Blackwells Mills vs Martinsville

A side-by-side comparison of Blackwells Mills and Martinsville: population, income, housing, and more.

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

Martinsville has the higher population (12,016 vs 10,220 in Blackwells Mills). Blackwells Mills has the higher median household income ($248,149 vs $206,839 in Martinsville). Blackwells Mills has the higher median home value ($736,000 vs $702,700 in Martinsville).

Population, income & housing

	Blackwells Mills	Martinsville
Population	10,220	12,016
Median age	40.6 yrs	45.9 yrs
Median household income	$248,149	$206,839
Median home value	$736,000	$702,700
Median gross rent	$3,148	$2,183
Housing units	2,955	4,278
Homeownership rate	96.4%	94.5%
Bachelor's degree or higher	77.7%	71.9%
Unemployment rate	4.3%	2.3%

Trends (ACS 5-year, 2019–2023)

	Blackwells Mills	Martinsville
Population	684 → 10,220 (+1394.2%)	11,586 → 12,016 (+3.7%)
Median household income	$196,406 → $248,149 (+26.3%)	$156,327 → $206,839 (+32.3%)
Median home value	$626,200 → $736,000 (+17.5%)	$559,800 → $702,700 (+25.5%)
Median gross rent	$2,699 → $3,148 (+16.6%)	$1,657 → $2,183 (+31.7%)

Blackwells Mills

Population

68410,220

Median household income

$196,406$248,149

Median home value

$626,200$736,000

Median gross rent

$2,699$3,148

Martinsville

Population

11,58612,016

Median household income

$156,327$206,839

Median home value

$559,800$702,700

Median gross rent

$1,657$2,183

Age & race/ethnicity

Age distribution (share)

	Blackwells Mills	Martinsville
Under 5	6.7%	6.6%
5 to 17	20.3%	17.5%
18 to 24	9.5%	5.5%
25 to 34	7.2%	8.7%
35 to 44	14.3%	10.7%
45 to 54	12.3%	15.4%
55 to 64	16.5%	16.6%
65 to 74	8.6%	9.3%
75 and over	4.6%	9.8%

Race & ethnicity (share)

	Blackwells Mills	Martinsville
White (non-Hispanic)	53.7%	70.3%
Black or African American	4.9%	2.3%
American Indian & Alaska Native	0.0%	0.0%
Asian	28.8%	13.2%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.3%	0.9%
Two or more races	4.5%	5.3%
Hispanic or Latino	7.9%	8.0%

Educational attainment (age 25+)

Share of adults 25+

	Blackwells Mills	Martinsville
No high school diploma	3.8%	1.7%
High school graduate	7.5%	11.0%
Some college or associate's	10.9%	15.4%
Bachelor's degree	35.5%	39.1%
Graduate or professional degree	42.3%	32.8%

Commute to work

How workers get to work (share)

	Blackwells Mills	Martinsville
Drove alone	68.1%	68.7%
Carpooled	3.1%	2.7%
Public transit	2.9%	3.6%
Walked	0.0%	0.3%
Bicycle	0.0%	0.2%
Worked from home	25.2%	23.5%
Other means	0.8%	1.0%

Housing

Units in structure (share)

	Blackwells Mills	Martinsville
1-unit, detached	98.1%	90.8%
1-unit, attached	0.0%	1.9%
2 to 4 units	1.5%	0.2%
5 to 19 units	0.4%	2.5%
20 or more units	0.0%	4.6%
Mobile home & other	0.0%	0.0%

Poverty & households

	Blackwells Mills	Martinsville
Poverty rate	1.5%	0.9%
Average household size	3.45	2.83
Mean commute (minutes)	34	35
Median year structure built	1990	1970