Idaho Falls Flag

Idaho Falls

County Seat:
Yes
Area (mi²):
27.157
State:
Idaho

Idaho Falls is a city located in Bonneville County, Idaho. Idaho Falls has a 2026 population of 71,320. It is also the county seat of Bonneville County. Idaho Falls is currently growing at a rate of 1.28% annually and its population has increased by 8.18% since the most recent census, which recorded a population of 65,929 in 2020.

The median household income in Idaho Falls is $73,110 with a poverty rate of 11.52%. The median age in Idaho Falls is 33.7 years: 33.8 years for males, and 33.6 years for females. For every 100 females there are 98.3 males.

71.3K
Total Population
2,626
Density (mi²)
899 1.28%
Growth

Idaho Falls Population

Idaho Falls Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202671,3208991.28%
202570,4218981.29%
202469,5231,4512.13%
202368,0722200.32%
202267,8526600.98%
202167,1921,2631.92%
202065,9293070.47%
201963,0448901.43%
201862,1543140.51%
201761,8401,0131.67%
201660,8279291.55%
201559,8985470.92%
201459,3512930.5%
201359,0581830.31%
201258,8753440.59%
201158,5315330.92%
201057,9981,1852.09%
200050,7306,80115.48%
199043,9294,19010.54%
198039,7393,96311.08%
197035,7762,6157.89%
196033,16113,94372.55%
195019,2184,19427.92%
194015,0245,59559.34%
19309,4291,36516.93%
19208,0643,23767.06%
19104,8273,527271.31%
19001,30000%

Median Age

Overall: 33.7 years
Female: 33.6 years
Male: 33.8 years

Idaho Falls Adults

There are 48,883 adults, (9,199 of whom are seniors) in Idaho Falls.

Sex Ratio

Female: 34,153 (50.4%)
Male: 33,572 (49.6%)

Demographics

The racial composition of Idaho Falls includes 82.78% White, 5.86% other race, and smaller percentages for Native American, Asian, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White56,06282.78%
Two or more races6,0498.93%
Other race3,9725.86%
Native American6861.01%
Asian4440.66%
Black or African American3280.48%
Native Hawaiian or Pacific Islander1840.27%
Race
Population ↓
Percentage (of total)
Other race3,8795.73%
White3,6015.32%
Two or more races3,4515.1%
Native American2790.41%
Asian720.11%
Black or African American40.01%
Race
Population ↓
Percentage (of total)
White52,46177.46%
Two or more races2,5983.84%
Native American4070.6%
Asian3720.55%
Black or African American3240.48%
Native Hawaiian or Pacific Islander1840.27%
Other race930.14%

Idaho Falls Marital Status

Economics and Income Statistics

Idaho Falls ' average per capita income is $44,403. Household income levels show a median of $73,110. The poverty rate stands at 11.52%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$99,720-
Families$87,131$111,108
Households$73,110$95,653
Non Families$46,165$61,602

$44,403

Average Income

$73,110

Median Household Income

11.52%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)