Harlingen vs Rocky Hill

A side-by-side comparison of Harlingen and Rocky Hill: population, income, housing, and more.

Harlingen and Rocky Hill are places in New Jersey. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Rocky Hill has the higher population (814 vs 697 in Harlingen). Harlingen has the higher median household income ($227,438 vs $127,344 in Rocky Hill). Harlingen has the higher median home value ($717,900 vs $608,200 in Rocky Hill).

Population, income & housing

	Harlingen	Rocky Hill
Population	697	814
Median age	39.5 yrs	42.8 yrs
Median household income	$227,438	$127,344
Median home value	$717,900	$608,200
Median gross rent	—	$1,660
Housing units	218	319
Homeownership rate	95.9%	75.9%
Bachelor's degree or higher	85.7%	72.4%
Unemployment rate	5.4%	6.1%

Trends (ACS 5-year, 2019–2023)

	Harlingen	Rocky Hill
Population	416 → 697 (+67.5%)	636 → 814 (+28.0%)
Median household income	$238,000 → $227,438 (-4.4%)	$111,688 → $127,344 (+14.0%)
Median home value	$687,500 → $717,900 (+4.4%)	$521,500 → $608,200 (+16.6%)
Median gross rent	—	$1,833 → $1,660 (-9.4%)

Harlingen

Population

416697

Median household income

$238,000$227,438

Median home value

$687,500$717,900

Rocky Hill

Population

636814

Median household income

$111,688$127,344

Median home value

$521,500$608,200

Median gross rent

$1,833$1,660

Age & race/ethnicity

Age distribution (share)

	Harlingen	Rocky Hill
Under 5	7.3%	7.0%
5 to 17	26.7%	13.6%
18 to 24	1.0%	12.0%
25 to 34	2.3%	8.6%
35 to 44	29.4%	11.7%
45 to 54	22.5%	13.8%
55 to 64	6.3%	15.7%
65 to 74	1.3%	11.2%
75 and over	3.2%	6.4%

Race & ethnicity (share)

	Harlingen	Rocky Hill
White (non-Hispanic)	65.9%	80.7%
Black or African American	0.0%	0.9%
American Indian & Alaska Native	0.0%	0.0%
Asian	34.1%	4.1%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	1.2%
Two or more races	0.0%	4.7%
Hispanic or Latino	0.0%	8.5%

Educational attainment (age 25+)

Share of adults 25+

	Harlingen	Rocky Hill
No high school diploma	0.0%	0.7%
High school graduate	0.0%	12.4%
Some college or associate's	14.3%	14.4%
Bachelor's degree	10.8%	36.9%
Graduate or professional degree	74.8%	35.6%

Commute to work

How workers get to work (share)

	Harlingen	Rocky Hill
Drove alone	77.5%	62.9%
Carpooled	2.4%	6.5%
Public transit	0.0%	1.2%
Walked	0.0%	1.4%
Bicycle	0.0%	0.0%
Worked from home	20.2%	27.3%
Other means	0.0%	0.7%

Housing

Units in structure (share)

	Harlingen	Rocky Hill
1-unit, detached	100.0%	72.4%
1-unit, attached	0.0%	7.5%
2 to 4 units	0.0%	7.2%
5 to 19 units	0.0%	12.9%
20 or more units	0.0%	0.0%
Mobile home & other	0.0%	0.0%

Poverty & households

	Harlingen	Rocky Hill
Poverty rate	0.0%	4.3%
Average household size	3.20	2.51
Mean commute (minutes)	28	25
Median year structure built	1971	1955