Portland, ME Profile: Facts, Map & Data


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Portland, Maine - Basic Facts

The City of Portland is the largest city in Maine with a population of 68,873 as of July 1, 2017. Portland ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Maine. See peer rankings below.

The primary coordinate point for Portland is located at latitude 43.6332 and longitude -70.1853 in Cumberland County. The formal boundaries for the City of Portland (see map below) encompass a land area of 21.55 sq. miles and a water area of 47.9 sq. miles. Cumberland County is in the Eastern time zone (GMT -5). The elevation is 62 feet.

The City of Portland (GNIS ID: 582683) has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Beneath the boundary map are tables with Portland population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Alternate Unofficial Names for Portland: Casco, Elbow, Falmouth, Falmouth Neck, Indigreat, Machegony, Machigonne, Quack, The Neck, Uh-kos-is-co.

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.


City of Portland, ME Boundary Map

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Portland, ME Data & Demographics (As of July 1, 2017)


Total Population 68,873
Daytime Population: Workers 76,052
Daytime Population: Residents 29,177
Total Daytime Population (TDP) 105,229
Ratio TDP/Total Population1 1.53
Population in Households 66,270
Population in Familes 39,103
Population in Group Qrtrs 2,603
Population Density2 3,197
Diversity Index3 35


Median Household Income $51,208
Average Household Income $70,049
Per Capita Income $33,092


Total Housing Units 35,407 (100%)
Owner Occupied HU 12,708 (35.9%)
Renter Occupied HU 19,265 (54.4%)
Vacant Housing Units 3,434 ( 9.7%)
Median Home Value $257,423
Average Home Value $298,548


Total Households 31,973
Average Household Size 2.07
Family Households 13,512
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood 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.


2010-2017 2017-2022
Population 0.55% 0.57%
Households 0.55% 0.59%
Families 0.19% 0.35%
Median Household Income   4.22%
Per Capita Income   3.76%

Portland, ME - Peer Comparisons by Rank and Percentile

The table below compares Portland to the other 130 incorporated cities, towns and CDPs in Maine by rank and percentile using July 1, 2017 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 # 1 100th
Population Density # 1 100th
Diversity Index # 2 99th
Median Household Income # 48 64th
Per Capita Income # 25 82nd

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

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