Corvallis, MT Profile: Facts, Map & Data


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Corvallis, Montana - Basic Facts

The Corvallis Census Designated Place had a population of 1,054 as of July 1, 2018. Corvallis ranks in the upper quartile for Population Density and 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 Corvallis is located at latitude 46.314 and longitude -114.1117 in Ravalli County. The formal boundaries for the Corvallis Census Designated Place (see map below) encompass a land area of 0.58 sq. miles and a water area of 0 sq. miles. Ravalli County is in the Mountain time zone (GMT -7). The elevation is 3,481 feet.

The Corvallis Census Designated Place (GNIS ID: 2407665) 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 Corvallis Census Designated Place is located within Hamilton Division of Ravalli County.

Beneath the boundary map are tables with Corvallis population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2018.

Alternate Unofficial Names for Corvallis: Chaffinsville, Chaffinville, Willow Creek.

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Corvallis Census Designated Place, MT Boundary Map

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Boundary Maps: Hamilton Division | Ravalli County | Montana Counties

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Corvallis, MT Data & Demographics (As of July 1, 2018)


Total Population 1,054
Population in Households 1,054
Population in Familes 808
Population in Group Qrtrs 0
Population Density2 1,828
Diversity Index3 29


Median Household Income $40,839
Average Household Income $56,778
Per Capita Income $23,249


Total Housing Units 457 (100%)
Owner Occupied HU 243 (53.2%)
Renter Occupied HU 185 (40.5%)
Vacant Housing Units 30 ( 6.6%)
Median Home Value $211,513
Average Home Value $226,235


Total Households 427
Average Household Size 2.47
Family Households 258
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 0.94% 1.22%
Households 0.79% 1.14%
Families 0.78% 0.99%
Median Household Income   0.18%
Per Capita Income   1.53%

Corvallis, MT - Peer Comparisons by Rank and Percentile

The table below compares Corvallis to the other 364 incorporated cities, towns and CDPs in Montana by rank and percentile using July 1, 2018 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 # 86 77th
Population Density # 28 93rd
Diversity Index # 63 83rd
Median Household Income # 270 26th
Per Capita Income # 277 24th

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

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