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/WA/PALOUSE

Palouse ZIP code, Washington

The ZIP code for Palouse, WA is 99161, and its area code is 509.

USPS city name
1 ZIP code
Population
1,147
Area code
509

Palouse in numbers

About 1,147 people live in Palouse, in 466 households. The median household income is $88,750 a year, 10% below the Washington median of $98,141 (US: $80,734). The median owner-occupied home is valued at $286,200 (49% below the Washington median), and median gross rent is $933 a month. The median age is 40.7; 45.1% of adults 25 and over hold a bachelor's degree or higher (39.6% across Washington); the average commute takes 28 minutes.

Population1,147Palouse1,147
Households466Palouse466
Median age40.7Palouse40.7Washington38.3US 38.9
Median household income$88,750Palouse$88,750Washington$98,141US $80,734
Median home value$286,200Palouse$286,200Washington$564,600US $332,700
Median gross rent$933Palouse$933Washington$1,760US $1,413
Bachelor's degree or higher45.1%Palouse45.1%Washington39.6%US 35.7%
Mean commute28.4 minPalouse28.4 minWashington26.6 minUS 26.4 min
Population density1,096 / sq miPalouse1,096 / sq mi

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

ZIP codes addressed as Palouse

ZIP codes with the USPS city name Palouse
ZIP City Type Population Median income Median home
99161 Palouse , WA Standard 1,435 $87,464 $302,600

Map of Palouse ZIP codes

99161

The ZIP codes of Palouse, WA, 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 Palouse

The nearest larger towns are Colfax (2,708 people, 11 mi), Moscow, ID (26,286 people, 13 mi) and Pullman (32,229 people, 13 mi).

Towns near Palouse
TownPopulationDistance
Colfax 2,708 10.7 mi
Moscow, ID 26,286 12.9 mi
Pullman 32,229 13.0 mi

More nearby: every ZIP code in Whitman County · Washington ZIP codes

Cite this page

zipcodes.pro. “Palouse, WA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/wa/palouse

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