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/RICHLAND

Richland ZIP codes, Washington

Richland, WA has 2 ZIP codes (99352 and 99354) and area code 509. The largest is 99352.

USPS city name
2 ZIP codes
Overlapping the city
2 more
Population
62,753
Area code
509

Mail addressed to Richland uses the ZIP codes above. 2 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.

Richland in numbers

About 62,753 people live in Richland, in 25,216 households, the 22nd-largest of Washington's 628 census places. The median household income is $95,813 a year, about the same as the Washington median of $98,141 (US: $80,734). The median owner-occupied home is valued at $436,700 (23% below the Washington median), and median gross rent is $1,468 a month. The median age is 36.4; 46.6% of adults 25 and over hold a bachelor's degree or higher (39.6% across Washington); the average commute takes 20 minutes.

Population62,753Richland62,753
Households25,216Richland25,216
Median age36.4Richland36.4Washington38.3US 38.9
Median household income$95,813Richland$95,813Washington$98,141US $80,734
Median home value$436,700Richland$436,700Washington$564,600US $332,700
Median gross rent$1,468Richland$1,468Washington$1,760US $1,413
Bachelor's degree or higher46.6%Richland46.6%Washington39.6%US 35.7%
Mean commute20.4 minRichland20.4 minWashington26.6 minUS 26.4 min
Population density1,478 / sq miRichland1,478 / sq mi

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

ZIP codes addressed as Richland

ZIP codes with the USPS city name Richland
ZIP City Type Population Median income Median home
99352 Richland , WA Standard 37,430 $100,108 $474,100
99354 Richland , WA Standard 25,559 $91,933 $392,600

Other ZIP codes overlapping Richland

These ZIP codes cover part of Richland but are addressed as somewhere else.

ZIP codes overlapping Richland
ZIP City Type Population Median income Median home
99338 Kennewick , WA Standard 20,633 $111,042 $551,500
99353 West Richland , WA Standard 19,251 $121,845 $450,500

Map of Richland ZIP codes

The ZIP codes of Richland, 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 Richland

The nearest larger towns are Kennewick (85,295 people, 8.4 mi), Pasco (79,575 people, 8.4 mi) and Yakima (96,961 people, 63 mi).

Towns near Richland
TownPopulationDistance
West Richland 17,586 4.8 mi
Kennewick 85,295 8.4 mi
Pasco 79,575 8.4 mi
Benton City 3,695 9.0 mi
Finley 5,634 14.4 mi
Burbank 3,589 16.1 mi
Prosser 6,305 23.3 mi
Umatilla, OR 7,508 25.6 mi
Grandview 11,187 29.5 mi

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

Cite this page

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

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