Boulder, MT Profile: Facts, Map & Data


Boulder Local Links & Resources:
Hotels | Resources | ALL Boulder Content

Also See: Boulder, MT ZIP Codes & ZIP Code Maps | Local Area Photos

Boulder, Montana - Basic Facts

The City of Boulder had a population of 1,186 as of July 1, 2016. Boulder 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 Boulder is located at latitude 46.2357 and longitude -112.1205 in Jefferson County. The formal boundaries for the City of Boulder (see map below) encompass a land area of 1.14 sq. miles and a water area of 0 sq. miles. Jefferson County is in the Mountain time zone (GMT -7). The elevation is 4,908 feet.

The City of Boulder (GNIS ID: 2411712) 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 City of Boulder is located within Boulder Division of Jefferson County.

Beneath the boundary map are tables with Boulder population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Alternate Unofficial Names for Boulder: Boulder Valley.

Neighborhood Data

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 certain data.


City of Boulder, MT Boundary Map

Also See: BIG Map | Driving Directions | MT Congressional Districts
Boundary Maps: Boulder Division | Jefferson County | Montana Counties

Search the map for:

Boulder, MT Data & Demographics (As of July 1, 2016)


Total Population 1,186
Population in Households 1,074
Population in Familes 806
Population in Group Qrtrs 112
Population Density1 1,041
Diversity Index2 25


Total Households 513
Average Household Size 2.09
Family Households 296
Average Family Size 3


Total Housing Units 569 (100%)
Owner Occupied HU 354 (62.2%)
Renter Occupied HU 159 (27.9%)
Vacant Housing Units 56 ( 9.8%)
Median Home Value $128,602
Average Home Value $150,915


Median Household Income $37,911
Average Household Income $48,991
Per Capita Income $21,377
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.04% -0.02%
Households -0.03% -0.12%
Families -0.11% -0.34%
Median Household Income   -0.78%
Per Capita Income   1.25%
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.

Boulder, MT - Peer Comparisons by Rank and Percentile

The table below compares Boulder to the other 364 incorporated cities, towns and CDPs in Montana by rank and percentile using July 1, 2016 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 # 79 79th
Population Density1 # 71 81st
Diversity Index2 # 71 81st
Median Household Income # 276 24th
Per Capita Income # 286 22nd

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

Montana Research Tools

Montana Census Data Comparison Tool

Compare Montana Census Data
Highest or Lowest: