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Zip Code 99324 — College Place, WA

99324 is a ZIP Code associated with College Place, WA, located within Walla Walla. The postal region supports an estimated population of 10,137 residents across Data Pending housing units, with a population density of 1,412.5 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (46.043760, -118.385420)

Data MetricLocal Statistic
Postal / Zip Code99324
Primary CityCollege Place
State / ProvinceWA
CountyWalla Walla
Total Population10,137
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1,412.5 people/sq mi
TimezoneAmerica/Los_Angeles

How 99324 Compares

MetricZIP 99324Walla Walla CountyWA State Average
Population10,13762,3197,816,021
Median IncomeData PendingN/AN/A
Population Density1,412.5 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 99362Walla Walla4.6 mi42,853N/A
Zip 99329Dixie13.2 mi127N/A
Zip 99360Touchet13.9 mi1,350N/A
Zip 99361Waitsburg17.7 mi1,992N/A
Zip 99348Prescott23.9 mi1,633N/A

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 →