Idaho Falls, Idaho Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Idaho Falls, Idaho is 66,672 as of the 2023 American Community Survey, making it the 4th-largest city in Idaho. The median household income is $69,630, the median home value is $298,600, and the median age is 33.5.
The population has grown 19.9% since 2010 (57,995 → 69,523).
66,672
Population
2456
People / sq mi
$69,630
Median Income
$298,600
Median Home Value
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Idaho Falls covers 27.1 sq mi of land at 2456 people per square mile.
About Idaho Falls, ID
Idaho Falls skews on age — the median resident is 33.5, younger than the national median. Idaho Falls is a city in Idaho with a population of 66,672. It is the #4-largest of all cities in Idaho nationally.
Household earnings are middling, with a median of $69,630 — below the US median of $78,538. Poverty runs at 8.1%, below the national 12.4%. Homes carry a median value of $298,600, with typical rent around $992.
Roughly 31.0% of adults have a bachelor’s, below the national 35.0%. Remote work is below the national 14.0% at 8.3%, and the average commute runs about 18 minutes each way.
Idaho Falls city Population History (2010-2024)
The city of Idaho Falls city had a population of 57,995 in 2010 and 69,523 in 2024, a 19.9% growth over 14 years. The peak was 69,523 in 2024. Average annual growth rate: 1.31%.
69,523
Population (2024)
57,995
Population (2010)
69,523
Peak (2024)
1.31%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 57,995 |
| 2011 | 58,518 |
| 2012 | 58,860 |
| 2013 | 59,034 |
| 2014 | 59,320 |
| 2015 | 59,858 |
| 2016 | 60,797 |
| 2017 | 61,768 |
| 2018 | 62,023 |
| 2019 | 62,888 |
| 2020 | 65,929 |
| 2021 | 67,192 |
| 2022 | 67,852 |
| 2023 | 68,072 |
| 2024 | 69,523 |
Race & Ethnicity
| White | 82.8% |
| Black or African American | 0.4% |
| Asian | 0.1% |
| Hispanic or Latino (any race) | 2.5% |
| Two or More Races | 0.1% |
Economy & Income
$69,630
Median Household Income
$33,511
Per Capita Income
8.1%
Poverty Rate
2.6%
Unemployment Rate
Housing
$298,600
Median Home Value
$992
Median Rent
64.1%
Owner-Occupied
Education
90.5%
High School+
31.0%
Bachelor's+
Commute
2.6%
Drive Alone
74.0%
Public Transit
8.3%
Work From Home
18.2 min
Avg Commute
Community Profile
39.3%
Foreign Born
89.3%
Non-English at Home
7.9%
Veterans
14.3%
With Disability
91.9%
Health Insurance
96.3%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 22.4% |
| Finance, Insurance & Real Estate | 13.6% |
| Education, Health Care & Social Services | 9.8% |
| Manufacturing | 9.6% |
| Construction | 8.3% |
| Public Administration | 4.4% |
| Arts, Entertainment & Food Services | 3.8% |
| Retail Trade | 3.7% |
| Information | 3.7% |
| Transportation & Warehousing | 1.5% |
| Agriculture & Mining | 1.5% |
Largest cities in Idaho
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City rankings
Frequently Asked Questions
Idaho Falls, Idaho has a population of 66,672 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 4th-largest city in Idaho.
The median household income in Idaho Falls, Idaho is $69,630, with 8.1% of residents living below the federal poverty level.
The median home value in Idaho Falls, Idaho is $298,600, with median monthly rent at $992 and a homeownership rate of 64.1%.
The median age in Idaho Falls, Idaho is 33.5 years. The population is 49.0% male and 51.0% female.
The population has grown 19.9% since 2010 (57,995 → 69,523).
Where to stay in Idaho Falls
Visiting or relocating to Idaho Falls, ID? Compare hotels and short-term rentals across the metro — live availability and prices.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.