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ZIP 61259 · Illinois City

Who lives in ZIP code 61259 (Illinois City, IL): age, income, housing, education and work.

Source: uszips 2026 (ACS-based ZIP file)

2026 ZIP profile

Illinois City, IL · Rock Island County

uszips 2026
People1,053
Median age55.3
Household income$91,458
Home value$208,989
Median rent—
Poverty4.3%
College degree+22.6%
Commute27 min

Place

Metro area
Davenport-Moline-Rock Island, IA-IL
Wider region
Davenport-Moline, IA-IL
Time zone
Central
Density
5 / sq mi
Housing units
480

Spans 2 counties

Rock Island97%
Mercer3%

Share of the ZIP's people in each county.

Age mix

Under 1010.9%
10–194.2%
20s11.0%
30s4.1%
40s2.1%
50s36.2%
60s14.6%
70s12.2%
80+4.5%

21.7% are 65 or older; 86.1% are adults.

Household income

Under $25K4.0%
$25K–50K13.5%
$50K–75K27.5%
$75K–100K7.9%
$100K–150K30.0%
$150K+17.1%

47.1% of households earn $100K+. Median per person: $49,141.

Education (adults 25+)

Less than high school2.2%
High school35.1%
Some college40.0%
Bachelor's15.7%
Graduate6.9%

44.2% of degrees are in STEM fields.

Race

White98.5%
Black0.0%
Asian1.5%
Native American0.0%
Pacific Islander0.0%
Other0.0%
Two or more0.0%

0.0% Hispanic or Latino (of any race).

Households & family

Married
66.5%
Never married
21.2%
Divorced
9.7%
Widowed
2.6%
Family size
2.60
Dual-income families
54.5%

Housing

Own their home
91.5%
Rent burden
—
Men / women
44% / 56%

Work

In labor force
60.0%
Unemployment
1.3%
Self-employed
14.5%
Farmers
16.1%

Community

Charitable givers
21.0%
Veterans
5.7%
With a disability
8.5%
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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