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ZIP 50440 · Grafton

Who lives in ZIP code 50440 (Grafton, IA): age, income, housing, education and work.

Source: uszips 2026 (ACS-based ZIP file)

2026 ZIP profile

Grafton, IA · Worth County

uszips 2026
People361
Median age56.2
Household income$76,429
Home value$142,569
Median rent$638/mo
Poverty7.5%
College degree+16.3%
Commute21 min

Place

Metro area
Mason City, IA (micro)
Time zone
Central
Density
5 / sq mi
Housing units
186

County

Worth100%

Share of the ZIP's people in each county.

Age mix

Under 107.2%
10–1913.5%
20s8.3%
30s8.3%
40s8.1%
50s18.5%
60s27.4%
70s6.1%
80+2.5%

25.5% are 65 or older; 81.4% are adults.

Household income

Under $25K22.6%
$25K–50K17.2%
$50K–75K8.1%
$75K–100K19.9%
$100K–150K26.3%
$150K+5.9%

32.2% of households earn $100K+. Median per person: $43,313.

Education (adults 25+)

Less than high school9.4%
High school37.0%
Some college37.3%
Bachelor's12.7%
Graduate3.6%

28.9% of degrees are in STEM fields.

Race

White96.4%
Black1.1%
Asian0.0%
Native American0.0%
Pacific Islander0.0%
Other0.0%
Two or more2.5%

2.5% Hispanic or Latino (of any race).

Households & family

Married
56.8%
Never married
23.8%
Divorced
15.9%
Widowed
3.5%
Family size
2.52
Dual-income families
52.9%

Housing

Own their home
74.7%
Rent burden
17.3%
Men / women
56% / 44%

Work

In labor force
70.9%
Unemployment
4.1%
Self-employed
20.0%
Farmers
15.0%

Community

Charitable givers
15.0%
Veterans
5.4%
With a disability
8.6%
No health insurance
4.7%
Limited English
0.0%

Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.

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