Mountain Home, ID Profile: Facts & Data


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Mountain Home, Idaho - Basic Facts

The City of Mountain Home had a population of 14,690 as of July 1, 2020. Mountain Home ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Idaho. See peer rankings below.

The primary coordinate point for Mountain Home is located at latitude 43.1329 and longitude -115.6912 in Elmore County. The formal boundaries for the City of Mountain Home encompass a land area of 6.09 sq. miles and a water area of 0.29 sq. miles. Elmore County is in the Mountain time zone (GMT -7). The elevation is 3,143 feet.

The City of Mountain Home (GNIS ID: 2411185) 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.

Idaho is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Mountain Home is located within Mountain Home Division of Elmore County.

Alternate Unofficial Names for Mountain Home: Tuttville.


Mountain Home, ID Data & Demographics (As of July 1, 2020)


Total Population 14,690 (100%)
Population in Households 14,573 (99.2%)
Population in Families 11,665 (79.4%)
Population in Group Quarters1 117 ( 0.8%)
Population Density 2,424
Diversity Index2 53


Median Household Income $51,416
Average Household Income $64,940
% of Income for Mortgage4 12%
Per Capita Income $25,936
Wealth Index5 53


Total HU (Housing Units) 6,393 (100%)
Owner Occupied HU 3,160 (49.4%)
Renter Occupied HU 2,721 (42.6%)
Vacant Housing Units 512 ( 8.0%)
Median Home Value $149,591
Average Home Value $196,622
Housing Affordability Index3 202


Total Households 5,881
Average Household Size 2.48
Family Households 3,812
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.


2010-2020 2020-2025
Population 0.3% 0.47%
Households 0.37% 0.52%
Families 0.3% 0.39%
Median Household Income   0.59%
Per Capita Income   1.89%
Owner Occupied HU   0.5%


Mountain Home, ID - Peer Comparisons by Rank and Percentile

The table below compares Mountain Home to the other 227 incorporated cities, towns and CDPs in Idaho by rank and percentile using July 1, 2020 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 # 18 93rd
Population Density # 24 90th
Median Household Income # 106 54th
Housing Affordability Index # 183 81st
Per Capita Income # 90 61st
Diversity Index # 56 76th

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

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