Population
112 residents
Census ACS 2023 - Massachusetts
City profile · Massachusetts · Census ACS 2023
Population, income, housing, safety, climate and schools for Monomoscoy Island - drawn straight from Census ACS, FBI UCR, NOAA, NCES, HUD and FEMA, refreshed on the 2024–2025 release cycle.
Monomoscoy Island - the verdict
Monomoscoy Island has 112 residents in Massachusetts. Source: Census ACS.
Population, income, and housing-cost figures come from the U.S. Census Bureau American Community Survey 5-year estimates (B-series tables). Crime data uses FBI UCR; climate uses NOAA Climate Normals; school counts come from NCES Common Core of Data; permits use the Census Building Permits Survey (BPS). See our methodology page for the full ETL pipeline and OMB / FIPS join keys.
Census ACS 2023 estimates count 112 residents in Monomoscoy Island, a small town within Massachusetts. Home values in Monomoscoy Island run a median of $1,022,700, and the median resident age is 45.2 years. 43.2% of adults here have a bachelor's degree or higher; 50.5% of working-age residents are in the labor force.
Massachusetts carries a cost-of-living premium: on BEA's 100-equals-national-average cost index, Massachusetts scores 105.8 (Above Average), per the 2024 Regional Price Parities release. HUD Fair Market Rent for a typical two-bedroom in this state is $2,143 per month. Statewide, average monthly utility bills in Massachusetts run around $330, per EIA 2023 residential energy data. FEMA's National Risk Index rates natural-hazard exposure at 16.8 out of 100 (Very Low).
Population
112 residents
Census ACS 2023 - Massachusetts
Median Household Income
N/A /yr
Poverty 0.0%
Cost of Living Index (state)
105.8 (US=100)
Above Average - BEA RPP 2024, Massachusetts average
Here's how Monomoscoy Island stacks up against the full field of US cities (population 1,000+), computed live from Census and FBI data.
"Safer than" reflects total crime rate from FBI UCR; the others use Census ACS estimates.
Each percentile compares Monomoscoy Island against every qualifying US city; each in-state rank narrows that to Massachusetts only. Full formula and direction notes: methodology.
Massachusetts-relative analysis
Among the 247 Massachusetts cities PlainCities tracks with reported poverty rate data, Monomoscoy Island ranks #208 - the 0th percentile within the state. This is a different, narrower cut than the nationwide percentiles above: it compares Monomoscoy Island only against its own state's cities, not the full US field.
Ranked by raw value (highest first); a higher rank is not automatically "better" for every measure, see each metric's own context above. This is a comparison within Massachusetts only, not a livability score. See the methodology for the source and calculation.
How Monomoscoy Island's home value compares nationally
Median home value vs. every US city (population 1,000+)
$1,022,700 3rd percentile more affordable than 3% of 15,600 US cities
Each bar is a $25K-wide band; taller bars hold more US cities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau ACS 5-Year Estimates · 2023
Median household income is not available for Monomoscoy Island in the current Census ACS release (common for very small places).
Census ACS S1501, educational attainment
Census ACS S1701, poverty status
Census ACS S2301, share of working-age residents in the labor force
How workers travel to work, Census ACS 2023
Based on 48 workers 16 and over.
State-average estimates for Massachusetts - EIA 2023 residential energy data
Estimates reflect Massachusetts state averages. Actual costs vary by home size, usage, and local rates. Source: U.S. Energy Information Administration (EIA) 2023.
Cost of living is a Massachusetts state average from BEA; rent and hazard risk are county-level figures from HUD and FEMA for the county Monomoscoy Island sits in
Population-matched peers from other states, closest to Monomoscoy Island's 112 residents (Census ACS 5-Year 2023).
City-level race and ethnicity, Census ACS 5-year 2023 (tables B02001, B03001), OMB Directive 15 categories.
Population + median household income, sourced from Census Bureau ACS 5-year B01001 (population) and B19013 (median household income).
| City | Population | Median Household Income |
|---|---|---|
| Monomoscoy Island (this city) | 112 | N/A |
| Seconsett Island | 138 | N/A |
| Lenox Dale | 165 | N/A |
| Siasconset | 191 | N/A |
The population of Monomoscoy Island, MA stands at 112 according to U.S. Census Bureau ACS 2023 estimates.
BEA does not publish a city-level cost-of-living figure for Monomoscoy Island; the closest available measure is the Massachusetts state average, a cost of living index of 105.8 (U.S. average = 100), rated "Above Average" based on BEA Regional Price Parities 2024 data. Costs within Massachusetts vary by metro area.
Monomoscoy Island's median home value sits at $1,022,700, according to Census ACS 2023 estimates.
Source: U.S. Census Bureau ACS 5-Year 2023, Census ACS B08301/B08136, U.S. Energy Information Administration (EIA) 2023, BEA Regional Price Parities 2024, HUD Fair Market Rents 2026, FEMA National Risk Index.
Read our methodology - how this data is sourced, computed, and verified.
Primary sources: Census ACS, FBI UCR, NOAA Climate Normals, NCES.
Every figure on PlainCities is rendered directly from Census ACS source data, no number is typed in by an editor. This page draws directly on Census ACS source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.