ZIP 54421 · Colby
Who lives in ZIP code 54421 (Colby, WI): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
Colby, WI · Marathon County
uszips 2026
People3,468
Median age36.8
Household income$60,820
Home value$196,131
Median rent$844/mo
Poverty13.7%
College degree+13.9%
Commute19 min
Place
- Metro area
- Wausau, WI
- Wider region
- Wausau-Stevens Point-Wisconsin Rapids, WI
- Time zone
- Central
- Density
- 19 / sq mi
- Housing units
- 1,170
Spans 2 counties
Share of the ZIP's people in each county.
Age mix
17.8% are 65 or older; 69.6% are adults.
Household income
27.7% of households earn $100K+. Median per person: $33,308.
Education (adults 25+)
35.0% of degrees are in STEM fields.
Race
15.8% Hispanic or Latino (of any race).
Households & family
- Married
- 47.1%
- Never married
- 33.1%
- Divorced
- 13.2%
- Widowed
- 6.6%
- Family size
- 3.28
- Dual-income families
- 46.4%
Housing
- Own their home
- 68.3%
- Rent burden
- 26.7%
- Men / women
- 51% / 49%
Work
- In labor force
- 59.7%
- Unemployment
- 1.4%
- Self-employed
- 11.1%
- Farmers
- 8.3%
Community
- Charitable givers
- 13.9%
- Veterans
- 6.0%
- With a disability
- 11.7%
- No health insurance
- 21.0%
- Limited English
- 2.2%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.