Calais, ME Profile: Facts, Map & Data


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Calais, Maine - Basic Facts

The City of Calais had a population of 2,907 as of July 1, 2017. Calais ranks in the lower quartile for Population Density and the upper quartile for 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 Calais is located at latitude 45.143 and longitude -67.2175 in Washington County. The formal boundaries for the City of Calais (see map below) encompass a land area of 34.32 sq. miles and a water area of 5.78 sq. miles. Washington County is in the Eastern time zone (GMT -5). The elevation is 46 feet.

The City of Calais (GNIS ID: 582382) 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 Calais 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 Calais: Kallus.

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City of Calais, ME Boundary Map

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


Total Population 2,907
Daytime Population: Workers 2,500
Daytime Population: Residents 1,649
Total Daytime Population (TDP) 4,149
Ratio TDP/Total Population1 1.43
Population in Households 2,757
Population in Familes 1,975
Population in Group Qrtrs 150
Population Density2 85
Diversity Index3 16


Median Household Income $33,286
Average Household Income $47,697
Per Capita Income $22,731


Total Housing Units 1,838 (100%)
Owner Occupied HU 731 (39.8%)
Renter Occupied HU 581 (31.6%)
Vacant Housing Units 526 (28.6%)
Median Home Value $95,234
Average Home Value $115,219


Total Households 1,312
Average Household Size 2.1
Family Households 708
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 -0.98% -0.96%
Households -0.92% -0.95%
Families -1.17% -1.13%
Median Household Income   1.3%
Per Capita Income   2.48%

Calais, ME - Peer Comparisons by Rank and Percentile

The table below compares Calais 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 # 44 67th
Population Density # 130 1st
Diversity Index # 29 79th
Median Household Income # 114 13th
Per Capita Income # 94 28th

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

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