ZIP 99328 · Dayton
Who lives in ZIP code 99328 (Dayton, WA): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
Dayton, WA · Columbia County
uszips 2026
People3,646
Median age49.3
Household income$72,756
Home value$270,659
Median rent$982/mo
Poverty9.6%
College degree+24.0%
Commute21 min
Place
- Metro area
- Outside any metro
- Time zone
- Pacific
- Density
- 2 / sq mi
- Housing units
- 1,667
County
Share of the ZIP's people in each county.
Age mix
29.6% are 65 or older; 82.4% are adults.
Household income
36.4% of households earn $100K+. Median per person: $40,069.
Education (adults 25+)
41.5% of degrees are in STEM fields.
Race
9.1% Hispanic or Latino (of any race).
Households & family
- Married
- 52.9%
- Never married
- 26.4%
- Divorced
- 11.9%
- Widowed
- 8.8%
- Family size
- 2.60
- Dual-income families
- 44.5%
Housing
- Own their home
- 77.4%
- Rent burden
- 24.6%
- Men / women
- 50% / 50%
Work
- In labor force
- 54.7%
- Unemployment
- 4.1%
- Self-employed
- 14.3%
- Farmers
- 7.1%
Community
- Charitable givers
- 14.3%
- Veterans
- 11.7%
- With a disability
- 17.5%
- No health insurance
- 8.3%
- Limited English
- 1.9%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.