Zip Code 99328 Map and Profile

Official Zip Code NameDayton
Zip Code StateWashington
Zip Code TypeNon-Unique
Primary County: Columbia
Secondary County: Walla Walla
Area Code509
Current Population:3733
Racial Majority: 89.56%
Public School Racial Majority:White 79.5%
Unemployment Rate:7.1%
Median Household Income$44464
Average Adjusted Gross Income$60060
School Test Performance:Average
Average Commute Time16.6 Minutes
Time Zone:Pacific Daylight Time
Elevation Range771 - 5571 ft.
Area664 Sqm.
Coordinates(Y,X)46.27094200, -117.87716600

Zip Code 99328 Description

Zip Code 99328 is located in the state of Washington in the Spokane metro area. Zip code 99328 is primarily located in Columbia County. Portions of 99328 are also located in Walla Walla County. The official US Postal Service name for 99328 is DAYTON, Washington. Portions of zip code 99328 are contained within or border the city limits of Dayton, WA, Starbuck, WA, . The area code for zip code 99328 is 509. 99328 can be classified socioeconically as a Lower Middle Class class zipcode in comparison to other zipcodes in Washington.

The current unemployment level in 99328 is 7.1% which is higher than the current county unemployment level of 6.0% and is higher than the current state unemployment at 6.4% and higher than the current national unemployment rate at 6.0%.

According the 2010 US Census, the population of 99328 decreased to 3733 from 3806 over the past 10 years. The majority ethnicity residing in 99328 is while the majority ethnicity attending 99328 public schools is White. 56.2% of students in 99328 public schools receive or are eligible to participate in free or reduced lunch programs.

 White 3361 89.56% 3334 +1%
 Black Or African American 3 0.08% 11 -73%
 Hispanic 224 5.97% 239 -6%
 American Indian Or Alaskan Native 47 1.25% 46 +2%
 Asian 20 0.53% 21 -5%
 Native Hawaiian & Other Pacific Islander 0 0% 14 -100%
 Other Race 3 0.24% 3 +200%
 Two Or More Races 65 2.37% 65 +37%

Zip Code 99328 Race/Ethnicity

 White 79.5%
 Black Or African American 1.8%
 Hispanic 12.1%
 Asian 1.6%
 Hawaii/Pacific Islander 0%
 American Indian Or Alaskan Native 3.4%
 Two or More Races 1.6%

Zip Code 99328 Public School Race/Ethnicity Profile

Total Population37333806
Male Population49.30%
Female Population50.70%
Total Households1596
Test Score PerformanceAverage
Percentage of Students Eligible For
Free or Reduced Lunch
Percentage of Public Schools with
Title 1 Status
Median Household Income$44464
Income Under $50K Per Year56.40%
Income $50K to $100K Per Year33.20%
Income Above $100K Per Year10.40%
99328 US Congressional District
DistrictRepresentativeParty Affiliation
Washington District 5Cathy McMorris RodgersRepublican
Related Maps: Map of All Washington Congressional Districts

Average Real Estate Asking Price$242474
Average Real Estate Sale Price$132667
Current Unemployment Level 7.1%
Previous Month Unemployment Level6.4%
Unemployment Level 1 Year Ago5.3%
2012 Hardiness ZoneZone 7a: 0F to 5F
1990 Hardiness ZoneZone 6b: -5F to 0F
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
Ecoregion 10i - Deep Loess Foothills
Average First Frost DatesOctober 1 - 10
Average Last Frost DatesApril 21 - 31

Zip Code 99328 Annual Climate Data

Avg Min Temp (°F)26293438445055554738332740
Avg Max Temp (°F)40465361697786877764484062
Avg Precip (In.)2.241.821.991.651.591.
Core Based Statistical
Area (CBSA)
CBSA Population0
Time ZonePacific Daylight Time
IANA Time ZoneAmerica/Los_Angeles
Follows DSTYes
GMT Difference-8 Hours