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zipcodes.pro — CITY/WA/PROSSER

Prosser ZIP code, Washington

The ZIP code for Prosser, WA is 99350, and its area code is 509.

USPS city name
1 ZIP code
Population
6,305
Area code
509

Prosser in numbers

About 6,305 people live in Prosser, in 2,233 households. The median household income is $76,985 a year, 22% below the Washington median of $98,141 (US: $80,734). The median owner-occupied home is valued at $314,000 (44% below the Washington median), and median gross rent is $944 a month. The median age is 33.1; 23.3% of adults 25 and over hold a bachelor's degree or higher (39.6% across Washington); the average commute takes 21 minutes.

Population6,305Prosser6,305
Households2,233Prosser2,233
Median age33.1Prosser33.1Washington38.3US 38.9
Median household income$76,985Prosser$76,985Washington$98,141US $80,734
Median home value$314,000Prosser$314,000Washington$564,600US $332,700
Median gross rent$944Prosser$944Washington$1,760US $1,413
Bachelor's degree or higher23.3%Prosser23.3%Washington39.6%US 35.7%
Mean commute20.6 minProsser20.6 minWashington26.6 minUS 26.4 min
Population density1,220 / sq miProsser1,220 / sq mi

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

ZIP codes addressed as Prosser

ZIP codes with the USPS city name Prosser
ZIP City Type Population Median income Median home
99350 Prosser , WA Standard 14,837 $81,014 $338,500

Map of Prosser ZIP codes

99350

The ZIP codes of Prosser, 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 Prosser

The nearest larger towns are Grandview (11,187 people, 7.2 mi), Sunnyside (16,277 people, 14 mi) and West Richland (17,586 people, 20 mi).

Towns near Prosser
TownPopulationDistance
Grandview 11,187 7.2 mi
Mabton 2,536 10.8 mi
Sunnyside 16,277 13.5 mi
Benton City 3,695 14.3 mi
West Richland 17,586 19.5 mi
Granger 3,705 22.4 mi
Richland 62,753 23.3 mi
Boardman, OR 4,064 26.0 mi
Zillah 3,140 27.8 mi
Kennewick 85,295 28.3 mi
Toppenish 8,723 28.6 mi
Umatilla, OR 7,508 29.0 mi

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

Cite this page

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

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