Monomoscoy Island vs Seconsett Island

A side-by-side comparison of Monomoscoy Island and Seconsett Island: population, income, housing, and more.

Monomoscoy Island and Seconsett Island are places in Massachusetts. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Seconsett Island has the higher population (138 vs 112 in Monomoscoy Island). Since 2019, Seconsett Island's population has grown faster (+245.0% vs +12.0%).

Population, income & housing

	Monomoscoy Island	Seconsett Island
Population	112	138
Median age	45.2 yrs	52.2 yrs
Median home value	$1,022,700	—
Housing units	55	183
Homeownership rate	88.9%	66.2%
Bachelor's degree or higher	43.2%	68.0%
Unemployment rate	0.0%	12.0%

Trends (ACS 5-year, 2019–2023)

	Monomoscoy Island	Seconsett Island
Population	100 → 112 (+12.0%)	40 → 138 (+245.0%)
Median household income	$75,625 → $126,042 (+66.7%)	—
Median home value	$1,013,900 → $1,022,700 (+0.9%)	—
Median gross rent	$1,297 → $1,706 (+31.5%)	—

Monomoscoy Island

Population

100112

Median household income

$75,625$126,042

Median home value

$1,013,900$1,022,700

Median gross rent

$1,297$1,706

Seconsett Island

Population

40138

Age & race/ethnicity

Age distribution (share)

	Monomoscoy Island	Seconsett Island
Under 5	0.0%	14.5%
5 to 17	15.2%	13.0%
18 to 24	0.0%	0.0%
25 to 34	24.1%	0.0%
35 to 44	8.9%	10.9%
45 to 54	8.9%	14.5%
55 to 64	23.2%	0.0%
65 to 74	19.6%	0.0%
75 and over	0.0%	47.1%

Race & ethnicity (share)

	Monomoscoy Island	Seconsett Island
White (non-Hispanic)	100.0%	100.0%
Black or African American	0.0%	0.0%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.0%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	0.0%	0.0%
Hispanic or Latino	0.0%	0.0%

Educational attainment (age 25+)

Share of adults 25+

	Monomoscoy Island	Seconsett Island
No high school diploma	11.6%	0.0%
High school graduate	10.5%	18.0%
Some college or associate's	34.7%	14.0%
Bachelor's degree	26.3%	20.0%
Graduate or professional degree	16.8%	48.0%

Commute to work

How workers get to work (share)

	Monomoscoy Island	Seconsett Island
Drove alone	33.3%	88.6%
Carpooled	0.0%	0.0%
Public transit	22.9%	0.0%
Walked	0.0%	0.0%
Bicycle	0.0%	0.0%
Worked from home	43.8%	11.4%
Other means	0.0%	0.0%

Housing

Units in structure (share)

	Monomoscoy Island	Seconsett Island
1-unit, detached	100.0%	100.0%
1-unit, attached	0.0%	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

	Monomoscoy Island	Seconsett Island
Poverty rate	0.0%	0.0%
Average household size	2.49	2.12
Median year structure built	2004	1959