Mountain Home, Idaho Demographics & Population 2026
During the 2020–2024 ACS period, Mountain Home, Idaho had a total population of 16,493, the 16th largest city in Idaho, with a median household income of $63,125, which is 19% lower than the state average. The poverty rate is 11.4%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Mountain Home Quick Facts
How Mountain Home Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 16,265 | 16,493 | +1.4% |
| Median household income | $58,486 | $63,125 | +7.9% |
| Median home value | $270,700 | $309,400 | +14.3% |
How Mountain Home Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 36 | National average: 61
Education
Educational Attainment (Adults 25+)
Mountain Home Rankings in Idaho
Explore Idaho Rankings
Other Cities in Elmore County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Mountain Home AFB | 3,219 | $74,196 | 2.2% | N/A |
| Glenns Ferry | 1,438 | $51,840 | 23.2% | $197,900 |
| Hammett | 319 | N/A | 7.2% | $165,700 |
Cities Similar to Mountain Home
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Hayden | 16,338 | $82,958 | $494,500 | 26.8% | 7.8% |
| Chubbuck | 16,126 | $82,977 | $341,700 | 27.9% | 6.0% |
| Blackfoot | 12,782 | $64,032 | $262,500 | 24.7% | 10.6% |
| Jerome | 12,930 | $66,894 | $225,400 | 11.0% | 11.2% |
| Ammon | 19,064 | $86,121 | $381,800 | 42.9% | 5.4% |
Population Overview
Mountain Home is a small city located in Idaho, within Elmore County. The total population is 16,493. It ranks as the 16th most populous out of 232 Census-designated places in Idaho.
Age Demographics
The median age in Mountain Home is 31.7 years. This is 15% lower than the state median of 37.3 years.
Economy, Income & Housing
The median household income in Mountain Home is $63,125. This is 19% lower than the state median of $77,800. It is also 22% lower than the national median of $80,734. The poverty rate stands at 11.4%. This is 8% higher than the state poverty rate of 10.6%. The unemployment rate is 6.1%. This is 65% higher than the state rate of 3.7%. The median home value is $309,400. Housing costs are 26% lower than the state median of $418,600. The home-value-to-income ratio is 4.9x. 67.1% of occupied housing units are owner-occupied. This homeownership rate is 7% lower than the state average of 72.1%.
Race & Ethnicity
The largest racial or ethnic group in Mountain Home is White (non-Hispanic), making up 69.8% of the population. Hispanic or Latino residents account for 17.4%. The Black or African American population is significantly higher than the state average (2.7% vs 0.7%). The Asian population is significantly higher than the state average (3.4% vs 1.3%).
Education
22.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 31% lower than the state rate of 31.8%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.5%.
Data Sources & Methodology
All demographic data for Mountain Home, Idaho is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Idaho state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 232 Census-designated places in Idaho. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Mountain Home, Idaho?
Mountain Home, Idaho has a population of 16,493 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Mountain Home, ID?
The median household income in Mountain Home is $63,125, which is 22% lower than the national median of $80,734.
What is the poverty rate in Mountain Home, ID?
The poverty rate in Mountain Home is 11.4%. This means approximately 1,832 residents live below the federal poverty line.
What is the racial makeup of Mountain Home, Idaho?
Mountain Home's population is 69.8% White, 2.7% Black, 17.4% Hispanic/Latino, and 3.4% Asian.
What is the median home value in Mountain Home, ID?
The median home value in Mountain Home is $309,400. The home-value-to-income ratio is 4.9x.
How educated is Mountain Home, Idaho?
22.0% of adults (25+) in Mountain Home hold a bachelor's degree or higher, and 5.7% hold a graduate or professional degree.