Idaho Falls, Idaho Population 2021

64,618
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Idaho Falls is a city located in Bonneville County Idaho. It is also the county seat of Bonneville County. With a 2020 population of 64,618, it is the 4th largest city in Idaho (after Boise, Meridian, and Nampa) and the 593rd largest city in the United States . Idaho Falls is currently growing at a rate of 1.36% annually and its population has increased by 13.74% since the most recent census, which recorded a population of 56,813 in 2010. Idaho Falls reached it's highest population of 64,618 in 2021. Spanning over 25 miles, Idaho Falls has a population density of 2,693 people per square mile.

The average household income in Idaho Falls is $75,356 with a poverty rate of 13.43%. The median rental costs in recent years comes to $776 per month, and the median house value is $164,500. The median age in Idaho Falls is 33.4 years, 32.6 years for males, and 34.3 years for females.

Idaho Falls Demographics

According to the most recent ACS, the racial composition of Idaho Falls was:

  • White: 88.14%
  • Other race: 5.59%
  • Two or more races: 3.44%
  • Asian: 1.49%
  • Black or African American: 0.72%
  • Native American: 0.56%
  • Native Hawaiian or Pacific Islander: 0.07%
The current population of Idaho Falls, Idaho is 64,618 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 62,023.The last official US Census in 2010 recorded the population at 56,813.

Idaho Falls, Idaho Population 2021

2019 and 2020 population is estimated by projecting the raw 2018 numbers.

Year Population Growth Growth Rate
2021157,7183,0941.96%
2020154,6243,0942.00%
2019151,5303,0942.04%
2018148,4362,9241.97%
2017145,5122,9922.06%
2016142,5202,9782.09%
2015139,5421,7041.22%
2014137,8389980.72%
2013136,8406750.49%
2012136,1651,2060.89%
2011134,9591,1460.85%
2010133,8130.00%

Idaho Falls Metro Area Population by Year

Population by Race

Race Population Percentage
White54,16788.14%
Some Other Race3,4335.59%
Two or More Races2,1133.44%
Asian9171.49%
Black or African American4420.72%
American Indian and Alaska Native3440.56%
Native Hawaiian and Other Pacific Islander430.07%
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Idaho Falls Population by Race

Idaho Falls Population Pyramid $2021

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Idaho Falls Median Age

33.4


Total

32.6


Male

34.3


Female

Idaho Falls Adults

There are 43,771 adults, (8,449 of whom are seniors) in Idaho Falls.

Idaho Falls Age Dependency

74

Age Dependency Ratio

23.9

Old Age Dependency Ratio

50.1

Child Dependency Ratio

Idaho Falls Sex Ratio

Female

30,559

49.72%

Male

30,900

50.28%

Idaho Falls Population by Age

Idaho Falls Renter vs Owner Occupied by Household Type

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Idaho Falls Household Types

Type Owner Renter
Married78.5%21.5%
All63.1%36.9%
Non Family48.2%51.8%
Female45.2%54.8%
Male44.9%55.1%

63.1%

Rate of Home Ownership

Idaho Falls Households and Families

Type Count Average Size Owned
All22,8892.6363.1
Married11,6283.478.5
Non Family7,7791.2148.2
Female2,3033.2345.2
Male1,1793.344.9

3.27

Average Family Size

2.63

Average Household Size

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Idaho Falls Households by Type

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Education Attained Count Percentage
Less Than 9th Grade1,1473.00%
9th to 12th Grade2,0965.49%
High School Graduate9,64625.26%
Some College10,01826.23%
Associates Degree3,5479.29%
Bachelors Degree7,74420.28%
Graduate Degree3,99110.45%
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Idaho Falls Educational Attainment by Sex (over 25)

Idaho Falls Educational Attainment by Race

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Race Total High School Bachelors
White32,32730,50810,962
Hispanic4,2282,949300
Other Race1,8951,25484
Asian703674370
2+ Races63954291
Native American28422924
Black21519949
Islander77

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 52.63%.

