83404 ZIP Code — Idaho Falls, ID

Bonneville County, Idaho

ZIP code 83404 is located in Idaho Falls, Idaho, within Bonneville County. It covers approximately 24.98 square miles and serves a population of 25,947 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 208.

About ZIP code 83404

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $318,200. Owner-occupancy is high at 76%, well above the national average.

The gap between median ($77,046) and mean household income suggests income inequality — a small number of higher earners pull the average up. 34% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 17 minutes is near the national average.

Educational attainment is near the national average, with 35% of residents holding a bachelor's degree or higher.

Overall, ZIP code 83404 reflects a community defined by high homeownership and a significant Social Security-dependent population.

25,947

population

24.98

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

83404 ZIP code map

Cities in ZIP code 83404

Below are the cities the US Postal Service accepts for ZIP code 83404. Using any city not on this list may result in mail delivery delays.

City	Status
Idaho Falls	Preferred

Nearby ZIP codes

83406 Idaho Falls (3.8 mi) 83415 Idaho Falls (4 mi) 83427 Iona (8.2 mi) 83401 Idaho Falls (8.8 mi) 83274 Shelley (15.2 mi) 83402 Idaho Falls (16.4 mi) 83236 Firth (17.6 mi) 83443 Ririe (17.7 mi) 83431 Lewisville (18.1 mi) 83442 Rigby (19.2 mi)

Demographics updated 06/2026

Population
Total population	25,947
Population density	1,039 / sq mi
State FIPS	16
County FIPS	019

Geography
Land area	24.98 sq mi
Water area	0.04 sq mi
Latitude	43.4279
Longitude	-111.9731
Timezone	Mountain (MT)
Area code	208

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	36.2%	39.7%	41.8%
$50k – $100k	30.7%	34.3%	34.0%
$100k – $200k	25.9%	20.7%	19.5%
Over $200k	7.2%	5.3%	4.7%

Demographics & statistics

25,947

Population

1,039

People per sq mi

37.0

Median age

$77,046

Median household income

$36,544

Per capita income

$318,200

Median home value

$961

Median monthly rent

75.5%

Home ownership

8.7%

Poverty rate

4.4%

Unemployment

7,177

Housing units

35.2%

Bachelor's or higher

Age distribution

Male Female

822

Under 5

836

1,200

5–9

1,221

1,162

10–14

1,183

902

15–19

918

438

20–24

445

1,481

25–34

1,506

1,854

35–44

1,886

1,328

45–54

1,351

601

55–59

612

832

60–64

847

1,208

65–74

1,229

788

75–84

801

246

85+

250

← Male

Female →

Age summary

Group	Count	%
Under 18	7,791	30.0%
18 and over	18,156	70.0%
65 and over	4,522	17.4%
Median age	37.0 years

Race & ethnicity

White 85.1%

Hispanic or Latino 5.4%

Two or more races 4%

Other race 3.2%

Asian 1.5%

American Indian / Alaska Native 0.5%

Black or African American 0.2%

Native Hawaiian / Pacific Islander 0.1%

Group	Count	%
White	23,340	85.1%
Hispanic or Latino	1,474	5.4%
Two or more races	1,109	4%
Other race	883	3.2%
Asian	410	1.5%
American Indian / Alaska Native	130	0.5%
Black or African American	56	0.2%
Native Hawaiian / Pacific Islander	19	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	36.2%	39.7%	41.8%
$50k – $100k	30.7%	34.3%	34.0%
$100k – $200k	25.9%	20.7%	19.5%
Over $200k	7.2%	5.3%	4.7%

Under $10k 5.0%

$10k–$15k 3.6%

$15k–$25k 5.5%

$25k–$35k 5.7%

$35k–$50k 11.2%

$50k–$75k 17.9%

$75k–$100k 13.5%

$100k–$150k 17.3%

$150k–$200k 8.8%

$200k+ 11.6%

Range	% of households
Under $10k	5.0%
$10k–$15k	3.6%
$15k–$25k	5.5%
$25k–$35k	5.7%
$35k–$50k	11.2%
$50k–$75k	17.9%
$75k–$100k	13.5%
$100k–$150k	17.3%
$150k–$200k	8.8%
$200k+	11.6%
Median income	$77,046

Housing

Home values

Under $50k 2.4%

$50k–$100k 2.3%

$100k–$150k 4.2%

$150k–$200k 10.0%

$200k–$300k 26.8%

$300k–$500k 38.5%

$500k–$1M 13.8%

$1M+ 2.0%

Housing overview

Metric	Value
Median home value	$318,200
Median rent / month	$961
Owner occupied	75.5%
Renter occupied	24.5%
Vacant	4.8%
Single-family detached	72.6%
Large apartment buildings	6.5%
Mobile homes	0.4%
Median rooms	7.5
Avg household size (owned)	3.00

Year built

Era	%
2020 or later	0.9%
2010–2019	8.4%
2000–2009	18.5%
1990–1999	16.8%
1980–1989	9.3%
1970–1979	13.7%
1960–1969	8.7%
1950–1959	11.7%
1940–1949	6.1%
1939 or earlier	5.8%

