Postal Codes

02558 ZIP Code

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ZIP code 02558 covers Onset, Massachusetts, with a population of about 1,658.

Population
1,6581,485 per square mile
Median age
58.419.7 points above the US average
Poverty rate
5.7%6.7 points below the US average
Median home value
$426,90019% below the Massachusetts median
Median rent
$1,48212% below the Massachusetts median
Degree or higher
16.2%18.8 points below the US average
Homeownership
85.6%20.6 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
40

Where 02558 is

Onset, Massachusetts — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population1,658
Median age58.4
Family households46.9%
Born outside the US7.1%
Speaks a language other than English at home14%
White (non-Hispanic)63.7%
Black (non-Hispanic)3.2%
Asian (non-Hispanic)0%
Hispanic or Latino18.6%
Veterans15.7%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Income per person$46,713
Poverty rate5.7%
Households on SNAP or cash assistance8.5%

Household income distribution

Under $10k7.8%
$10–15k0.8%
$15–20k5.3%
$20–25k0.0%
$25–30k1.9%
$30–35k7.8%
$35–40k11.0%
$40–45k5.4%
$45–50k1.8%
$50–60k12.4%
$60–75k0.0%
$75–100k21.1%
$100–125k4.9%
$125–150k0.0%
$150–200k0.0%
$200k or more19.9%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$426,900
Median gross rent$1,482
Owner-occupied85.6%
Vacant homes49.6%
Median year built1938

What the homes are

Detached house84.5%
Attached house3.6%
2 to 4 units11.9%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate16.3%
Bachelor's degree or higher16.2%
High school diploma or higher95.4%
Works from home24.3%
Drives to work alone60.6%
Takes public transport0%
Commutes 45 minutes or more0%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity30.8% 2.6 pts below the national average of 33.4%
Diagnosed diabetes12.1% same as the national average of 12%
Currently smokes13.6% same as the national average of 13.2%
High blood pressure36.4% 2.3 pts above the national average of 34.1%
Fair or poor general health18.3% 2 pts below the national average of 20.3%
No health insurance (18–64)4.4% 6.9 pts below the national average of 11.3%
Depression25% 3.1 pts above the national average of 21.9%
No leisure-time physical activity23% 2.4 pts below the national average of 25.4%
Arthritis32.1% 7 pts above the national average of 25.1%
Binge drinking15.7% same as the national average of 16%
Taking blood pressure medication79.5% 4.8 pts above the national average of 74.7%
Cancer (non-skin)11.2% 3.5 pts above the national average of 7.7%
Current asthma12.8% 2.4 pts above the national average of 10.4%
Coronary heart disease7.8% 1.6 pts above the national average of 6.2%
Routine check-up in past year83.1% 6.4 pts above the national average of 76.7%
Cholesterol screening91.2% 5.3 pts above the national average of 85.9%
Cognitive disability15% same as the national average of 14.8%
Colorectal screening72.5% 8.2 pts above the national average of 64.3%
COPD8.4% 1.8 pts above the national average of 6.6%
Visited a dentist68.4% 7.1 pts above the national average of 61.3%
Any disability33.9% 3.2 pts above the national average of 30.7%
Lacks emotional support23.4% 1.4 pts below the national average of 24.8%
Food insecurity12.1% 5 pts below the national average of 17.1%
Received food stamps14.6% same as the national average of 14.3%
Hearing disability8.3% 1.6 pts above the national average of 6.7%
High cholesterol41% 4.8 pts above the national average of 36.2%
Housing insecurity11% 2.8 pts below the national average of 13.8%
Independent living disability8.4% same as the national average of 8.4%
Lacks transport7.5% 1.7 pts below the national average of 9.2%
Loneliness33.1% 1.3 pts below the national average of 34.4%
Mammography use84.7% 8.8 pts above the national average of 75.9%
Poor mental health (14+ days)17.6% 0.8 pts above the national average of 16.8%
Mobility disability15% 1 pts above the national average of 14%
Poor physical health (14+ days)15% 1.5 pts above the national average of 13.5%
Self-care disability3.9% same as the national average of 4%
Utility shut-off threat7.1% 1.7 pts below the national average of 8.8%
Sleeps under 7 hours35.2% 1.2 pts below the national average of 36.4%
Stroke4% 0.6 pts above the national average of 3.4%
All natural teeth lost13.3% same as the national average of 13%
Vision disability4.7% 0.9 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments40
People employed190
Annual payroll$6,974,000
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Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 20.5% of US census tracts
FEMA ratingRelatively Low
Expected annual loss17.3 out of 100
Community resilience98 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Coastal flooding96.6Relatively High at its worst in this ZIP code
Drought77.6Very Low at its worst in this ZIP code
Hurricane69.8Relatively Low at its worst in this ZIP code
Landslide55.4Very Low at its worst in this ZIP code
Lightning53.1Relatively Moderate at its worst in this ZIP code
Strong wind48.3Relatively Low at its worst in this ZIP code
Earthquake46.6Relatively Low at its worst in this ZIP code
Wildfire39.2Very Low at its worst in this ZIP code
River flooding33.3Relatively Low at its worst in this ZIP code
Cold wave25.8Relatively Low at its worst in this ZIP code
Ice storm23Very Low at its worst in this ZIP code
Winter weather22.6Relatively Low at its worst in this ZIP code
Heat wave21.8Relatively Low at its worst in this ZIP code
Tornado14.7Very Low at its worst in this ZIP code
Hail2.5Very Low at its worst in this ZIP code
Compared with Massachusetts and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPMassachusettsUnited States
Median household income$101,341$78,538
Income per person$46,713$56,284$43,289
Poverty rate5.7%10%12.4%
Median home value$426,900$525,800$303,400
Median gross rent$1,482$1,687$1,348
Homeownership85.6%62.6%65%
Bachelor's degree or higher16.2%46.6%35%
Unemployment rate16.3%5.1%5.2%
Works from home24.3%16.7%13.5%
Born outside the US7.1%17.7%13.9%
Median age58.44038.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationE WAREHAM, MA US2.2 km away
Rain in a year51 in
Snow in a year37 in

Average high and low by month

January38.9°F / 21.7°F4.19 in rain, 12.9 in snow
February40.5°F / 22.3°F3.71 in rain, 9.2 in snow
March46.2°F / 28.4°F5.58 in rain, 7.3 in snow
April55.5°F / 37.2°F4.56 in rain, 1.3 in snow
May65.7°F / 47.5°F3.8 in rain
June74.7°F / 57.1°F3.7 in rain
July81°F / 64°F3.08 in rain
August80.1°F / 62.6°F3.59 in rain
September73.1°F / 55.1°F4.54 in rain
October62.9°F / 44.3°F4.98 in rain
November53.1°F / 34.8°F4.45 in rain, 0.2 in snow
December44.2°F / 26.9°F4.96 in rain, 6.3 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket100% of this ZIP code's area
Far from a supermarket100% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Wareham School District100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability53more vulnerable than 53% of US census tracts
Socioeconomic status60more vulnerable than 60% of US census tracts
Household characteristics84more vulnerable than 84% of US census tracts
Racial and ethnic minority status35more vulnerable than 35% of US census tracts
Housing type and transport23more vulnerable than 23% of US census tracts
Walkability9.5 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

02538 East Wareham, MA2.3 km away
02571 Wareham, MA4.5 km away
02553 Monument Beach, MA4.9 km away
02532 Buzzards Bay, MA5.6 km away
02559 Pocasset, MA7.7 km away
02534 Cataumet, MA9.2 km away
02576 West Wareham, MA9.5 km away
02738 Marion, MA9.5 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Plymouth County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area1.12 sq mi
Water area1.06 sq mi
Population density1,485 people per sq mi
Latitude, longitude41.7476, -70.6582

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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