Idaho Falls, ID

City in Bonneville County, ID, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

67,725

Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates

Median Age

33.7

years ∙ half population younger than 33.7, half older

Diversity Index

37%

chance two random people differ in race and ethnicity

Nativity

4.2%

foreign-born population

95.8%Native

4.2% Foreign-born

Geographic Context

Location, size, and surroundings

About

Idaho Falls is a city within Bonneville County, Idaho, United States.

Location

City in Bonneville County, ID, US

Co-ordinates

DEC43.489616° N, 112.035340° W

DMS43° 29′ 22.62″ N, 112° 02′ 07.22″ W

Population Density & area

2,490/sq mi (963.4/km²)

Total Area

27.8 sq mi (71.8 km²)

Land Area

27.2 sq mi (70.3 km²) · 98%

Water Area

0.6 sq mi (1.5 km²) · 2%

Demographics & Living

Who lives here, how households are formed, and community composition

Population Composition

Key characteristics of the population

Sex Distribution

49.6% male

Male 49.6%

Female 50.4%

males per 100 females

Idaho Falls 98.3

Bonneville County 100.7

Idaho 101.3

Nativity

4.2%

foreign-born population

95.8%Native

4.2% Foreign-born

% Foreign-born

Idaho Falls 4.2%

Bonneville County 4.1%

Idaho 5.9%

Age Distribution

How the population is spread across age groups

Median Age

33.7

years ∙ half population younger than 33.7, half older

Idaho Falls

33.7

Bonneville County

33.6

Idaho

37.3

Dependency ratio

70.7

dependents per 100 working-age adults

Idaho Falls 70.7

Bonneville County 77.5

Idaho 69.8

AGE DISTRIBUTION

Distribution of age group

Median age

	Idaho Falls	Bonneville County	Idaho
Age Group
Children (Under 18)	27.8%	29.8%	24.1%
Working age (18-64)	58.6%	56.3%	58.9%
Senior (65+)	13.6%	13.9%	17%
Dependency ratio
Total dependency ratio	70.7	77.5	69.8
Child dependency ratio	47.5	52.9	40.9
Old-age dependency ratio	23.2	24.6	28.8

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

77.5%

Black

0.5%

Asian

0.5%

Hispanic

16.7%

Other

4.8%

Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.

Diversity Index

37%

chance two random people differ in race and ethnicity

Idaho Falls 37%

Bonneville County 33.5%

Idaho 36.2%

Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.

RACIAL & ETHNIC COMPOSITION

Race & Ethnicity

Percentage of Idaho Falls population

	Idaho Falls	Bonneville County	Idaho
Hispanic or Latino	16.7%	14.5%	13.6%
Mexican	13.8%	12.1%	11%
Puerto Rican	0.2%	0.4%	0.3%
Cuban	0.1%	0.2%	0.1%
Other Hispanic / Latino	2.6%	1.9%	2.3%
Not Hispanic or Latino	83.3%	85.5%	86.4%
One race	79.5%	82.2%	82.2%
White	77.5%	80.2%	78.6%
Black or African American	0.5%	0.3%	0.7%
American Indian and Alaska Native	0.6%	0.4%	0.7%
Asian	0.5%	0.9%	1.3%
Native Hawaiian and Other Pacific Islander	0.3%	0.1%	0.1%
Some Other Race	0.1%	0.4%	0.6%
Two or more races (Multiracial)	3.8%	3.3%	4.2%

Household & Families Composition

Household size, type, and family structure

Household structure

64.2% family

Family 64.2%

Non family 35.8%

% family households

Idaho Falls 64.2%

Bonneville County 69.7%

Idaho 68.5%

Average household size

2.68

persons per household

Idaho Falls

2.68

Bonneville County

2.9

Idaho

2.64

Household & Family COMPOSITION

Households

Percentage of Idaho Falls population

	Idaho Falls	Bonneville County	Idaho
Total households	24,728	44,184	713,005
Average houshold size	2.68	2.9	2.64
Family households	15,871	30,809	488,374
Average family size	3.36	3.52	3.16
Married couple family	11,865	24,295	392,938
Other families	4,006	6,514	95,436
Male householder	1,003	1,800	33,551
Female householder	3,003	4,714	61,885
Non-family households	8,857	13,375	224,631
One-person households	7,057	10,790	173,906
Male householder	3,413	5,407	81,328
Senior (65+) living alone	874	1,310	28,911
Female householder	3,644	5,383	92,578
Senior (65+) living alone	1,692	2,917	49,029
Other living arrangements	1,800	2,585	50,725

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

26,531

housing units

Idaho Falls 26,531

Bonneville County 47,489

Idaho 795,014

Occupancy status

93.2% occupied

Occupied 93.2%

Vacant 6.8%

vacancy rate

Idaho Falls 6.8%

Bonneville County 7%

Idaho 10.3%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

70.1%

Single family houses

70.1%

Apartments in multi-unit structures

27.7%

Mobile homes

2.2%

Boat, RV, van, etc

Median Year Built

1977

Half of houses were built before 1977, and half after.

