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CITY · 2020 ACS

Rocky Hill

New Jersey · 743 residents · 0.61 sq mi
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The short version

Rocky Hill is significantly wealthier than the US average, with a median household income of $111,346. Population has held roughly steady since 2000. 77% of adults hold a bachelor's degree or higher, well above the national rate of 33%. Median home value has more than doubled since 2000, reaching $515,300. Poverty is rare here, at 3.8% of residents. Households here earn about 31% more than the New Jersey median.

At a glance
Wealthier
above the US median
US median: $66,278
Older
median age 41.5
US median: 38.8
More educated
77% hold a bachelor's degree
US average: 33%
Less affordable
home values up 28%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
743
+12%since 2000
from 662 in 2000
1990 – 2025
Population density
1,218 / sq mi
+12%since 2000
from 1,085 / sq mi in 2000
US average: 280
Median age
41.5
−5%since 2000
from 43.8 in 2000
US average: 38.8
Population, 1990 – 2024
5155986817648471990201020202024Rocky Hill
2024819
1990201020202024
Section 02

Income & economy

Median household income
$111,346
−7%inflation adjusted, since 2000
from $79,469 in 2000
US average: $66,278
1990 – 2024
Per capita income
$68,849
+42%since 2000
from $48,357 in 2000
US average: $35,364
Households earning $100K+
68.4%
+5.9 ptssince 2009
from 62.5% in 2009
US average: 43.9%
Poverty rate
3.8%
+1.1 ptssince 2000
from 2.7% in 2000
US average: 12.8%
Workforce by industry, 2020
Retail trade9.7%
US avg: 10%
Other services9.7%
US avg: 6.6%
Transportation & warehousing7%
US avg: 2.5%
Public administration4.3%
US avg: 4.7%
Finance & insurance3.7%
US avg: 5.5%
Information3%
US avg: 11.1%
Professional, scientific, technical3%
US avg: 4.7%
Wholesale trade2%
US avg: 6.7%
Arts, entertainment, food1.3%
US avg: 2%
Education & health services0.7%
US avg: 0.8%
Agriculture, forestry, fishing0%
US avg: 1.7%
Construction0%
US avg: 1.2%
Manufacturing0%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$515,300
+28%inflation adjusted, since 2000
from $268,200 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$1,700
+24%inflation adjusted, since 2000
from $914 in 2000
US average: $1,124
Owner-occupied
76.6%
−4.0 ptssince 2000
from 80.6% in 2000
23.4% rent
Afford Score
4.6
+37%since 2000
from 3.4 in 2000
1990 – 2024
RELATED:See current rent listings in Rocky Hill on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic91.8%(608)
Black1.4%(9)
Hispanic / Latino3.9%(26)
Asian0.5%(3)
Other0%
Diversity Score14%(93)
2020
White, non-Hispanic81.3%(604)
Black0.4%(3)
Hispanic / Latino9.4%(70)
Asian4.8%(36)
Other3.4%(25)
Diversity Score39.7%(295)
Diversity Score
40
+183%since 2000
from 14 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
77.0%
+17.4 ptssince 2000
from 59.7% in 2000
US average: 32.9%
High school or higher
96.7%
+0.7 ptssince 2000
from 96.0% in 2000
US average: 88.5%
Graduate degree
42.2%
+13.1 ptssince 2000
from 29.1% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
21.6 min
+51%since 2000
from 14.3 min in 2000
US average: 26.9
Drive alone to work
68.1%
−0.9 ptssince 2009
from 69.1% in 2009
US average: 75.1%
No vehicle available
0.9%
+0.9 ptssince 2009
from 0.0% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
6.3%
+3.4 ptssince 2011
from 2.9% in 2011
US average: 5.4%
Labor force participation
61.1%
−0.9 ptssince 2011
from 62.0% in 2011
US average: 63.4%
Management & professional
62.9%
−13.7 ptssince 2009
from 76.6% in 2009
US average: 39.3%
Section 08

People & community

Male
53.1%
−2.2 ptssince 2009
from 55.3% in 2009
Female
46.9%
+2.2 ptssince 2009
from 44.7% in 2009
Foreign born
16.9%
+12.6 ptssince 2009
from 4.3% in 2009
US average: 13.5%
Uninsured
1.4%
−94.2 ptssince 2013
from 95.6% in 2013
US average: 8.8%
Drill deeper

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Compare Rocky Hill to nearby cities

ROCKY HILL VS
Princeton
Income$192,079+73%
Home value$1,050,600+104%
Population31,469+4090%
SEE FULL COMPARISON →
ROCKY HILL VS
Kendall Park
Income$165,958+49%
Home value$590,300+15%
Population10,011+1233%
SEE FULL COMPARISON →
ROCKY HILL VS
Monmouth Junction
Income$133,585+20%
Home value$552,900+7%
Population9,141+1117%
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ROCKY HILL VS
Princeton Meadows
Income$131,213+18%
Home value$665,700+29%
Population15,561+1972%
SEE FULL COMPARISON →
Frequently asked

How many people live in Rocky Hill, New Jersey?

Rocky Hill, New Jersey has about 743 residents according to the 2020 American Community Survey.

What is the median household income in Rocky Hill, New Jersey?

The typical household in Rocky Hill, New Jersey earns about $111,346 a year. Half of households make more than that, and half make less.

Is Rocky Hill, New Jersey expensive?

In Rocky Hill, New Jersey, the median home is worth about $515,300, and the typical rent is about $1,700 a month.

How educated are people in Rocky Hill, New Jersey?

About 77.0% of adults age 25 and over in Rocky Hill, New Jersey hold a bachelor's degree or higher.

What is the poverty rate in Rocky Hill, New Jersey?

About 3.8% of people in Rocky Hill, New Jersey live below the federal poverty line.

Has Rocky Hill, New Jersey grown since 1990?

Yes, Rocky Hill, New Jersey has grown since 1990. The population has added about 62 residents, a change of about 9 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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