Westby, MT Profile: Facts, Map & Data


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Westby, Montana - Basic Facts

The Town of Westby had a population of 168 as of July 1, 2017. Westby ranks in the lower 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 Westby is located at latitude 48.8705 and longitude -104.0572 in Sheridan County. The formal boundaries for the Town of Westby (see map below) encompass a land area of 0.54 sq. miles and a water area of 0 sq. miles. Sheridan County is in the Mountain time zone (GMT -7). The elevation is 2,103 feet.

The Town of Westby (GNIS ID: 2413470) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Montana is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The Town of Westby is located within Westby Division of Sheridan County.

Beneath the boundary map are tables with Westby 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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Town of Westby, MT Boundary Map

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


Total Population 168
Daytime Population: Workers 114
Daytime Population: Residents 103
Total Daytime Population (TDP) 217
Ratio TDP/Total Population1 1.29
Population in Households 168
Population in Familes 136
Population in Group Qrtrs 0
Population Density2 311
Diversity Index3 10


Median Household Income $49,017
Average Household Income $73,456
Per Capita Income $32,239


Total Housing Units 114 (100%)
Owner Occupied HU 65 (57.0%)
Renter Occupied HU 15 (13.2%)
Vacant Housing Units 33 (28.9%)
Median Home Value $84,615
Average Home Value $146,484


Total Households 81
Average Household Size 2.07
Family Households 52
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 0.0% -0.36%
Households -0.17% -0.5%
Families 0.82% -0.78%
Median Household Income   3.13%
Per Capita Income   4.2%

Westby, MT - Peer Comparisons by Rank and Percentile

The table below compares Westby 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 # 267 27th
Population Density # 159 57th
Diversity Index # 301 18th
Median Household Income # 158 57th
Per Capita Income # 76 79th

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

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