Blawenburg vs East Rocky Hill

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

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

East Rocky Hill has the higher population (212 vs 92 in Blawenburg). Blawenburg has the higher median household income ($250,001 vs $232,727 in East Rocky Hill). Since 2019, Blawenburg's population has grown faster (-20.0% vs -37.3%).

Population, income & housing

	Blawenburg	East Rocky Hill
Population	92	212
Median age	62.8 yrs	59.4 yrs
Median household income	$250,001	$232,727
Median home value	—	$643,500
Housing units	62	106
Homeownership rate	100.0%	100.0%
Bachelor's degree or higher	85.9%	64.9%
Unemployment rate	14.1%	13.4%

Trends (ACS 5-year, 2019–2023)

	Blawenburg	East Rocky Hill
Population	115 → 92 (-20.0%)	338 → 212 (-37.3%)
Median household income	$219,688 → $250,001 (+13.8%)	$153,938 → $232,727 (+51.2%)
Median home value	$1,075,000 → $1,072,900 (-0.2%)	$474,400 → $643,500 (+35.6%)

Blawenburg

Population

11592

Median household income

$219,688$250,001

Median home value

$1,075,000$1,072,900

East Rocky Hill

Population

338212

Median household income

$153,938$232,727

Median home value

$474,400$643,500

Age & race/ethnicity

Age distribution (share)

	Blawenburg	East Rocky Hill
Under 5	0.0%	0.0%
5 to 17	0.0%	0.0%
18 to 24	0.0%	4.7%
25 to 34	14.1%	11.3%
35 to 44	0.0%	0.5%
45 to 54	28.3%	19.3%
55 to 64	21.7%	36.3%
65 to 74	19.6%	19.8%
75 and over	16.3%	8.0%

Race & ethnicity (share)

	Blawenburg	East Rocky Hill
White (non-Hispanic)	71.7%	88.7%
Black or African American	0.0%	0.9%
American Indian & Alaska Native	0.0%	0.0%
Asian	28.3%	0.5%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	0.0%	9.4%
Hispanic or Latino	0.0%	0.5%

Educational attainment (age 25+)

Share of adults 25+

	Blawenburg	East Rocky Hill
No high school diploma	0.0%	0.0%
High school graduate	0.0%	1.0%
Some college or associate's	14.1%	34.2%
Bachelor's degree	26.1%	36.1%
Graduate or professional degree	59.8%	28.7%

Commute to work

How workers get to work (share)

	Blawenburg	East Rocky Hill
Drove alone	58.2%	68.4%
Carpooled	0.0%	10.3%
Public transit	0.0%	0.0%
Walked	0.0%	0.6%
Bicycle	0.0%	0.0%
Worked from home	41.8%	20.6%
Other means	0.0%	0.0%

Housing

Units in structure (share)

	Blawenburg	East Rocky Hill
1-unit, detached	59.7%	100.0%
1-unit, attached	40.3%	0.0%
2 to 4 units	0.0%	0.0%
5 to 19 units	0.0%	0.0%
20 or more units	0.0%	0.0%
Mobile home & other	0.0%	0.0%

Poverty & households

	Blawenburg	East Rocky Hill
Poverty rate	0.0%	0.0%
Average household size	2.49	1.96
Mean commute (minutes)	—	35
Median year structure built	1996	1993