Historic ∙ 1939 or earlier

9.8%

Postwar & mid-century ∙ 1940 - 1969

29%

Late 20th century ∙ 1970 - 1999

38.6%

Modern ∙ 2000 or later

22.4%

Note: Median year built reflects occupied units only; distribution includes all units.

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Idaho Falls	Bonneville County	Idaho
Rooms per unit
Median rooms	6.2	6.6	5.9
1–3 rooms	13.2%	10%	10.8%
4–6 rooms	39.7%	38.8%	49.9%
7+ rooms	47.2%	51.3%	39.2%
Bedrooms
No bedroom / studio	3.2%	2.4%	1.9%
1 bedroom	8.5%	6%	6.5%
2 bedrooms	25.6%	20.9%	21.7%
3 bedrooms	23.4%	26.3%	40.9%
4+ bedrooms	39.3%	44.4%	28.9%
At a glance
Median year built	1977	1987	1992
Total housing units	26,531	47,489	795,014

Occupancy Profile

Who is inside and how they use it

Homeownership

64.2% owners

Renter-occupied 35.8%

Owner-occupied 64.2%

homeownership rate

Idaho Falls 64.2%

Bonneville County 71.7%

Idaho 72.1%

Average household size

2.9

Owner-occupied

2.3

Renter-occupied

owner-occupied average size

Idaho Falls 2.9

Bonneville County 3.08

Idaho 2.73

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Idaho Falls	Bonneville County	Idaho
Total occupied units	24,728	44,184	713,005
Year moved in
2020 or later	29%	26%	26.4%
2010 to 2019	43.1%	42.1%	43.2%
2000 to 2009	13.4%	15.9%	15.1%
1999 or earlier	14.5%	16.1%	15.4%
Occupants per room
1.00 or fewer	97.4%	96.8%	96.9%
1.01 to 1.50	1.6%	2.4%	2.3%
1.51 or more	1%	0.8%	0.8%
Vehicles availability
No vehicles	3.3%	3.1%	3.7%
1 vehicle	29.3%	23.5%	24.1%
2 vehicles	39.8%	39.4%	39.4%
3 or more vehicles	27.6%	34%	32.9%
House heating fuel used
Gas	50.4%	59.9%	56.9%
Electricity	47.8%	37.8%	35.2%
Solar	0%	0.1%	0.2%
Fuel oil, kerosene etc	0%	0.3%	1.2%
All other fuels	1.1%	1.5%	6.1%
No fuel used	0.6%	0.4%	0.4%
Selected characteristics
Lacking complete plumbing	0.3%	0.3%	0.4%
Lacking complete kitchen	0.9%	0.9%	0.8%
No telephone service available	0.4%	0.5%	0.9%

Housing Value

What owner-occupied units are worth

Median home value

$335,500

owner-occupied units

Median value(USD)

Idaho Falls

$335,500

Bonneville County

$368,800

Idaho

$418,600

Housing Cost Burden

29.1%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

29.1%

Owners without a mortgage

5.2%

Renters

42.3%

Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.

Financial characteristics

Property value and housing costs

Tenure, crowding, and utilities

	Idaho Falls	Bonneville County	Idaho
Property value
Median Value	$335,500	$368,800	$418,600
Under $100,000	5.3%	5.7%	6.7%
$100,000 - $200,000	10.7%	8.3%	7.5%
$200,000 - $300,000	24.8%	18.9%	13.7%
$300,000 - $500,000	43.8%	45.1%	36.9%
$500,000 - $1,000,000	14.7%	20.3%	29.3%
$1,000,000 and more	0.7%	1.6%	5.8%
Owner-occupied households
With a mortgage	63.8%	64.7%	62.2%
Without a mortgage	36.2%	35.3%	37.8%
Median monthly owner costs
With a mortgage	$1,570	$1,591	$1,687
Without a mortgage	$472	$474	$493
Gross rent
Median rent	$1,075	$1,133	$1,238

