What city is 83404 in?

83404 is a Idaho Falls, ID mailing address. By land area, 28% lies inside Idaho Falls; the rest is outside any Census-defined city or community.

What is the population of 83404?

About 27,500 people (±1,397), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 25,491.

What is the median household income in 83404?

$82,103 (±$7,272), compared with $77,800 for Idaho as a whole. Half the households in the ZIP code earn more and half earn less.

How many carrier routes and mailboxes are in 83404?

17 USPS carrier routes with 11,026 residential and 773 business mailboxes (11,803 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.

What ZIP codes are near 83404?

The closest, measured center to center: 83406 (4.2 mi, Ammon), 83274 (6.8 mi, Shelley), 83218 (10.6 mi, Basalt), 83401 (10.6 mi, Idaho Falls), 83402 (10.8 mi, Idaho Falls) and 83454 (12 mi, Ucon).

83404 ZIP Code, Idaho Falls, ID

83404 is a ZIP code in Idaho Falls, Idaho in Bonneville County. It covers 25 square miles of land. The closest ZIP codes are 83406, 83274 and 83218. 27,500 people live here in 9,386 households, more than in 9 of every 10 Idaho ZIP codes. At about 1,101 people per square mile it has suburban density, and most homes are owner-occupied (74%). Median household income is $82,103, close to the Idaho median of $77,800.

Quick facts

Mailing city: Idaho Falls, ID
County: Bonneville County
Land area: 25 sq mi
Population: 27,500
Median household income: $82,103
Carrier routes: 17 (11,026 homes)

Key figures

Measure	Value
Residents	27,500
Households	9,386
Median household income	$82,103
Income per person	$39,871
Median age	36.7
Homeowners	74.3%
Median home value	$394,300
Median rent	$1,070
Bachelor's degree or higher	37.1%
Average commute (minutes)	17.4
Households with kids under 18	36.2%
Moved in the past year	9.9%
Below the poverty line	8.3%
Broadband internet	94.6%
Speak a non-English language at home	6.3%

Household income

% of households	Value
<$10K	3.8%
$10–15K	2.8%
$15–25K	4.7%
$25–35K	5.3%
$35–50K	9.9%
$50–75K	17.4%
$75–100K	15.7%
$100–150K	18.7%
$150–200K	8.9%
$200K+	12.9%

Age

% of all residents	Value
<10	16.4%
10–19	14.5%
20–24	4.3%
25–34	11.8%
35–44	14.2%
45–54	10.4%
55–64	11.0%
65–74	9.7%
75+	7.6%

Tenure

% of housing units	Value
Owned, with mortgage	45.9%
Owned outright	25.0%
Rented	24.3%
Vacant	4.8%

Type of building

% of housing units	Value
Detached house	71.0%
Townhome	8.7%
2–4 units	7.3%
5–19 units	6.4%
20+ units	6.0%
Mobile / other	0.5%

Businesses in 83404

1,013 business establishments with 12,656 employees (ZIP Codes Business Patterns 2023).

Health Care and Social Assistance: 356
Retail Trade: 121
Professional, Scientific, and Technical Services: 120
Finance and Insurance: 78
Construction: 76
Real Estate and Rental and Leasing: 73
Accommodation and Food Services: 59
Other Services (except Public Administration): 30

EDDM carrier routes

83404 has 17 USPS carrier routes with 11,026 residential and 773 business mailboxes. Open the EDDM route map.

Carrier routes in 83404

83404 has 17 USPS carrier routes (11 city (C), 6 rural (R)) with 11,026 residential and 773 business mailboxes. Routes range from 309 homes (C052) to 901 homes (R003); the median route has 649 homes. The Census counted 9,386 households in 83404 (2020–2024 average); USPS counts current mailboxes, including new and vacant homes.

Homes per route	Routes
1–249	0
250–499	3
500–749	10
750–999	4
1,000–1,499	0
1,500+	0

Best routes in 83404 for…

Most businesses

For B2B offers: office supplies, cleaning, IT, catering and commercial services.

