ZIP 50666 · Plainfield
Who lives in ZIP code 50666 (Plainfield, IA): age, income, housing, education and work.
Source: uszips 2026 (ACS-based ZIP file)
2026 ZIP profile
Plainfield, IA · Bremer County
uszips 2026
People753
Median age49.6
Household income$79,867
Home value$199,090
Median rent$684/mo
Poverty4.2%
College degree+7.8%
Commute19 min
Place
- Metro area
- Waterloo-Cedar Falls, IA
- Time zone
- Central
- Density
- 6 / sq mi
- Housing units
- 321
Spans 2 counties
Share of the ZIP's people in each county.
Age mix
26.8% are 65 or older; 80.3% are adults.
Household income
35.5% of households earn $100K+. Median per person: $51,354.
Education (adults 25+)
41.9% of degrees are in STEM fields.
Race
1.5% Hispanic or Latino (of any race).
Households & family
- Married
- 60.3%
- Never married
- 20.2%
- Divorced
- 15.7%
- Widowed
- 3.7%
- Family size
- 2.93
- Dual-income families
- 45.8%
Housing
- Own their home
- 94.7%
- Rent burden
- —
- Men / women
- 54% / 46%
Work
- In labor force
- 70.8%
- Unemployment
- 3.8%
- Self-employed
- 17.8%
- Farmers
- 17.8%
Community
- Charitable givers
- 17.8%
- Veterans
- 3.1%
- With a disability
- 9.6%
- No health insurance
- 0.8%
- Limited English
- 0.0%
Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.