Dayton, WA 99328 ZIP Code Profile

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Dayton, WA

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ZIP Code 99328: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Dayton, WA 99328

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 245
  • Single Family Addresses: 1,594
  • Multi-Family Addresses: 31
  • County: Columbia County
  • Centroid: Latitude 46.325, Longitude -117.974
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


99328 ZIP Code Map

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Dayton, WA 99328 Data & Demographics (As of July 1, 2017)


Total Population 3,783
Daytime Population: Workers 1,420
Daytime Population: Residents 2,331
Total Daytime Population (TDP) 3,751
Ratio TDP/Total Population1 0.99
Population in Households 3,708
Population in Familes 2,944
Population in Group Qrtrs 75
Population Density2 5
Diversity Index3 29


Median Household Income $47,134
Average Household Income $67,078
Per Capita Income $29,316


Total Housing Units 1,994 (100%)
Owner Occupied HU 1,161 (58.2%)
Renter Occupied HU 454 (22.8%)
Vacant Housing Units 379 (19.0%)
Median Home Value $169,836
Average Home Value $238,135


Total Households 1,615
Average Household Size 2.3
Family Households 1,051
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.12% -0.19%
Households 0.08% -0.22%
Families 0.01% -0.25%
Median Household Income   2.14%
Per Capita Income   2.88%

Dayton, WA 99328 - Peer Comparisons by Rank and Percentile

The table below compares 99328 to the other 585 ZIP Codes in Washington by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 313 47th
Population Density # 500 15th
Diversity Index # 368 37th
Median Household Income # 420 28th
Per Capita Income # 282 52nd

Additional comparisons and rankings can be made with a VERY EASY TO USE Washington Census Data Comparison Tool.

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