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ZipCityLookup
City Profile

Dayton, Washington

Population: 2,448 · 1 ZIP code

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
2,448
People
Median age
45.3
Housing
Total households
1,235
Income
Median household income
$70,625
Housing
Total housing units
1,416
Employment
Employment rate
51.5%
Education
Bachelor’s degree or higher
24.3%
Healthcare
Insured population
90.2%
City details
Local time 00:45:06(PT)
LocationDayton, WA
Population (ZIP areas)3,620(sum of local ZIP code populations)
Total ZIP codes1total
ZIP codes (by type)
1 Standard
CountyColumbia
Area code
509
TimezonePacific Time (PT)
Coordinates46.2756813, -117.8708514
Land area657.3 sq miles(1,702,371,343 m²)

Map of Dayton, Washington with ZIP codes

Map of Dayton, Washington and ZIP codes

ZIP Codes in Dayton

Explore the ZIP codes that make up Dayton. Analyze key demographics and population stats for the region using the comprehensive table below.

ZIPType
Median incomeHousehold
Population (ZIP)
99328Standard$72,7563,620

— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP type legend

  • Standard: residential and business delivery areas
  • PO BOX: primarily post office boxes; population may be unavailable
  • Unique: high-volume organizations (universities, agencies, etc.)

Nearby cities

Other cities near Dayton, WA.

Waitsburg, WADixie, WAPomeroy, WAStarbuck, WAWalla Walla, WAAsotin, WAHay, WAPrescott, WA

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS