Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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zipcodes.pro — STATE/ID/COUNTY/BOUNDARY

Boundary County, ID ZIP codes

Boundary County, ID has 5 ZIP codes, in 5 towns: 83805, 83845, 83847, 83826 and 83853. 1 more crosses into it from a neighbouring county: 83864.

The county seat is Bonners Ferry.

ZIP codes
5
Partly in it
1 more
Towns
5
County seat
Bonners Ferry
County FIPS
16021
State
Idaho
Population
13,172
Median household income
$67,237
Land area
1,269 sq mi

Boundary County ZIP codes by town

Bonners Ferry (county seat)
83805

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

ZIP codes partly in Boundary County

This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Boundary County.

Map of Boundary County ZIP codes

The ZIP codes of Boundary County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Boundary County in numbers

About 13,172 people live in Boundary County, in 5,046 households, the 25th most populous of Idaho's 44 counties. The median household income is $67,237 a year, 14% below the Idaho median of $77,800 (US: $80,734). The median owner-occupied home is valued at $410,500 (about the same as the Idaho median), and median gross rent is $877 a month. The median age is 43.7; 24.0% of adults 25 and over hold a bachelor's degree or higher (31.8% across Idaho); the average commute takes 18 minutes.

Population13,172Boundary13,172
Households5,046Boundary5,046
Median age43.7Boundary43.7Idaho37.3US 38.9
Median household income$67,237Boundary$67,237Idaho$77,800US $80,734
Median home value$410,500Boundary$410,500Idaho$418,600US $332,700
Median gross rent$877Boundary$877Idaho$1,238US $1,413
Bachelor's degree or higher24.0%Boundary24.0%Idaho31.8%US 35.7%
Mean commute18.2 minBoundary18.2 minIdaho21.6 minUS 26.4 min
Population density10 / sq miBoundary10 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Boundary County

Largest towns in Boundary County
TownZIP codesPopulation
Bonners Ferry 1 2,669
Naples 1 1,714
Moyie Springs 1 1,378
Eastport 1 63

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Boundary County.

Not sure you are in Boundary County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Boundary County, with figures

ZIP codes in Boundary County
ZIP City Type Population Median income Median home
83805 Bonners Ferry , ID Standard 9,174 $70,083 $418,900
83826 Eastport , ID Standard 63 — —
83845 Moyie Springs , ID Standard 2,202 $72,695 $373,700
83847 Naples , ID Standard 1,714 $48,859 $545,000
83853 Porthill , ID No street area — — —

Cite this page

zipcodes.pro. “Boundary County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/id/county/boundary

Underlying data is public domain or openly licensed — sources, vintages and licences.