Home > WA > Franklin County > Pasco > Zip 99301

Zip Code 99301 — Pasco, WA

99301 is a ZIP Code associated with Pasco, WA, located within Franklin. 99301 ranks #1 out of 5 ZIP codes in Franklin County by population (and #1 out of 605 in WA). The area supports an estimated population of 87,044 residents across Data Pending housing units, with a population density of 69.1 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (46.391840, -118.935090)

Data MetricLocal Statistic
Postal / Zip Code99301
Primary CityPasco
State / ProvinceWA
CountyFranklin
Total Population87,044
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density69.1 people/sq mi
TimezoneAmerica/Los_Angeles

How 99301 Compares

MetricZIP 99301Franklin CountyWA State Average
Population87,04498,034 (Total)7,816,021 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density69.1 /sq mi----
County Pop Rank#1 of 5----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 99330Eltopia8.4 mi1,210N/A
Zip 99323Burbank14.7 mi4,082N/A
Zip 99336Kennewick17.0 mi50,735N/A
Zip 99343Mesa17.8 mi3,215N/A
Zip 99354Richland17.9 mi25,559N/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 →