 9 |
| Vietnam | 3 |
| First Gulf War | 0 |
| Korea | 0 |
| World War II | 0 |
count
Age Group | Veterans |
|---|---|
| 75+ | 10 |
| 35 to 54 | 9 |
| 65 to 74 | 3 |
| 18 to 34 | 0 |
| 55 to 64 | 0 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 22 | 3.87% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0%
Veteran Poverty Rate
45.45%
Veteran Disability Rate
LaborForceParticipation
69.7%
Labor Force Participation
65.5%
Employment Rate
6.1%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
41.28%
Born in Rocky Hill borough
83.91%
Native Born
16.09%
Foreign Born
3.69%
Non Citizen
12.41%
Naturalized
83.91% of Rocky Hill borough residents were born in the United States, with 41.28% having been born in New Jersey. 3.69% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.
Year | Population | Growth | Change |
|---|---|---|---|
| 2029 | 728 | -2 | -0.27% |
| 2028 | 730 | -2 | -0.27% |
| 2027 | 732 | -2 | -0.27% |
| 2026 | 734 | -2 | -0.27% |
| 2025 | 736 | -2 | -0.27% |
| 2024 | 738 | -2 | -0.27% |
| 2023 | 740 | -2 | -0.27% |
| 2022 | 742 | 0 | 0% |
| 2021 | 742 | 1 | 0.13% |
| 2020 | 741 | 70 | 10.43% |
| 2019 | 671 | -5 | -0.74% |
| 2018 | 676 | -1 | -0.15% |
| 2017 | 677 | -2 | -0.29% |
| 2016 | 679 | -2 | -0.29% |
| 2015 | 681 | -3 | -0.44% |
| 2014 | 684 | -2 | -0.29% |
| 2013 | 686 | 2 | 0.29% |
| 2012 | 684 | -2 | -0.29% |
| 2011 | 686 | 3 | 0.44% |
| 2010 | 683 | 0 | 0% |