Home > WA > Benton County > Sunnyside > Zip 98944

Zip Code 98944 — Sunnyside, WA

ZIP Code 98944 is associated with Sunnyside, WA, in Benton County. The listed population estimate is 22,817; estimated density is 16.2 people per square mile. Among records with population estimates, it ranks #5 of 11 in Benton County and #155 of 597 in WA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (46.499980, -119.665330)

Data MetricLocal Statistic
Postal / Zip Code98944
Primary CitySunnyside
State / ProvinceWA
CountyBenton
Total Population22,817
Population Density16.2 people/sq mi
TimezoneAmerica/Los_Angeles

How 98944 Compares

MetricZIP 98944Benton County recordsWA records
Population estimate22,817234,788 (sum)7,816,021 (sum)
Population Density16.2 /sq mi----
County population rank#5 of 11----
State population rank#155 of 597----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in WA

ZIP CodeCityDistancePopulation estimate
ZIP 99320Benton City13.7 mi9,879
ZIP 99349Mattawa16.0 mi8,143
ZIP 99353West Richland18.6 mi19,251
ZIP 98930Grandview19.4 mi15,730
ZIP 99354Richland20.9 mi25,559

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →