Helena, MT Profile: Facts & Data


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Helena, Montana - Basic Facts

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The City of Helena is the 6th largest city in Montana with a population of 31,412 as of July 1, 2021. Helena ranks in the upper 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 Helena is located at latitude 46.5927 and longitude -112.0361 in Lewis and Clark County. The formal boundaries for the City of Helena encompass a land area of 16.51 sq. miles and a water area of 0.04 sq. miles. Lewis and Clark County is in the Mountain time zone (GMT -7). The elevation is 4,045 feet.

The City of Helena 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 Helena is located within Helena Division of Lewis and Clark County.

Alternate Unofficial Names for Helena: Crabtown, Ep? Yuts’mn, Hopkinsville, Last Chance Gulch.

Jump to... (On This Page!)
  1. Helena 2021 Demographic Data
  2. Growth Rates for Helena (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Montana Research Tools (Easy Tools & Current Data)
  3. Montana Data Comparison Tool - 2021 Demographics

Helena, MT Data & Demographics (As of July 1, 2021)


Total Population 31,412 (100%)
Population in Households 29,766 (94.8%)
Population in Families 20,519 (65.3%)
Population in Group Quarters1 1,646 ( 5.2%)
Population Density 1,867
Diversity Index2 22


Median Household Income $59,398
Average Household Income $81,764
% of Income for Mortgage4 20%
Per Capita Income $37,181
Wealth Index5 80


Total HU (Housing Units) 14,900 (100%)
Owner Occupied HU 7,221 (48.5%)
Renter Occupied HU 7,079 (47.5%)
Vacant Housing Units 600 ( 4.0%)
Median Home Value $285,667
Average Home Value $314,539
Housing Affordability Index3 115


Total Households 14,300
Average Household Size 2.08
Family Households 7,360
Average Family Size 3
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2021 2021-2026
Population 0.8% 0.86%
Households 0.84% 0.93%
Families 0.66% 0.74%
Median Household Income   1.37%
Per Capita Income   1.56%
Owner Occupied HU   1.42%

Helena, MT - Peer Comparisons by Rank and Percentile

The table below compares Helena to the other 363 incorporated cities, towns and CDPs in Montana by rank and percentile using July 1, 2021 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 # 6 99th
Population Density # 27 93rd
Median Household Income # 119 67th
Housing Affordability Index # 175 48th
Per Capita Income # 57 85th
Diversity Index # 108 71st

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

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