Saint Marie, MT Profile: Facts, Map & Data


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Saint Marie, Montana - Basic Facts

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The Saint Marie Census Designated Place had a population of 301 as of July 1, 2017. Saint Marie 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 Montana. See peer rankings below.

The primary coordinate point for Saint Marie is located at latitude 48.4048 and longitude -106.5019 in Valley County. The formal boundaries for the Saint Marie Census Designated Place (see map below) encompass a land area of 22.86 sq. miles and a water area of 0.03 sq. miles. Valley County is in the Mountain time zone (GMT -7). The elevation is 2,753 feet.

The Saint Marie Census Designated Place (GNIS ID: 2409228) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

Montana is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The Saint Marie Census Designated Place is located within Glasgow Division of Valley County.

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

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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 demographic data.


Saint Marie Census Designated Place, MT Boundary Map

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Boundary Maps: Glasgow Division | Valley County | Montana Counties

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Saint Marie, MT Data & Demographics (As of July 1, 2017)


Total Population 301
Daytime Population: Workers 7
Daytime Population: Residents 159
Total Daytime Population (TDP) 166
Ratio TDP/Total Population1 0.55
Population in Households 301
Population in Familes 237
Population in Group Qrtrs 0
Population Density2 13
Diversity Index3 24


Median Household Income $59,162
Average Household Income $84,587
Per Capita Income $36,970


Total Housing Units 1,156 (100%)
Owner Occupied HU 130 (11.2%)
Renter Occupied HU 20 ( 1.7%)
Vacant Housing Units 1,005 (86.9%)
Median Home Value $90,000
Average Home Value $158,654


Total Households 151
Average Household Size 1.99
Family Households 95
Average Family Size 2
  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 1.83% 0.98%
Households 1.77% 0.91%
Families 4.1% 0.83%
Median Household Income   2.83%
Per Capita Income   3.73%

Saint Marie, MT - Peer Comparisons by Rank and Percentile

The table below compares Saint Marie to the other 364 incorporated cities, towns and CDPs in Montana 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 # 200 45th
Population Density # 344 6th
Diversity Index # 80 79th
Median Household Income # 47 87th
Per Capita Income # 19 95th

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

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