Darby, MT Profile: Facts, Map & Data


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Darby, Montana - Basic Facts

The Town of Darby had a population of 713 as of July 1, 2017. Darby 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 Darby is located at latitude 46.0233 and longitude -114.1796 in Ravalli County. The formal boundaries for the Town of Darby (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 3,884 feet.

The Town of Darby (GNIS ID: 2412404) 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 Darby is located within Darby Division of Ravalli County.

Beneath the boundary map are tables with Darby 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 Darby: Harrison, Tin Cup.

Neighborhood Data

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Town of Darby, MT Boundary Map

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Boundary Maps: Darby Division | Ravalli County | Montana Counties

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


Total Population 713
Daytime Population: Workers 451
Daytime Population: Residents 490
Total Daytime Population (TDP) 941
Ratio TDP/Total Population1 1.32
Population in Households 710
Population in Familes 510
Population in Group Qrtrs 3
Population Density2 1,237
Diversity Index3 23


Median Household Income $37,976
Average Household Income $49,450
Per Capita Income $21,093


Total Housing Units 360 (100%)
Owner Occupied HU 161 (44.7%)
Renter Occupied HU 138 (38.3%)
Vacant Housing Units 61 (16.9%)
Median Home Value $170,588
Average Home Value $197,031


Total Households 299
Average Household Size 2.37
Family Households 171
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 -0.13% 0.08%
Households -0.18% 0.0%
Families -0.63% -0.24%
Median Household Income   0.71%
Per Capita Income   2.67%

Darby, MT - Peer Comparisons by Rank and Percentile

The table below compares Darby 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 # 123 66th
Population Density # 60 84th
Diversity Index # 90 75th
Median Household Income # 289 21st
Per Capita Income # 304 17th

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

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