Idaho Falls Educational Attainment by Race

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Name Average Male Female
Overall$32,332$42,731$24,472
Less Than 9th Grade$25,374$30,719$14,340
High School Graduate$26,521$31,214$19,082
Some College$29,111$38,787$21,645
Bachelors Degree$45,469$71,283$32,750
Graduate Degree$86,674$105,246$50,833

$32,332

Average Earnings

$42,731

Average Male

$24,472

Average Female

Idaho Falls Earnings by Educational Attainment

Idaho Falls Language by Age

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Idaho Falls Language

87.77% of Idaho Falls residents speak only English, while 12.23% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 10.16% of the population.

Idaho Falls Language

Idaho Falls Poverty by Race

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Name Total In Poverty Poverty Rate
White48,6446,31212.98%
Hispanic8,7451,32515.15%
Multiple2,08738118.26%
Other3,4333119.06%
Asian91515617.05%
Native3076119.87%
Islander4343100.00%
Black426358.22%

13.43%

Overall Poverty Rate

11.12%

Male Poverty Rate

15.75%

Female Poverty Rate

Poverty in Idaho Falls

The race most likely to be in poverty in Idaho Falls is Islander, with 100.00% below the poverty level.

The race least likely to be in poverty in Idaho Falls is Black, with 8.22% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.72%. Among those working part-time, it was 16.18%, and for those that did not work, the poverty rate was 18.49%.

Idaho Falls Poverty

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Name Poverty
Less Than 9th Grade20.15%
High School13.15%
Some College10.77%
Bachelors or Greater5.15%

Idaho Falls Poverty Rate by Education

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Rate Poverty
Male Unemployed36.98%
Female Unemployed18.53%
Female Employed8.82%
Male Employed7.45%

Idaho Falls Poverty Rate by Employment Status and Sex

Idaho Falls Income by Household Type

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Name Median Mean
Households$53,148$75,356
Families$65,076$88,373
Married Families$75,682$99,248
Non Families$31,127$45,193
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Income by Household Type

Idaho Falls Marital Status

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Marriage Rates

52.8%

Overall Marriage Rate

54.2%

Male Marriage Rate

51.5%

Female Marriage Rate

Idaho Falls Married by Age and Sex

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Idaho Falls Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 45-54.

Idaho Falls Marital Status by Race

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Idaho Falls Marital Status

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3,427

Number of Veterans

3,253

Male Veterans

174

Female Veterans

War Veterans
Vietnam1,230
First Gulf War723
Second Gulf War542
Korea339
World War II215

Idaho Falls Veterans by War

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Age Group Veterans
65 to 74906
75+879
35 to 54790
55 to 64578
18 to 34274

Idaho Falls Veterans by Age

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Name Veterans % of Total
White3,2298.26%
Hispanic1162.22%
2+ Races546.03%
Native American4414.97%
Asian415.37%
Black359.41%
Other Race241.03%

Idaho Falls Veterans by Race

Idaho Falls Veterans by Education

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7.82%

Veteran Poverty Rate

30.29%

Veteran Disability Rate

Idaho Falls Veterans by Education

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63.3%

Labor Force Participation

60.8%

Employment Rate

3.9%

Unemployment Rate

Idaho Falls Employment by Age

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Idaho Falls Employment by Race

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Idaho Falls Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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55.77%

Born in Idaho Falls

94.20%

Native Born

5.80%

Foreign Born

3.10%

Non Citizen

2.71%

Naturalized

Place of Birth

94.20% of Idaho Falls residents were born in the United States, with 55.77% having been born in Idaho. 3.10% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Idaho Falls Place of Birth

Year Population Growth Annual Growth Rate
202164,6188651.36%
202063,7538651.38%
201962,8888651.39%
201862,0232550.41%
201761,7689711.60%
201660,7979391.57%
201559,8585380.91%
201459,3202860.48%
201359,0341740.30%
201258,8603420.58%
201158,5185230.90%
201057,9957,2651.35%
200050,7306,8011.45%
199043,9294,1901.01%
198039,7393,9631.06%
197035,7762,6150.76%
196033,16113,9435.61%
195019,2184,1942.49%
194015,0245,5954.77%
19309,4291,3651.58%
19208,0643,2375.27%
19104,8273,52714.02%
19001,3000.00%

Idaho Falls Population by Year