Bedrooms

Size	% of units
No bedroom (studio)	1.8%
1 bedroom	8.4%
2 bedrooms	19.0%
3 bedrooms	20.7%
4 bedrooms	22.8%
5+ bedrooms	27.4%

Vehicles per household

Vehicles	% of households
No vehicle	5.2%
1 vehicle	23.0%
2 vehicles	40.7%
3 or more	31.1%

Heating fuel

Fuel type	%
Utility gas	54.3%
Electricity	41.1%
Propane / LP gas	2.5%
Fuel oil	0.1%
Wood	0.7%
No fuel used	0.4%

Households & families

Household type	Count	%
Married-couple family	5,311	59.6%
Cohabiting couple	485	5.4%
Male householder, no spouse	1,061	11.9%
Female householder, no spouse	2,054	23.1%
Households with children under 18	3,146	35.3%
Households with seniors (65+)	3,071	34.5%
Average household size	2.86

Marital status

Status	Male	Female
Never married	27.0%	20.6%
Married	59.2%	58.3%
Separated	0.0%	0.2%
Widowed	1.7%	9.0%
Divorced	12.1%	11.9%

Education

Less than 9th grade 2.4%

Some HS, no diploma 6.6%

HS graduate 22.3%

Some college, no degree 22.1%

Associate's degree 11.4%

Bachelor's degree 21.6%

Graduate / professional 13.6%

Metric	%
HS diploma or higher	91.0%
Bachelor's or higher	35.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	458	6.1%
Kindergarten	455	6.0%
Elementary school	3,788	50.1%
High school	1,650	21.8%
College / grad school	1,213	16.0%

Employment

Industry of employment

Education & healthcare 26.1%

Professional & management 14.1%

Retail trade 13.9%

Construction 8.7%

Arts, food & hospitality 8.0%

Manufacturing 7.1%

Wholesale trade 4.5%

Public administration 4.4%

Transportation & utilities 3.7%

Finance & real estate 3.5%

Other services 3.0%

Agriculture & mining 1.6%

Information 1.5%

Occupation

Category	%
Management, business & arts	40.4%
Service	19.4%
Sales & office	20.8%
Natural resources & construction	8.6%
Production & transportation	10.7%

Employment type

Type	%
Private sector	77.6%
Government	15.6%
Self-employed	6.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	77.7%
Carpool	10.0%
Public transit	2.2%
Walk	1.3%
Work from home	7.2%
Other means	1.5%
Avg commute (minutes)	16.9

Poverty

All people 8.7%

Under 18 years 8.6%

18 and over 8.8%

Married-couple families 2.8%

Female-led households 21.9%

Income support

Source	% of households
Social Security	34.4%
Retirement income	26.9%
Supplemental Security	5.4%
Cash public assistance	2.1%
Food stamps / SNAP	9.3%

Health indicators

Condition	%
Obesity	33.1%
High blood pressure	29.4%
High cholesterol	31.4%
Diabetes	9.2%
Heart disease	6.3%
Stroke	2.9%
Asthma	9.3%
Arthritis	22.6%
Kidney disease	2.9%
Pulmonary disease	5.8%
Cancer	6.9%

Behavior / access	%
Smoking	15.0%
Binge drinking	12.9%
No physical activity	21.2%
Less than 7 hrs sleep	29.1%
Depression	19.2%
Fair or poor health	12.2%
Poor mental health	12.8%
Poor physical health	9.9%
No health insurance	14.3%
Visited doctor (checkup)	70.0%
Visited dentist	69.9%
Cholesterol screening	87.6%
Teeth loss	13.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,466	8.1%

Disability	%
Any disability	13.6%
Under 18	5.0%
18–64 years	11.9%
65 and over	33.5%

Health insurance coverage

Type	%
Private insurance	66.8%
Public insurance	39.0%
No insurance	8.2%
Uninsured under 19	2.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	24,289	93.6%
Spanish	460	1.9%
Other Indo-European	402	1.7%
Asian & Pacific Islander	35	0.1%
Other languages	23	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	25,053	96.6%
Born in same state	24,882	95.9%
Born in different state	14,312	55.2%
Foreign born	171	0.7%
Naturalized citizen	894	3.4%
Not a US citizen	419	46.9%

Ancestry

Ancestry	Count	%
French	7,211	27.8%
Italian	1,614	6.2%
Arab	1,486	5.7%
Polish	1,132	4.4%

Ancestry	Count	%
Dutch	722	2.8%
English	377	1.5%
German	69	0.3%
Irish	40	0.2%

Technology access

Metric	% of households
Computer access	34.3%
Internet access	95.2%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 83404

What city is ZIP code 83404 in?

ZIP code 83404 is primarily assigned to Idaho Falls, Idaho.

What county is ZIP code 83404 in?

ZIP code 83404 falls within Bonneville County, Idaho.

What is the typical home value in ZIP code 83404?

The median home value in ZIP code 83404 is $318,200.

What is the population of ZIP code 83404?

ZIP code 83404 has an estimated population of 25,947 residents, with a density of 1,039 people per square mile.

What is the median household income in ZIP code 83404?

The median household income in ZIP code 83404 is $77,046, above the national median of ~$75,000.

What timezone is ZIP code 83404 in?

ZIP code 83404 observes the MST timezone.