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Rocky Hill borough, Somerset County, NJ

819 Population
0.6 square miles 1,343.7 people per square mile

Census data: ACS 2024 5-year unless noted

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Demographics

44.5 ±6.8 Median age
  • a little higher than the figure in Somerset County: 41.8 ±0.2
  • about 10 percent higher than the figure in New Jersey: 40.1 ±0.1
  • about 10 percent higher than the figure in United States: 38.9 ±0.1

Economics

$80,279 ±$7,909 Per capita income
  • about 10 percent higher than the amount in Somerset County: $72,193 ±$1,184
  • about 1.5 times the amount in New Jersey: $54,253 ±$256
  • nearly double the amount in United States: $44,673 ±$122
$148,056 ±$46,157 Median household income
  • a little higher than the amount in Somerset County: $140,374 ±$3,294
  • about 1.4 times the amount in New Jersey: $103,556 ±$513
  • nearly double the amount in United States: $80,734 ±$166

3.9% ±1.7% (32  ±15) Persons below poverty line
  • about three-quarters of the rate in Somerset County: 5.4% † 18,637 (±0.6% / ±2,094)
  • about two-fifths of the rate in New Jersey: 9.7% 891,891 (±0.2% / ±14,073)
  • about one-third of the rate in United States: 12.5% 40,735,660 (±0.1% / ±275,861)

22.6 minutes ±10.1 (7,055  ±2,057) Mean travel time to work
  • about three-quarters of the figure in Somerset County: 31.4 4,525,480 (±0.6 / ±120,315)
  • about three-quarters of the figure in New Jersey: 30.5 116,289,230 (±0.1 / ±571,910)
  • about 90 percent of the figure in United States: 26.4 3,569,606,700 (±0 / ±5,719,373)

Families

318 ±67 Number of households
  • Somerset County: 130,802 ±435
  • New Jersey: 3,507,701 ±5,116
  • United States: 129,227,496 ±209,365
2.5 ±0.7 (804  ±152) Persons per household
  • a little less than the figure in Somerset County: 2.6 345,878 (±0 / ±75)
  • a little less than the figure in New Jersey: 2.6 9,173,351
  • about the same as the figure in United States: 2.5 326,722,430

8.1% ±5.8% (12  ±9) Women 15-50 who gave birth during past year
  • about 1.5 times the rate in Somerset County: 5.5% † 4,324 (±0.7% / ±533)
  • about 1.5 times the rate in New Jersey: 5.2% 110,552 (±0.1% / ±2,477)
  • about 1.5 times the rate in United States: 5.1% 4,009,203 (±0% / ±20,898)

Housing

320 ±67 Number of housing units
  • Somerset County: 133,639 ±156
  • New Jersey: 3,791,354 ±469
  • United States: 143,775,360 ±10,234

$597,200 ±$31,475 Median value of owner-occupied housing units
  • about 10 percent higher than the amount in Somerset County: $552,100 ±$7,374
  • about 1.3 times the amount in New Jersey: $454,400 ±$1,150
  • nearly double the amount in United States: $332,700 ±$236

7.1% ±3.9% (57  ±33) Moved since previous year
  • about 80 percent of the rate in Somerset County: 9.1% 31,614 (±0.8% / ±2,716.9)
  • about three-quarters of the rate in New Jersey: 9.6% 889,792 (±0.1% / ±13,145.6)
  • about three-fifths of the rate in United States: 12.3% 40,747,183 (±0% / ±136,530.8)

Social

98.1% ±22.4% (553  ±75) High school grad or higher
  • a little higher than the rate in Somerset County: 94% 233,031 (±1.4% / ±3,419.7)
  • about 10 percent higher than the rate in New Jersey: 90.7% 5,915,947 (±0.3% / ±19,889.6)
  • about 10 percent higher than the rate in United States: 89.6% 206,814,894 (±0.1% / ±283,951.7)
71.1% ±16.8% (401  ±59.5) Bachelor's degree or higher
  • about 25 percent higher than the rate in Somerset County: 57.8% 143,265 (±1% / ±2,551.1)
  • more than 1.5 times the rate in New Jersey: 43.6% 2,845,933 (±0.2% / ±12,951.6)
  • about double the rate in United States: 35.7% 82,363,217 (±0.1% / ±182,857.7)

N/A Persons with language other than English spoken at home

11.4% ±6% (93  ±52) Foreign-born population
  • about two-fifths of the rate in Somerset County: 27.9% 97,494
  • about half the rate in New Jersey: 23.9% 2,236,554
  • about 80 percent of the rate in United States: 14.1% 47,349,080

3.3% ±1.8% (21  ±12) Population with veteran status
  • about the same as the rate in Somerset County: 3.2% 8,875 (±0.3% / ±733)
  • about 90 percent of the rate in New Jersey: 3.7% 273,031 (±0.1% / ±4,211)
  • about half the rate in United States: 6.2% 16,185,883 (±0% / ±45,251)
21 Total veterans ±12 12 Male ±9 9 Female ±10

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