Idaho Falls city, Idaho Demographics & Population 2026
As of 2026, Idaho Falls city, Idaho has a total population of 66,672, the 4th largest city in Idaho, with a median household income of $69,630, which is 7% lower than the state average. The poverty rate is 12.0%.
Key Takeaways
- Idaho Falls city is the 4th largest city in Idaho with a population of 66,672.
Idaho Falls city Quick Facts
How Idaho Falls city Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 35 | National average: 60
Education
Educational Attainment (Adults 25+)
Idaho Falls city Rankings in Idaho
Explore Idaho Rankings
Cities Similar to Idaho Falls city
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Caldwell city | 63,465 | $66,663 | $322,100 | 17.8% | 13.3% |
| Coeur d'Alene city | 55,558 | $70,845 | $451,600 | 30.5% | 8.3% |
| Pocatello city | 57,152 | $57,931 | $240,600 | 32.9% | 13.9% |
| Twin Falls city | 53,219 | $60,760 | $279,400 | 22.7% | 10.8% |
| Nampa city | 106,289 | $72,122 | $332,500 | 23.6% | 10.5% |
Population Overview
Idaho Falls city is a mid-sized community located in Idaho. The total population is 66,672. It ranks as the 4th most populous out of 234 cities and towns in Idaho.
Age Demographics
The median age in Idaho Falls city is 33.5 years. This is 10% lower than the state median of 37.1 years. With 28.1% of the population under 18, Idaho Falls city has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Idaho Falls city is $69,630. This is 7% lower than the state median of $74,636. Compared to the national median of $78,538, household income here is 11% lower. The poverty rate stands at 12.0%. This is 12% higher than the state poverty rate of 10.6%. The unemployment rate is 4.0%. This is 8% higher than the state rate of 3.7%. The median home value is $298,600. Housing costs are 21% lower than the state median of $376,000. The home-value-to-income ratio is 4.3x. 64.1% of occupied housing units are owner-occupied. This homeownership rate is 11% lower than the state average of 72.4%.
Race & Ethnicity
The largest racial or ethnic group in Idaho Falls city is White (non-Hispanic), making up 77.6% of the population. Hispanic or Latino residents account for 16.5%.
Education
31.0% of residents aged 25 and older hold a bachelor's degree or higher. This is about average than the state rate of 31.2%. Nationally, 35.0% 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 Idaho Falls city, Idaho is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Idaho state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 234 Census-designated places in Idaho. For official data, visit data.census.gov.
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Frequently Asked Questions
What is the population of Idaho Falls city, Idaho?
Idaho Falls city, Idaho has a population of 66,672 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Idaho Falls city, ID?
The median household income in Idaho Falls city is $69,630, which is 11% lower the national median of $78,538.
What is the poverty rate in Idaho Falls city, ID?
The poverty rate in Idaho Falls city is 12.0%. This means approximately 7,807 residents live below the federal poverty line.
What is the racial makeup of Idaho Falls city, Idaho?
Idaho Falls city's population is 77.6% White, 0.4% Black, 16.5% Hispanic/Latino, and 0.7% Asian.
What is the median home value in Idaho Falls city, ID?
The median home value in Idaho Falls city is $298,600. The home-value-to-income ratio is 4.3x.
How educated is Idaho Falls city, Idaho?
31.0% of adults (25+) in Idaho Falls city hold a bachelor's degree or higher, and 9.5% hold a graduate or professional degree.