ZIP 99111 · Colfax
Who lives in ZIP code 99111 (Colfax, WA): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
Colfax, WA · Whitman County
uszips 2026
People4,038
Median age41.8
Household income$73,393
Home value$296,548
Median rent$953/mo
Poverty10.1%
College degree+30.5%
Commute18 min
Place
- Metro area
- Pullman, WA (micro)
- Wider region
- Pullman-Moscow, WA-ID
- Time zone
- Pacific
- Density
- 5 / sq mi
- Housing units
- 1,714
County
Share of the ZIP's people in each county.
Age mix
19.7% are 65 or older; 76.5% are adults.
Household income
35.2% of households earn $100K+. Median per person: $40,457.
Education (adults 25+)
56.1% of degrees are in STEM fields.
Race
10.7% Hispanic or Latino (of any race).
Households & family
- Married
- 58.9%
- Never married
- 23.1%
- Divorced
- 10.9%
- Widowed
- 7.1%
- Family size
- 2.93
- Dual-income families
- 51.2%
Housing
- Own their home
- 72.9%
- Rent burden
- 27.0%
- Men / women
- 48% / 53%
Work
- In labor force
- 56.1%
- Unemployment
- 2.7%
- Self-employed
- 13.4%
- Farmers
- 5.4%
Community
- Charitable givers
- 14.0%
- Veterans
- 7.5%
- With a disability
- 18.8%
- No health insurance
- 4.0%
- Limited English
- 0.9%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.