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County ZIP codes · Idaho · FIPS 16019

Bonneville County, ID ZIP Codes

Bonneville County, Idaho has 15 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 12 residential and 3 for PO boxes or a single organization. 11 of the residential ones lie mainly in Bonneville County and 1 mainly in a neighboring county; 5 cross the county line. Median household income ranges from $65,590 in 83443 (Ririe) to $88,260 in 83442 (Rigby) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Bonneville County?

83120 · Freedom: $59k83285 · Wayan: –83401 · Idaho Falls: $79k83402 · Idaho Falls: $75k83404 · Idaho Falls: $82k83406 · Idaho Falls: $87k83427 · Iona: $84k83428 · Irwin: $69k83442 · Rigby: $88k83443 · Ririe: $66k83449 · Swan Valley: $82k83454 · Ucon: $67k8344283428834498344383285834028340183427831208340683120 · Freedom: $59k83285 · Wayan: –83401 · Idaho Falls: $79k83402 · Idaho Falls: $75k83404 · Idaho Falls: $82k83406 · Idaho Falls: $87k83427 · Iona: $84k83428 · Irwin: $69k83442 · Rigby: $88k83443 · Ririe: $66k83449 · Swan Valley: $82k83454 · Ucon: $67k8344283428834498344383285834028340183427831208340683120 · Freedom: $59k83285 · Wayan: –83401 · Idaho Falls: $79k83402 · Idaho Falls: $75k83404 · Idaho Falls: $82k83406 · Idaho Falls: $87k83427 · Iona: $84k83428 · Irwin: $69k83442 · Rigby: $88k83443 · Ririe: $66k83449 · Swan Valley: $82k83454 · Ucon: $67k834428342883449834438328583402834018342783120
The residential ZIP codes of Bonneville County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $74,517 and $82,103.

They carry 9 postal town names.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 12 residential ZIP codes in Bonneville County

11 ZIP codes lie mainly in Bonneville County; 1 more reaches into it from a neighboring county and follows the first table.

Residential ZIP codes mainly in Bonneville County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
83401 Idaho Falls 47,972 243 $79k $359k 100%
83402 Idaho Falls 29,994 175 $75k $335k 97%
83404 Idaho Falls 27,500 1,101 $82k $394k 100%
83406 Idaho Falls 19,696 615 $87k $392k 100%
83427 Iona 2,931 35 $84k $427k 100%
83443 Ririe 1,364 7 $66k $248k 95%
83428 Irwin 576 2 $69k $574k 100%
83454 Ucon 409 2,525 $67k $358k 100%
83449 Swan Valley 273 1 $82k $574k 100%
83120 Freedom 232 2 $59k $526k 71%
83285 Wayan 80 0 – – 68%

Partly in Bonneville County

Residential ZIP codes mainly in another county that reach at least 1% into Bonneville County, by their share here
In this county
83442 Rigby 25,609 198 $88k $449k 29%

Download the 15 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

5 ZIP codes of Bonneville County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Bonneville County and in the neighboring counties
ZIPIn BonnevilleElsewhere
8340297%Jefferson County 3%
8344229%Jefferson County 71%
8344395%Jefferson County 4%; Madison County 1%
8312071%Caribou County 19%; Lincoln County 10%
8328568%Caribou County 32%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

PO Box and single-organization ZIP codes

ZIP codes in Bonneville County without a residential area (GeoNames postal codes)
ZIPPostal name
83403Idaho Falls
83405Idaho Falls
83415Idaho Falls

Source: GeoNames postal codes (CC BY 4.0).

Which first three digits do Bonneville County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Bonneville County's ZIP codes use 3 prefixes: 831, 832 and 834.

Three-digit prefixes of Bonneville County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Bonneville County's
PrefixSectional centerHereAll codes
831 Salt Lake City, UT (SCF 840) 1 18
832 Pocatello, ID (SCF 832) 1 57
834 Pocatello, ID (SCF 832) 13 46

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.