Portland, ME · standard
ZIP Code 04109
Cumberland County, Maine - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 93
- 28/sq mi Moderate-density area
- $755,400
- Median home value Above-median home value
- 86.8%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Portland pairs top-decile home values, in a rural, homeowner-dominated area.
- Top 5%
- home value, US ZIPs
- 28
- people per sq mi
- 100%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 04109 against every reporting US ZIP.
ZIP code 04109 is a sparsely populated ZIP (a standard USPS delivery area) in Portland, Cumberland County, Maine, home to just 93 residents across 3.3 square miles, a density of 28 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.
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 04109, Portland, 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
93
Population
3.3
Area (sq mi)
28
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 04109?
71.5
Median Age
53.5%
Male
46.5%
Female
0.0%
Foreign-Born
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$53,570
Per Capita Income
16.0%
Poverty Rate
0.0%
Unemployment Rate
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
348housing units
348
Total Housing Units
119
Occupied Units
229
Vacant Units
1.79
Avg Household Size
Occupancy Type
$755,400
Median Home Value
+166% vs state ZIP avg
1938
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 5 business establishments in ZIP 04109, employing approximately 31 people with a combined annual payroll of $1,667,000.
5
Businesses
31
Employees
$1.7M
Annual Payroll
1
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 04109 vs 04108 →
Related Areas
Frequently Asked Questions
What county is ZIP code 04109 in?
ZIP code 04109 (Portland) is located in Cumberland County, Maine. Cumberland County contains multiple ZIP codes, see the full list at /counties/cumberland-me.
What is the population of ZIP code 04109?
ZIP code 04109 in Portland, ME has a population of 93 according to the Census Bureau ACS 2023 estimates.
Take this with you
What to do with ZIP 04109's numbers, next.
- See how ZIP 04109 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Portland, 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.