Jefferson City, MT Profile: Facts, Map & Data


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Jefferson City, Montana - Basic Facts

The Jefferson City Census Designated Place had a population of 466 as of July 1, 2015. Jefferson City ranks in the lower quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Montana. See peer rankings below.

The primary coordinate point for Jefferson City is located at latitude 46.3779 and longitude -112.0305 in Jefferson County. The formal boundaries for the Jefferson City Census Designated Place (see map below) encompass a land area of 23.22 sq. miles and a water area of 0 sq. miles. Jefferson County is in the Mountain time zone (GMT -7). The elevation is 4,564 feet.

The Jefferson City Census Designated Place (GNIS ID: 2408441) 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 Jefferson City Census Designated Place is located within Boulder Division of Jefferson County.

Beneath the boundary map are tables with Jefferson City population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2015.

Neighborhood Data

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Jefferson City Census Designated Place, MT Boundary Map

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Boundary Maps: Boulder Division | Jefferson County | Montana Counties

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Jefferson City, MT Data & Demographics (As of July 1, 2015)


Total Population 466
Population in Households 462
Population in Familes 387
Population in Group Qrtrs 4
Population Density1 20
Diversity Index2 13


Total Households 192
Average Household Size 2.41
Family Households 136
Average Family Size 3


Total Housing Units 221 (100%)
Owner Occupied HU 157 (71.0%)
Renter Occupied HU 35 (15.8%)
Vacant Housing Units 29 (13.1%)
Median Home Value $223,913
Average Home Value $266,297


Median Household Income $55,948
Average Household Income $73,577
Per Capita Income $29,531
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.24% -0.09%
Households 0.0% 0.1%
Families -0.82% -0.15%
Median Household Income   4.46%
Per Capita Income   3.09%
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.


Jefferson City, MT - Peer Comparisons by Rank and Percentile

The table below compares Jefferson City to the other 364 incorporated cities, towns and CDPs in Montana by rank and percentile using July 1, 2015 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 # 157 57th
Population Density1 # 321 12th
Diversity Index2 # 245 34th
Median Household Income # 48 87th
Per Capita Income # 71 81st

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