Isle Au Haut, ME · standard
ZIP Code 04645
Knox County, Maine - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 73
- 2/sq mi Low-density area
- $49,500
- Median income Below-median income area
- $593,800
- Median home value Above-median home value
- 56.5%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Isle Au Haut pairs one of the lowest household incomes in the country with top-decile home values, in a rural, homeowner-dominated area.
- 14th pct
- household income, US ZIPs
- Top 9%
- home value, US ZIPs
- 2
- people per sq mi
- 74%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 04645 against every reporting US ZIP.
ZIP code 04645 is a sparsely populated ZIP (a standard USPS delivery area) in Isle Au Haut, Knox County, Maine, home to just 73 residents across 31.7 square miles, a density of 2 people per square mile, in the New York time zone.
With fewer than 100 residents on file, this page keeps the Census figures below and skips the multi-chart expansion used on larger ZIPs. Small-N ACS estimates are already unstable enough without padding the page around them. Median household income is $49,500.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 04645, Isle Au Haut, ME · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
73
Population
31.7
Area (sq mi)
2
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 04645?
71.4
Median Age
50.7%
Male
49.3%
Female
0.0%
Foreign-Born
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$49,500
Median Household Income
-33% vs state ZIP avg
$128,106
Per Capita Income
2.9%
Poverty Rate
0.0%
Unemployment Rate
How ZIP 04645 ranks among Maine ZIPs
Isle Au Haut, ME household income vs. every Maine ZIP code
Median household income among 395 reporting Maine ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$49,500 9th percentile higher than 9% of 395 Maine ZIPs
Each bar is a $20K-wide band; taller bars hold more Maine ZIPs. 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 · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
138housing units
138
Total Housing Units
50
Occupied Units
88
Vacant Units
1.38
Avg Household Size
Occupancy Type
$593,800
Median Home Value
+109% vs state ZIP avg
$967
Median Rent
1953
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 3 business establishments in ZIP 04645, employing approximately 12 people with a combined annual payroll of $227,000.
3
Businesses
12
Employees
$227K
Annual Payroll
0
Industry Sectors
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 04645 vs 04681 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 04681 | Stonington, ME | 1,043 | 7.9 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 04645, both outside ME so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
Related Areas
Frequently Asked Questions
What county is ZIP code 04645 in?
ZIP code 04645 (Isle Au Haut) is located in Knox County, Maine. Knox County contains multiple ZIP codes, see the full list at /counties/knox-me.
What is the population of ZIP code 04645?
ZIP code 04645 in Isle Au Haut, ME has a population of 73 according to the Census Bureau ACS 2023 estimates.
Take this with you
What to do with ZIP 04645's numbers, next.
- See how ZIP 04645 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Isle Au Haut, ME ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.