ZIP 94598 · Walnut Creek
Who lives in ZIP code 94598 (Walnut Creek, CA): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
Walnut Creek, CA · Contra Costa County
uszips 2026
People27,206
Median age45.9
Household income$186,225
Home value$1,345,062
Median rent$2,940/mo
Poverty5.4%
College degree+73.7%
Commute29 min
Place
- Metro area
- San Francisco-Oakland-Fremont, CA
- Wider region
- San Jose-San Francisco-Oakland, CA
- Metro division
- Oakland-Fremont-Berkeley, CA
- Time zone
- Pacific
- Density
- 510 / sq mi
- Housing units
- 10,828
County
Share of the ZIP's people in each county.
Age mix
25.2% are 65 or older; 79.9% are adults.
Household income
74.2% of households earn $100K+. Median per person: $82,526.
Education (adults 25+)
51.7% of degrees are in STEM fields.
Race
9.8% Hispanic or Latino (of any race).
Households & family
- Married
- 64.5%
- Never married
- 21.9%
- Divorced
- 6.4%
- Widowed
- 7.1%
- Family size
- 2.91
- Dual-income families
- 51.9%
Housing
- Own their home
- 76.3%
- Rent burden
- 22.4%
- Men / women
- 49% / 51%
Work
- In labor force
- 60.0%
- Unemployment
- 4.7%
- Self-employed
- 17.6%
- Farmers
- 0.2%
Community
- Charitable givers
- 52.7%
- Veterans
- 4.4%
- With a disability
- 9.5%
- No health insurance
- 1.3%
- Limited English
- 5.3%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.