ZIP Code 99350 - Prosser Washington

ZIP Code 99350 is located in Prosser Washington. 99350 is primarily within Benton County, with some portions in Klickitat County. Regionally, it is located in the Yakima-Richland-Kennewick Area.

Stats Demographics Geography Politics Schools Climate Related Pages

ZIP Code 99350 Quick Stats

ZIP Code NameProsser
Primary CountyBenton County
ZIP Code TypeStandard
Population (2022)14,287
Area Code(s)509
Current Time

ZIP Code 99350 Map

99350 Demographics

99350 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Washington based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 99350 is White. The majority race/ethnicity attending public schools in 99350 is Hispanic. The current unemployment level in 99350 is 4.6%.

Population Growth Rate2.17%
Population Density20 People per Square Mile
Total Households4,360
Percentage High Income Households1.4%
Median Household Income (2021)$63,392
Average Adjusted Gross Income (2020)$70,300
Current Unemployment Rate (April 2024)4.6%
Majority Race/EthnictyWhite - 57.48%
Public School Majority Race/EthnictyHispanic - 65.75%

99350 Race/Ethnicty Breakdown

Native American2331.38%
Hawaiian/Pac. Islander310.18%

99350 Public School Race/Ethnicty Breakdown

Native American180.73%
Hawaiian/Pac. Islander20.08%

99350 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College6009.61%
Bachelor Degree91614.68%
High School Diploma1,65426.5%
No High School Diploma1712.74%
GED or Alternate2734.37%
1 or More Years of College1,33521.39%
Associates Degree70911.36%
Masters Degree4637.42%
Professional Degree691.11%
Doctorate Degree510.82%

99350 Geography

Adjacent ZIP Codes
Cities/Towns in 99350
RegionYakima-Richland-Kennewick Area
Metropolitan/Micropolitan Stat AreaKennewick-Richland, WA
Time ZonePacific Daylight Time
IANA TimezoneAmerica/Los_Angeles
Area718 Square Miles

99350 Politics

US Congressional Districts in 99350
Washington State Senate Districts in 99350
Washington State House of Representatives Districts in 99350

99350 Weather and Climate Data

Plant Hardiness ZoneZone 7a: 0F to 5F
Average First Frost DateOctober 1 - 10
Average Last Frost DateMay 1 - 10
Koppen-Geiger Climate ZoneBSk - Cold Semi-Arid Climate
Ecoregion10e - Pleistocene Lake Basins

99350 Annual Climate Data

Avg Min Temp (°F)25293438455155544738322639
Avg Max Temp (°F)40475766748188887967504065
Avg Precip (In.).

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