ZIP Code 98850 - Rock Island Washington

98850 Overview

ZIP Code 98850 is located in Rock Island Washington. 98850 is entirely within Douglas County. Regionally, 98850 is located in Metro Seattle-Tacoma.

Stats Demographics Geography Politics Schools Climate Related Pages

ZIP Code 98850 Quick Stats

ZIP Code NameRock Island
Primary CountyDouglas County
ZIP Code TypeStandard
Population (2022)1,749
Area Code(s)509
Current Time
PST

ZIP Code 98850 Map

98850 Demographics

98850 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 98850 is White. The majority race/ethnicity attending public schools in 98850 is Hispanic. The current unemployment level in 98850 is 4.2%.

Population1,749
Population Growth Rate4.00%
Population Density16 People per Square Mile
Total Households535
Percentage High Income Households2.8%
Median Household Income (2021)$58,289
Average Adjusted Gross Income (2021)$405,750
Current Unemployment Rate (November 2024)4.2%
Majority Race/EthnictyWhite - 50.60%
Public School Majority Race/EthnictyHispanic - 77.66%

98850 Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White1,10250.6%
Black251.15%
Hispanic1,04748.07%
Asian00%
Native American40.18%
Hawaiian/Pac. Islander00%

98850 Public School Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White4222.34%
Black00%
Hispanic14677.66%
Asian00%
Native American00%
Hawaiian/Pac. Islander00%

98850 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College284.74%
Bachelor Degree8113.71%
High School Diploma24341.12%
No High School Diploma71.18%
GED or Alternate122.03%
1 or More Years of College9415.91%
Associates Degree7713.03%
Masters Degree162.71%
Professional Degree335.58%
Doctorate Degree00%

98850 Geography

Coordinates47.38373947,-120.02558899
Adjacent ZIP Codes
RegionMetro Seattle-Tacoma
Metropolitan/Micropolitan Stat AreaWenatchee, WA
Time ZonePacific Standard Time
IANA TimezoneAmerica/Los_Angeles
Area112 Square Miles

98850 Weather and Climate Data

Plant Hardiness ZoneZone 7a: 0F to 5F
Average First Frost DateOctober 11 - 20
Average Last Frost DateApril 21 - 31
Koppen-Geiger Climate ZoneBSk - Cold Semi-Arid Climate
Ecoregion10b - Loess Islands

98850 Annual Climate Data

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)20243037445156564837292138
Avg Max Temp (°F)34405161707785857661433360
Avg Precip (In.)2.421.691.3.74.83.88.42.48.591.082.192.7515.38

Most Popular ZIP Code Searches in Washington