Calais, ME Profile: Facts, Map & Data


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Calais, Maine - Basic Facts

The City of Calais had a population of 2,941 as of July 1, 2015. 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, 2015.

Alternate Unofficial Names for Calais: Kallus.

Neighborhood Data

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City of Calais, ME Boundary Map

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Calais, ME Data & Demographics (As of July 1, 2015)


Total Population 2,941
Population in Households 2,791
Population in Familes 2,001
Population in Group Qrtrs 150
Population Density1 86
Diversity Index2 14


Total Households 1,338
Average Household Size 2.09
Family Households 721
Average Family Size 3


Total Housing Units 1,756 (100%)
Owner Occupied HU 765 (43.6%)
Renter Occupied HU 573 (32.6%)
Vacant Housing Units 418 (23.8%)
Median Home Value $82,134
Average Home Value $109,085


Median Household Income $30,894
Average Household Income $42,508
Per Capita Income $19,803
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -1.14% -0.66%
Households -0.9% -0.56%
Families -1.27% -0.79%
Median Household Income   3.4%
Per Capita Income   2.23%
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.


Calais, ME - Peer Comparisons by Rank and Percentile

The table below compares Calais to the other 131 incorporated cities, towns and CDPs in Maine by rank and percentile using July 1, 2015 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 # 46 66th
Population Density1 # 131 1st
Diversity Index2 # 32 78th
Median Household Income # 119 10th
Per Capita Income # 100 24th

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