ZIP Code 99115 - Coulee City Washington

99115 Overview

ZIP Code 99115 is located in Coulee City Washington. Portions of 99115 are also in Banks Lake South. 99115 is primarily within Douglas County, with some portions in Grant County. Regionally, 99115 is located in Metro Seattle-Tacoma.

Stats Demographics Geography Politics Schools Climate Related Pages

ZIP Code 99115 Quick Stats

ZIP Code NameCoulee City
Primary CountyDouglas County
ZIP Code TypeStandard
Population (2022)1,224
Area Code(s)509
Current Time
PST

ZIP Code 99115 Map

99115 Demographics

99115 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 99115 is White. The majority race/ethnicity attending public schools in 99115 is White. The current unemployment level in 99115 is 4.2%.

Population1,224
Population Growth Rate-3.00%
Population Density4 People per Square Mile
Total Households480
Percentage High Income Households2.9%
Median Household Income (2021)$48,333
Average Adjusted Gross Income (2021)$465,000
Current Unemployment Rate (November 2024)4.2%
Majority Race/EthnictyWhite - 94.02%
Public School Majority Race/EthnictyWhite - 92.22%

99115 Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White1,08494.02%
Black322.78%
Hispanic00%
Asian70.61%
Native American302.6%
Hawaiian/Pac. Islander00%

99115 Public School Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White16695.4%
Black21.15%
Hispanic52.87%
Asian00%
Native American10.57%
Hawaiian/Pac. Islander00%

99115 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College9913.71%
Bachelor Degree8011.08%
High School Diploma22230.75%
No High School Diploma30.42%
GED or Alternate496.79%
1 or More Years of College13518.7%
Associates Degree7410.25%
Masters Degree567.76%
Professional Degree40.55%
Doctorate Degree00%

99115 Geography

Coordinates47.67192459,-119.34678650
Adjacent ZIP Codes
Cities/Towns in 99115
RegionsMetro Seattle-Tacoma
Spokane Area
Metropolitan/Micropolitan Stat AreasWenatchee, WA
Moses Lake, WA
Time ZonePacific Standard Time
IANA TimezoneAmerica/Los_Angeles
Area341 Square Miles

99115 Weather and Climate Data

Plant Hardiness ZoneZone 6b: -5F to 0F
Average First Frost DateOctober 1 - 10
Average Last Frost DateMay 1 - 10
Koppen-Geiger Climate ZoneBSk - Cold Semi-Arid Climate
Ecoregion10a - Channeled Scablands

99115 Annual Climate Data

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)20253136435056554737292237
Avg Max Temp (°F)34415263728087877863443461
Avg Precip (In.).86.86.81.62.92.77.53.4.48.611.231.369.46

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