Skip to content
GERBER.ai

ZIP 61489 · Williamsfield

Who lives in ZIP code 61489 (Williamsfield, IL): age, income, housing, education and work.

Source: uszips 2026 (ACS-based ZIP file)

2026 ZIP profile

Williamsfield, IL · Knox County

uszips 2026
People820
Median age45.6
Household income$98,125
Home value$142,587
Median rent$642/mo
Poverty3.4%
College degree+25.2%
Commute23 min

Place

Metro area
Galesburg, IL (micro)
Time zone
Central
Density
7 / sq mi
Housing units
340

Spans 2 counties

Knox97%
Peoria3%

Share of the ZIP's people in each county.

Age mix

Under 105.1%
10–1918.7%
20s12.5%
30s6.8%
40s10.5%
50s15.2%
60s18.8%
70s10.2%
80+2.4%

22.3% are 65 or older; 79.3% are adults.

Household income

Under $25K5.9%
$25K–50K8.8%
$50K–75K15.3%
$75K–100K21.8%
$100K–150K35.3%
$150K+12.9%

48.2% of households earn $100K+. Median per person: $52,778.

Education (adults 25+)

Less than high school2.4%
High school37.6%
Some college34.9%
Bachelor's20.9%
Graduate4.3%

43.5% of degrees are in STEM fields.

Race

White90.0%
Black5.6%
Asian2.3%
Native American0.0%
Pacific Islander0.0%
Other0.0%
Two or more2.1%

1.6% Hispanic or Latino (of any race).

Households & family

Married
59.2%
Never married
27.2%
Divorced
9.9%
Widowed
3.8%
Family size
2.73
Dual-income families
67.1%

Housing

Own their home
95.3%
Rent burden
15.8%
Men / women
52% / 48%

Work

In labor force
66.9%
Unemployment
2.5%
Self-employed
11.9%
Farmers
9.5%

Community

Charitable givers
9.5%
Veterans
6.2%
With a disability
13.9%
No health insurance
2.6%
Limited English
0.0%

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

Market now