Portland, ME 04109 ZIP Code Profile

Related Place Profiles:
Cushing Island, ME | Portland, ME

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ZIP Code 04109: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Portland, ME 04109

Acceptable Alternative
Cushing Is, ME 04109
Cushing Island, ME 04109
Diamond Cove, ME 04109
Diamond Is, ME 04109
Diamond Island, ME 04109
Great Diamond Island, ME 04109
Grt Dia Is, ME 04109
Little Diamond Island, ME 04109
Ltle Dia Is, ME 04109

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 0
  • Single Family Addresses: 1
  • Multi-Family Addresses: 0
  • County: Cumberland County
  • Centroid: Latitude 43.679, Longitude -70.202
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


04109 ZIP Code Map

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Portland, ME 04109 Data & Demographics (As of July 1, 2016)


Total Population 99
Population in Households 99
Population in Familes 81
Population in Group Qrtrs 0
Population Density1 79
Diversity Index2 4


Total Households 52
Average Household Size 1.9
Family Households 36
Average Family Size 2


Total Housing Units 335 (100%)
Owner Occupied HU 48 (14.3%)
Renter Occupied HU 4 ( 1.2%)
Vacant Housing Units 283 (84.5%)
Median Home Value $410,000
Average Home Value $469,792


Median Household Income $67,733
Average Household Income $96,384
Per Capita Income $50,626
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 1.18% 0.99%
Households 1.29% 1.13%
Families 0.92% 1.09%
Median Household Income   0.64%
Per Capita Income   0.72%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Portland, ME 04109 - Peer Comparisons by Rank and Percentile

The table below compares 04109 to the other 400 ZIP Codes in Maine by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 385 4th
Population Density1 # 152 62nd
Diversity Index2 # 381 5th
Median Household Income # 25 94th
Per Capita Income # 7 99th

Additional comparisons and rankings can be made with a VERY EASY TO USE Maine Census Data Comparison Tool.

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