Education Profile

How educated is the community and how education pays off

Adults with a college degree

31.7%

of adults 25+ with a bachelor's degree or higher

Idaho Falls 31.7%

Bonneville County 33.1%

Idaho 31.8%

Adults without a high school diploma

9.4%

of adults (25+) without a high school diploma

Idaho Falls 9.4%

Bonneville County 8.1%

Idaho 8.2%

School Enrollment

Who is enrolled in school and at what level

School enrollment

18,056

population (age 3+) enrolled in school

Nursery / Preschool

4.2%

K–12

78.8%

College / Undergraduate

13.7%

Graduate / Professional

3.4%

College-going rate (18-24 yr olds)

18.2%

of 18-24-year-olds in college or graduate school

Idaho Falls

18.2%

Bonneville County

21.2%

Idaho

37.7%

Enrollment & school type

Enrollment levels, college-going rate, and public vs private school split

Population 3+ currently enrolled in a school

	Idaho Falls	Bonneville County	Idaho
Total enrolled (age 3+)	18,056	36,488	492,784
Nursery / preschool	4.2%	4.5%	5%
K–12	78.8%	79.7%	70.3%
Kindergarten	5.9%	5.7%	4.8%
Elementary: Grades 1–4	24.7%	24.2%	20.7%
Elementary: Grades 5–8	26.5%	25.7%	22.5%
High School: Grades 9–12	21.6%	24.1%	22.4%
College or graduate school	17.1%	15.8%	24.7%
College, undergraduate	13.7%	12.6%	20.8%
Graduate, professional school	3.4%	3.2%	4%
College-going rate · 18-24 yr olds	18.2%	21.2%	37.7%
School type
Public school	85%	87%	81.1%
Private school	15%	13%	18.9%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

42,792

population 25 years and over

Total adults (25+)

Less than 9th grade

3.4%

9th-12th, no diploma

HS graduate

24.4%

Some college no degree

24.3%

Associates degree

10.2%

Bachelors degree

22.1%

Graduate or professional degree

9.6%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

58.8% · 41.2%

9th-12th, no diploma

40.8% · 59.2%

HS graduate

53.4% · 46.6%

Some college no degree

47.6% · 52.4%

Associates degree

47% · 53%

Bachelors degree

46.4% · 53.6%

Graduate or professional degree

59.8% · 40.2%

Educational Attainment Overview

Distribution and key education attainment rates for adults (25+)

Highest credential completed · adults 25+

	Idaho Falls	Bonneville County	Idaho
Population (25+)	42,792	80,020	1,278,185
Less than 9th grade	3.4%	2.9%	3.2%
9th–12th, no diploma	6%	5.2%	5%
High school diploma or GED	24.4%	23.6%	26.1%
Some college, no degree	24.3%	24%	24.2%
Associate's degree	10.2%	11.3%	9.7%
Bachelor's degree or higher	31.7%	33.1%	31.8%
Bachelor's degree	22.1%	23%	21.3%
Graduate or professional	9.6%	10.1%	10.5%
High School or higher	90.6%	91.9%	91.9%

Earnings by education level

percentage as applicable

Median Earnings

$44,403

Median earnings for adults 25+, by level

Less than HS graduate

$31,713

HS graduate

$33,258

Some college or associates

$38,223

Bachelors degree

$62,806

Graduate or professional degree

$100,462

Poverty Rate

3.4%

for ages 25+, with bachelors degree or higher

Less than HS graduate

16%

HS graduate

14.3%

Some college or associates

8.4%

Bachelors degree or higher

3.4%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Idaho Falls	Bonneville County	Idaho
Median earnings
Population 25+, with earnings	$44,403	$47,313	$47,428
Less than high school graduate	$31,713	$34,283	$35,526
High school graduate (includes equivalency)	$33,258	$33,745	$39,186
Some college or associate's degree	$38,223	$41,726	$43,363
Bachelor's degree	$62,806	$60,260	$58,289
Graduate or professional degree	$100,462	$102,090	$79,351
Poverty rates
Less than high school graduate	16%	15.7%	18%
High school graduate (includes equivalency)	14.3%	11.6%	12%
Some college or associate's degree	8.4%	7.5%	8.3%
Bachelor's degree or higher	3.4%	3.1%	4.5%

Insights for Idaho Falls, by topic

Income By year By race By age By gender

Population By year By race By age By gender

About Neilsberg Research

Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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