Route C033 — USPS business mailboxes 234, 796 homes
Route R020 — USPS business mailboxes 172, 597 homes
Route C041 — USPS business mailboxes 134, 452 homes
Route C052 — USPS business mailboxes 63, 309 homes
Route C032 — USPS business mailboxes 54, 582 homes

Select these 5 routes on the route map

Every carrier route in 83404

Route	Type	Homes	Businesses	Est. median income	Est. owners	Est. families with kids	Est. moved in past year
C007	City	498	15	$80,045	—	—	—
C012	City	649	15	$49,679	—	—	—
C018	City	652	24	$91,694	—	—	—
C024	City	575	25	$68,343	—	—	—
C032	City	582	54	$49,144	—	—	—
C033	City	796	234	$49,144	—	—	—
C038	City	598	9	$49,679	—	—	—
C041	City	452	134	$92,274	—	—	—
C043	City	581	1	$113,616	—	—	—
C047	City	707	0	$101,896	—	—	—
C052	City	309	63	$101,896	—	—	—
R003	Rural	901	8	$92,274	—	—	—
R010	Rural	728	1	$76,078	—	—	—
R013	Rural	739	4	$117,550	—	—	—
R017	Rural	810	2	$92,274	—	—	—
R020	Rural	597	172	$117,550	—	—	—
R025	Rural	852	12	$117,550	—	—	—

Income, owners, families and movers are estimates for each route (how we estimate them); mailbox counts are current USPS figures. Open 83404 on the EDDM route map.

How route demographics are estimated

Mailbox counts come from USPS; demographics are estimates

The number of homes and businesses on each carrier route is the current USPS EDDM count. The Census Bureau does not publish figures for carrier routes, so income, homeownership, ages, families, movers and housing age on a route are EDDM2GO estimates built from Census block groups (neighborhood areas of roughly 600 to 3,000 people).

How a route gets its figures: the block-group length-share method

We trace each route's streets every 25 meters and record which block group each stretch falls in. The route's homes are spread along its streets in proportion to length, so a route with 60% of its street length in one block group is assumed to have 60% of its homes there. Each block group then contributes its Census counts in proportion to the share of its housing units that sit on the route (capped at the whole block group). Medians are recalculated from the combined income, home-value and age brackets, the way the Census Bureau computes them, not averaged.

Margins of error

Census survey figures carry a margin of error at 90% confidence; we carry it through the calculation and show it as ±. Our margins treat the route-to-block-group split as exact, so the real uncertainty is larger. Routes with fewer than 100 estimated households, large margins, or streets we could not place are flagged.

Different years

USPS mailbox counts are current. Census figures are 5-year averages for 2020–2024, so a new subdivision may have more homes on the route today than the Census counted. Use the route figures to compare routes with each other, not as an exact head count.

Why some routes show identical figures

Two routes that run through the same block group get the same percentages and medians, because the Census publishes one set of figures for the whole block group. Their mailbox counts still differ, and those are exact.

Route and mailbox counts: USPS EDDM route data. Route demographics: EDDM2GO estimates from U.S. Census Bureau American Community Survey 5-year block-group data (2020–2024) and 2024 cartographic block-group boundaries. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Nearby ZIP codes

83406 — Ammon city, ID (4.2 mi)
83274 — Shelley city, ID (6.8 mi)
83218 — Basalt city, ID (10.6 mi)
83401 — Idaho Falls city, ID (10.6 mi)
83402 — Idaho Falls city, ID (10.8 mi)
83454 — Ucon city, ID (12 mi)
83427 — Iona city, ID (14 mi)
83442 — Rigby city, ID (16.7 mi)

Areas that include 83404

Idaho Falls, ID ZIP codes — 4 ZIP codes
Bonneville County ZIP codes — 12 ZIP codes
Idaho ZIP code data

Where it ranks

Mail every home in 83404

Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.

EDDM guides

ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 83404, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 83404 in?: 83404 is a Idaho Falls, ID mailing address. By land area, 28% lies inside Idaho Falls; the rest is outside any Census-defined city or community.
What county is 83404 in?: 83404 is in Bonneville County.
What is the population of 83404?: About 27,500 people (±1,397), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 25,491.
What is the median household income in 83404?: $82,103 (±$7,272), compared with $77,800 for Idaho as a whole. Half the households in the ZIP code earn more and half earn less.
How many carrier routes and mailboxes are in 83404?: 17 USPS carrier routes with 11,026 residential and 773 business mailboxes (11,803 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.
What ZIP codes are near 83404?: The closest, measured center to center: 83406 (4.2 mi, Ammon), 83274 (6.8 mi, Shelley), 83218 (10.6 mi, Basalt), 83401 (10.6 mi, Idaho Falls), 83402 (10.8 mi, Idaho Falls) and 83454 (12 mi, Ucon).

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.