ZIP Code 98611 - Castle Rock Washington

ZIP Code 98611 is located in Castle Rock Washington. 98611 is entirely within Cowlitz County. Regionally, it is located in Metro Portland.

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ZIP Code 98611 Quick Stats

ZIP Code NameCastle Rock
Primary CountyCowlitz County
ZIP Code TypeStandard
Population (2022)9,341
Area Code(s)360 / 564
Current Time
PDT

ZIP Code 98611 Map

98611 Demographics

98611 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 98611 is White. The majority race/ethnicity attending public schools in 98611 is White. The current unemployment level in 98611 is 5.4%.

Population9,341
Population Growth Rate-4.69%
Population Density77 People per Square Mile
Total Households3,652
Percentage High Income Households1.5%
Median Household Income (2021)$71,580
Average Adjusted Gross Income (2020)$71,340
Current Unemployment Rate (April 2024)5.4%
Majority Race/EthnictyWhite - 93.87%
Public School Majority Race/EthnictyWhite - 84.91%

98611 Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White8,42092.95%
Black460.51%
Hispanic2362.61%
Asian290.32%
Native American2392.64%
Hawaiian/Pac. Islander890.98%

98611 Public School Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White1,17689.98%
Black10.08%
Hispanic1088.26%
Asian100.77%
Native American80.61%
Hawaiian/Pac. Islander40.31%

98611 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College89315.27%
Bachelor Degree5679.7%
High School Diploma1,79330.66%
No High School Diploma1482.53%
GED or Alternate2283.9%
1 or More Years of College1,16819.97%
Associates Degree81113.87%
Masters Degree2313.95%
Professional Degree90.15%
Doctorate Degree00%

98611 Geography

Coordinates46.30456924,-122.88589478
Adjacent ZIP Codes
Cities/Towns in 98611
RegionMetro Portland
Metropolitan/Micropolitan Stat AreaLongview, WA
Time ZonePacific Daylight Time
IANA TimezoneAmerica/Los_Angeles
Area121 Square Miles

98611 Politics

US Congressional Districts in 98611
Washington State Senate Districts in 98611
Washington State House of Representatives Districts in 98611

98611 Weather and Climate Data

Plant Hardiness ZoneZone 8b: 15F to 20F
Average First Frost DateOctober 21 - 31
Average Last Frost DateApril 21 - 31
Koppen-Geiger Climate ZoneCsb - Warm-Summer Mediterranean Climate
Ecoregion2h - Cowlitz/Chehalis Foothills

98611 Annual Climate Data

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)33343639444851514742373441
Avg Max Temp (°F)45505560667177787362514561
Avg Precip (In.)6.245.564.963.612.582.15.961.172.183.647.17.3147.46

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