Postal Codes

02633 ZIP Code

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ZIP code 02633 covers Chatham, Massachusetts, with a population of about 4,536 and a median household income of $94,036.

Population
4,536525 per square mile
Median age
64.826.1 points above the US average
Median household income
$94,0367% below the Massachusetts median
Poverty rate
10.1%2.3 points below the US average
Typical home value
$1,360,608up 40.9% in five years
Median rent
$1,00540% below the Massachusetts median
Degree or higher
64.5%29.5 points above the US average
Homeownership
88.6%23.6 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
242

Where 02633 is

Chatham, 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

Population4,536
Median age64.8
Family households65.8%
Born outside the US7.2%
Speaks a language other than English at home3.4%
White (non-Hispanic)88.2%
Black (non-Hispanic)2.8%
Asian (non-Hispanic)3.2%
Hispanic or Latino1.5%
Veterans10.3%
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

Median household income$94,036
Income per person$88,020
Poverty rate10.1%
Households on SNAP or cash assistance10.3%

Household income distribution

Under $10k4.5%
$10–15k4.4%
$15–20k3.2%
$20–25k0.8%
$25–30k0.4%
$30–35k0.9%
$35–40k1.3%
$40–45k3.0%
$45–50k2.6%
$50–60k5.7%
$60–75k9.1%
$75–100k16.2%
$100–125k7.4%
$125–150k5.6%
$150–200k8.4%
$200k or more26.6%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed2,450
Mean adjusted gross income$165,149
Returns declaring $200,000 or more17.1%
Returns, under $25k22.9%
Returns, $25k–$50k16.7%
Returns, $50k–$75k13.1%
Returns, $75k–$100k9.0%
Returns, $100k–$200k21.2%
Returns, $200k or more17.1%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$881,400
Median gross rent$1,005
Rent as a share of household income36.4%
Owner-occupied88.6%
Vacant homes58.7%
Median year built1974

What the homes are

Detached house90.2%
Attached house2.4%
2 to 4 units4.5%
5 to 19 units2%
20 or more units0.4%
Mobile home0.5%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$1,360,608as of 2026-07
Typical home value, 1 yearup 6.5%
Typical home value, 5 yearsup 40.9%
Typical home value, 10 yearsup 105.7%
Typical home value since 2000
200020132026$1,360,608$345,784

$345,784 in 2000 to $1,360,608 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.3%
Bachelor's degree or higher64.5%
High school diploma or higher98.8%
Works from home27.2%
Drives to work alone63.2%
Takes public transport4%
Commutes 45 minutes or more15.3%
Health

