Zip Code 99363 — Wallula, WA

ZIP Code 99363 is associated with Wallula, WA, in Walla Walla County. The listed population estimate is 145; estimated density is 1.8 people per square mile. Among records with population estimates, it ranks #7 of 8 in Walla Walla County and #559 of 597 in WA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (46.048210, -118.895750)

Data MetricLocal Statistic
Postal / Zip Code99363
Primary CityWallula
State / ProvinceWA
CountyWalla Walla
Total Population145
Population Density1.8 people/sq mi
TimezoneAmerica/Los_Angeles

How 99363 Compares

MetricZIP 99363Walla Walla County recordsWA records
Population estimate14562,319 (sum)7,816,021 (sum)
Population Density1.8 /sq mi----
County population rank#7 of 8----
State population rank#559 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 99337Kennewick9.4 mi33,287
ZIP 99323Burbank9.8 mi4,082
ZIP 99360Touchet11.3 mi1,350
ZIP 99336Kennewick17.7 mi50,735
ZIP 99346Plymouth19.7 mi198

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 →