Postal Codes

04645 ZIP Code

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ZIP code 04645 covers Isle Au Haut, Maine, with a population of about 59.

Population
595 per square mile
Median age
71.432.7 points above the US average
Poverty rate
3.4%9 points below the US average
Median home value
$662,5002.5× the Maine median
Degree or higher
55.9%20.9 points above the US average
Homeownership
75.6%10.6 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
5

Where 04645 is

Isle Au Haut, Maine — 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

Population59
Median age71.4
Family households46.3%
Born outside the US0%
Speaks a language other than English at home0%
White (non-Hispanic)100%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino0%
Veterans6.8%
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

Poverty rate3.4%
Households on SNAP or cash assistance0%

Household income distribution

Under $10k0.0%
$10–15k0.0%
$15–20k0.0%
$20–25k0.0%
$25–30k24.4%
$30–35k0.0%
$35–40k0.0%
$40–45k0.0%
$45–50k26.8%
$50–60k0.0%
$60–75k4.9%
$75–100k7.3%
$100–125k14.6%
$125–150k0.0%
$150–200k0.0%
$200k or more22.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$662,500
Owner-occupied75.6%
Vacant homes71.3%
Median year built1954

What the homes are

Detached house100%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0%
Bachelor's degree or higher55.9%
High school diploma or higher100%
Works from home18.2%
Drives to work alone15.2%
Takes public transport0%
Health

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

Obesity26.5% 6.9 pts below the national average of 33.4%
Diagnosed diabetes9.8% 2.2 pts below the national average of 12%
Currently smokes10.4% 2.8 pts below the national average of 13.2%
High blood pressure33.4% 0.7 pts below the national average of 34.1%
Fair or poor general health14.2% 6.1 pts below the national average of 20.3%
No health insurance (18–64)7.1% 4.2 pts below the national average of 11.3%
Depression24.1% 2.2 pts above the national average of 21.9%
No leisure-time physical activity18% 7.4 pts below the national average of 25.4%
Arthritis31.9% 6.8 pts above the national average of 25.1%
Binge drinking15.3% 0.7 pts below the national average of 16%
Taking blood pressure medication77.6% 2.9 pts above the national average of 74.7%
Cancer (non-skin)10.8% 3.1 pts above the national average of 7.7%
Current asthma11.3% 0.9 pts above the national average of 10.4%
Coronary heart disease7.1% 0.9 pts above the national average of 6.2%
Routine check-up in past year81.8% 5.1 pts above the national average of 76.7%
Cholesterol screening89.1% 3.2 pts above the national average of 85.9%
Cognitive disability11.8% 3 pts below the national average of 14.8%
Colorectal screening76.5% 12.2 pts above the national average of 64.3%
COPD6.9% same as the national average of 6.6%
Visited a dentist73% 11.7 pts above the national average of 61.3%
Any disability26.6% 4.1 pts below the national average of 30.7%
Lacks emotional support21.3% 3.5 pts below the national average of 24.8%
Food insecurity6.6% 10.5 pts below the national average of 17.1%
Received food stamps7.9% 6.4 pts below the national average of 14.3%
Hearing disability7.9% 1.2 pts above the national average of 6.7%
High cholesterol38.5% 2.3 pts above the national average of 36.2%
Housing insecurity6.9% 6.9 pts below the national average of 13.8%
Independent living disability6.1% 2.3 pts below the national average of 8.4%
Lacks transport5.6% 3.6 pts below the national average of 9.2%
Loneliness28.8% 5.6 pts below the national average of 34.4%
Mammography use82.7% 6.8 pts above the national average of 75.9%
Poor mental health (14+ days)13.9% 2.9 pts below the national average of 16.8%
Mobility disability11.9% 2.1 pts below the national average of 14%
Poor physical health (14+ days)11.8% 1.7 pts below the national average of 13.5%
Self-care disability2.8% 1.2 pts below the national average of 4%
Utility shut-off threat5.1% 3.7 pts below the national average of 8.8%
Sleeps under 7 hours27.6% 8.8 pts below the national average of 36.4%
Stroke3.4% same as the national average of 3.4%
All natural teeth lost9% 4 pts below the national average of 13%
Vision disability3.6% 2 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments5
People employed16
Annual payroll$265,000
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 29.8% of US census tracts
FEMA ratingRelatively Low
Expected annual loss31 out of 100
Community resilience98.8 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 flooding98.2Relatively High at its worst in this ZIP code
Landslide97Relatively Moderate at its worst in this ZIP code
Ice storm95.5Relatively High at its worst in this ZIP code
Winter weather95.3Relatively High at its worst in this ZIP code
Hurricane84.4Relatively Moderate at its worst in this ZIP code
Strong wind60.7Relatively Moderate at its worst in this ZIP code
Wildfire57.6Very Low at its worst in this ZIP code
Lightning51.8Relatively Moderate at its worst in this ZIP code
Hail44.7Relatively Low at its worst in this ZIP code
Earthquake37.6Very Low at its worst in this ZIP code
Cold wave31.6Relatively Low at its worst in this ZIP code
Tornado18.7Very Low at its worst in this ZIP code
River flooding5.1Very Low at its worst in this ZIP code
Heat wave2.5Very Low at its worst in this ZIP code
Compared with Maine 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 ZIPMaineUnited States
Median household income$71,773$78,538
Income per person$42,035$43,289
Poverty rate3.4%10.8%12.4%
Median home value$662,500$266,400$303,400
Median gross rent$1,084$1,348
Homeownership75.6%74%65%
Bachelor's degree or higher55.9%35.3%35%
Unemployment rate0%3.9%5.2%
Works from home18.2%14.1%13.5%
Born outside the US0%3.9%13.9%
Median age71.444.838.7
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 supermarketNone of this ZIP code
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%.

Isle au Haut100% 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 vulnerability14more vulnerable than 14% of US census tracts
Socioeconomic status17more vulnerable than 17% of US census tracts
Household characteristics11more vulnerable than 11% of US census tracts
Racial and ethnic minority status3more vulnerable than 3% of US census tracts
Housing type and transport40more vulnerable than 40% of US census tracts
Walkability6.5 out of 20Below average
Nearby ZIP codes

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

04681 Stonington, ME13.9 km away
04685 Swans Island, ME16.7 km away
04863 Vinalhaven, ME17.4 km away
04683 Sunset, ME18 km away
04627 Deer Isle, ME19.9 km away
04635 Frenchboro, ME21.7 km away
04853 North Haven, ME21.9 km away
04616 Brooklin, ME22.6 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.

Knox County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area12.52 sq mi
Water area28.27 sq mi
Population density5 people per sq mi
Latitude, longitude44.0561, -68.6206

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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