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

Obesity25.2% 8.2 pts below the national average of 33.4%
Diagnosed diabetes11.4% 0.6 pts below the national average of 12%
Currently smokes8.4% 4.8 pts below the national average of 13.2%
High blood pressure41.8% 7.7 pts above the national average of 34.1%
Fair or poor general health14.9% 5.4 pts below the national average of 20.3%
No health insurance (18–64)3% 8.3 pts below the national average of 11.3%
Depression20.9% 1 pts below the national average of 21.9%
No leisure-time physical activity18.3% 7.1 pts below the national average of 25.4%
Arthritis39.4% 14.3 pts above the national average of 25.1%
Binge drinking11.9% 4.1 pts below the national average of 16%
Taking blood pressure medication85.9% 11.2 pts above the national average of 74.7%
Cancer (non-skin)16% 8.3 pts above the national average of 7.7%
Current asthma11% 0.6 pts above the national average of 10.4%
Coronary heart disease9.2% 3 pts above the national average of 6.2%
Routine check-up in past year87.7% 11 pts above the national average of 76.7%
Cholesterol screening94.8% 8.9 pts above the national average of 85.9%
Cognitive disability9.7% 5.1 pts below the national average of 14.8%
Colorectal screening79% 14.7 pts above the national average of 64.3%
COPD7.3% 0.7 pts above the national average of 6.6%
Visited a dentist79.4% 18.1 pts above the national average of 61.3%
Any disability28.6% 2.1 pts below the national average of 30.7%
Lacks emotional support18.2% 6.6 pts below the national average of 24.8%
Food insecurity6.5% 10.6 pts below the national average of 17.1%
Received food stamps7.7% 6.6 pts below the national average of 14.3%
Hearing disability9.5% 2.8 pts above the national average of 6.7%
High cholesterol43% 6.8 pts above the national average of 36.2%
Housing insecurity5.6% 8.2 pts below the national average of 13.8%
Independent living disability6.5% 1.9 pts below the national average of 8.4%
Lacks transport4.3% 4.9 pts below the national average of 9.2%
Loneliness27.5% 6.9 pts below the national average of 34.4%
Mammography use84.2% 8.3 pts above the national average of 75.9%
Poor mental health (14+ days)11.7% 5.1 pts below the national average of 16.8%
Mobility disability14.5% 0.5 pts above the national average of 14%
Poor physical health (14+ days)13.2% same as the national average of 13.5%
Self-care disability3.1% 0.9 pts below the national average of 4%
Utility shut-off threat4.1% 4.7 pts below the national average of 8.8%
Sleeps under 7 hours26.8% 9.6 pts below the national average of 36.4%
Stroke4.2% 0.8 pts above the national average of 3.4%
All natural teeth lost8.5% 4.5 pts below the national average of 13%
Vision disability3.8% 1.8 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments242
People employed1,530
Annual payroll$109,687,000
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 69% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss67.8 out of 100
Community resilience99.1 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 flooding97.8Relatively High at its worst in this ZIP code
Hurricane91.1Relatively High at its worst in this ZIP code
Landslide83.8Relatively Low at its worst in this ZIP code
River flooding78.3Relatively High at its worst in this ZIP code
Drought70.2Very Low at its worst in this ZIP code
Wildfire65.8Very Low at its worst in this ZIP code
Lightning63.1Relatively Moderate at its worst in this ZIP code
Hail47.1Relatively Low at its worst in this ZIP code
Earthquake45.1Relatively Low at its worst in this ZIP code
Winter weather26.8Relatively Low at its worst in this ZIP code
Strong wind26.3Relatively Low at its worst in this ZIP code
Cold wave22Relatively Low at its worst in this ZIP code
Tornado16.7Very Low at its worst in this ZIP code
Heat wave4.4Very Low at its worst in this ZIP code
Ice storm2.4Very 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$94,036$101,341$78,538
Income per person$88,020$56,284$43,289
Poverty rate10.1%10%12.4%
Median home value$881,400$525,800$303,400
Median gross rent$1,005$1,687$1,348
Homeownership88.6%62.6%65%
Bachelor's degree or higher64.5%46.6%35%
Unemployment rate5.3%5.1%5.2%
Works from home27.2%16.7%13.5%
Born outside the US7.2%17.7%13.9%
Median age64.84038.7
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 stationCHATHAM MUNI AP, MA US1.8 km away
Rain in a year45 in

Average high and low by month

January38.6°F / 25.5°F3.75 in rain
February39.5°F / 25.9°F3.61 in rain
March43.9°F / 31.2°F4.43 in rain
April52.3°F / 39°F4.01 in rain
May61.9°F / 48°F3.34 in rain
June71.5°F / 57.2°F2.95 in rain
July78.7°F / 64.2°F2.79 in rain
August77.7°F / 63.5°F3.03 in rain
September71.1°F / 57.5°F3.58 in rain
October61.3°F / 47.4°F4.23 in rain
November52.1°F / 38.8°F4.47 in rain
December43.9°F / 30.8°F5 in rain
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 supermarketNone of this ZIP code
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%.

Monomoy Regional 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 vulnerability26more vulnerable than 26% of US census tracts
Socioeconomic status19more vulnerable than 19% of US census tracts
Household characteristics42more vulnerable than 42% of US census tracts
Racial and ethnic minority status14more vulnerable than 14% of US census tracts
Housing type and transport44more vulnerable than 44% of US census tracts
Walkability9.6 out of 20Below average
Nearby ZIP codes

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

02650 North Chatham, MA1.6 km away
02669 West Chatham, MA1.8 km away
02659 South Chatham, MA4.4 km away
02661 South Harwich, MA5 km away
02645 Harwich, MA7.2 km away
02662 South Orleans, MA7.6 km away
02646 Harwich Port, MA8.6 km away
02653 Orleans, MA10.1 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.

Barnstable County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area8.63 sq mi
Water area4.69 sq mi
Population density525 people per sq mi
Latitude, longitude41.6889, -69.9722

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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