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

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/ID/POST-FALLS

Post Falls ZIP codes, Idaho

Post Falls, ID has 2 ZIP codes (83854 and 83877) and area codes 208 and 986. The largest is 83854.

USPS city name
2 ZIP codes
Population
43,391
Area codes
208, 986
State
Idaho

Post Falls in numbers

About 43,391 people live in Post Falls, in 16,009 households, the 9th-largest of Idaho's 232 census places. The median household income is $82,183 a year, 6% above the Idaho median of $77,800 (US: $80,734). The median owner-occupied home is valued at $477,400 (14% above the Idaho median), and median gross rent is $1,469 a month. The median age is 35.0; 25.3% of adults 25 and over hold a bachelor's degree or higher (31.8% across Idaho); the average commute takes 24 minutes.

Population43,391Post Falls43,391
Households16,009Post Falls16,009
Median age35.0Post Falls35.0Idaho37.3US 38.9
Median household income$82,183Post Falls$82,183Idaho$77,800US $80,734
Median home value$477,400Post Falls$477,400Idaho$418,600US $332,700
Median gross rent$1,469Post Falls$1,469Idaho$1,238US $1,413
Bachelor's degree or higher25.3%Post Falls25.3%Idaho31.8%US 35.7%
Mean commute24.1 minPost Falls24.1 minIdaho21.6 minUS 26.4 min
Population density2,270 / sq miPost Falls2,270 / sq mi

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

ZIP codes addressed as Post Falls

ZIP codes with the USPS city name Post Falls
ZIP City Type Population Median income Median home
83854 Post Falls , ID Standard 54,851 $82,742 $489,800
83877 Post Falls , ID No street area — — —

Map of Post Falls ZIP codes

8385483877

The ZIP codes of Post Falls, ID, 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.

Towns near Post Falls

The nearest larger towns are Coeur d'Alene (56,447 people, 7.1 mi), Spokane Valley, WA (106,365 people, 14 mi) and Spokane, WA (230,293 people, 23 mi).

Towns near Post Falls
TownPopulationDistance
Rathdrum 10,874 5.3 mi
Otis Orchards-East Farms, WA 5,454 6.7 mi
Coeur d'Alene 56,447 7.1 mi
Hayden 16,338 7.3 mi
Liberty Lake, WA 12,737 8.4 mi
Spokane Valley, WA 106,365 14.1 mi
Mead, WA 6,893 19.2 mi
Fairwood, WA 10,674 22.2 mi
Country Homes, WA 6,198 22.2 mi
Town and Country, WA 4,890 22.3 mi
Spokane, WA 230,293 23.1 mi
Deer Park, WA 4,791 28.3 mi

More nearby: every ZIP code in Kootenai County · Idaho ZIP codes

Cite this page

zipcodes.pro. “Post Falls, ID ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/id/post-falls

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