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Lewis County, ID ZIP codes

Lewis County, ID has 2 ZIP codes, in 2 towns: 83523 and 83543. 1 more crosses into it from a neighbouring county: 83555.

The county seat is Nezperce.

ZIP codes
2
Partly in it
1 more
Towns
2
County seat
Nezperce
County FIPS
16061
State
Idaho
Population
3,682
Median household income
$51,615
Land area
479 sq mi

Lewis County ZIP codes by town

Nezperce (county seat)
83543

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 Lewis County

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

Map of Lewis County ZIP codes

8352383543

The ZIP codes of Lewis 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.

Lewis County in numbers

About 3,682 people live in Lewis County, in 1,574 households, the 41st most populous of Idaho's 44 counties. The median household income is $51,615 a year, 34% below the Idaho median of $77,800 (US: $80,734). The median owner-occupied home is valued at $225,300 (46% below the Idaho median), and median gross rent is $737 a month. The median age is 49.0; 21.3% of adults 25 and over hold a bachelor's degree or higher (31.8% across Idaho); the average commute takes 21 minutes.

Population3,682Lewis3,682
Households1,574Lewis1,574
Median age49.0Lewis49.0Idaho37.3US 38.9
Median household income$51,615Lewis$51,615Idaho$77,800US $80,734
Median home value$225,300Lewis$225,300Idaho$418,600US $332,700
Median gross rent$737Lewis$737Idaho$1,238US $1,413
Bachelor's degree or higher21.3%Lewis21.3%Idaho31.8%US 35.7%
Mean commute21.4 minLewis21.4 minIdaho21.6 minUS 26.4 min
Population density8 / sq miLewis8 / 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 Lewis County

Largest towns in Lewis County
TownZIP codesPopulation
Nezperce 1 522
Craigmont 1 509

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 Lewis County.

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

Every ZIP code in Lewis County, with figures

ZIP codes in Lewis County
ZIP City Type Population Median income Median home
83523 Craigmont , ID Standard 797 $63,036 $225,000
83543 Nezperce , ID Standard 739 $62,679 $210,900

Cite this page

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

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