99328   Zip Code Dayton Columbia WA United States

City Dayton
County Columbia
State Washington
Latitude 46.26937
Longitude -117.87956
Population 3,646
Density 5.44 people per square mile
Time Zone America/Los Angeles
  • All demographic data comes from the 2024 American Community Survey (5-year study).
  • Learn more about each field.
Download the data

Household Income

Median household: $72,756
Median individual: $40,069

Race

Mode: 82.5% White

Gender

 50.1% female 

Rent

  $982 / month  

Median house value: $270,659.0

Age

Median: 49.3 years old

Education

With at least college degree: 24.0%
With STEM degree: 41.5%

Marital Status

 52.9% married 

Never married: 26.4%

Labor Force Participation

 54.7% working 

Unemployed: 4.1%

Average Family Size

 2.60 people 

Commute Time

 21.4 minutes 

Health Care

 8.3% uninsured 

Poverty

 9.6%

All data comes from the SimpleMaps US Zips Comprehensive Database, February 2026.

Home (Maps) | Database License | Privacy | Database Releases | Database Order Lookup | Resources | Contact | FAQs
SimpleMaps.com is a product of Pareto Software, LLC. © 2010-2026.