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Fairfield city, IL

ZIP 62837 — People & Community

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Working ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 62837

62837 has a population of 7,924 with a median age of 46.6 yrs (50.5% male).

Race & Ethnicity
White
94.9%+54% vs US avg
x
Black
0.5%-96% vs US avg
x
Asian
0.5%-92% vs US avg
x
Hispanic
2.4%-87% vs US avg
x
Other / Two+
1.8%
x
Age Groups
0–17
19.1%-13% vs US avg
x
18–64
56.8%-8% vs US avg
x
65+
24.1%+48% vs US avg
x
Education
Less than HS
9.0%-19% vs US avg
x
High school
35.3%+35% vs US avg
x
Some college
40.8%+41% vs US avg
x
Bachelor's+
14.9%-56% vs US avg
x
Marital Status
Married
50.9%+6% vs US avg
x
Never married
23.0%-32% vs US avg
x
Divorced
14.8%+43% vs US avg
x
Widowed / Separated
11.3%
x
Diversity Index
10/100

Higher = more diverse (Simpson index from race/ethnicity)

Social & household profile

Poverty, nativity, veterans, disability, family structure, and births (ACS).

Poverty Rate
15.7%+36% vs US avg
x
Foreign Born
70.2%+405% vs US avg
x
Veterans
6.7%+12% vs US avg
x
Disability
19.6%+46% vs US avg
x
Single Parent
8.2%+1% vs US avg
x
Recent Births
41.7%+619% vs US avg
x
Top ancestry
GermanEnglishIrish

Health & Community Indicators in 62837

Poverty Rate
15.7%+36% vs US avg
x
Veterans
6.7%+12% vs US avg
x
Foreign Born
70.2%+405% vs US avg
x
Single Parent
8.2%+1% vs US avg
x
Disability
19.6%+46% vs US avg
x
Uninsured
7.0%-12% vs US avg
x
SNAP Benefits
17.7%+51% vs US avg
x
Private School
0.0%
x
Recent Births
41.7%+619% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population7,924
Median age46.6
Poverty rate15.7%
Demographics statistics
Demographics
White94.9%
Hispanic2.4%
Black0.5%
Asian0.5%
Foreign-born70.2%