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Quincy city, IL

ZIP 62305 — People & Community

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

Middle ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 62305

62305 has a population of 19,077 with a median age of 45.7 yrs (47.3% male).

Race & Ethnicity
White
95.6%+55% vs US avg
x
Black
1.9%-85% vs US avg
x
Asian
0.4%-93% vs US avg
x
Hispanic
1.1%-94% vs US avg
x
Other / Two+
1.1%
x
Age Groups
0–17
22.8%+4% vs US avg
x
18–64
53.7%-13% vs US avg
x
65+
23.5%+44% vs US avg
x
Education
Less than HS
3.4%-69% vs US avg
x
High school
30.9%+18% vs US avg
x
Some college
30.7%+6% vs US avg
x
Bachelor's+
35.0%+4% vs US avg
x
Marital Status
Married
60.4%+25% vs US avg
x
Never married
24.3%-28% vs US avg
x
Divorced
8.9%-14% vs US avg
x
Widowed / Separated
6.5%
x
Diversity Index
9/100

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

Social & household profile

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

Poverty Rate
7.6%-34% vs US avg
x
Foreign Born
13.9%-0% vs US avg
x
Veterans
8.3%+38% vs US avg
x
Disability
15.7%+17% vs US avg
x
Single Parent
5.6%-30% vs US avg
x
Recent Births
30.5%+426% vs US avg
x
Top ancestry
GermanIrishEnglish

Health & Community Indicators in 62305

Poverty Rate
7.6%-34% vs US avg
x
Veterans
8.3%+38% vs US avg
x
Foreign Born
13.9%-0% vs US avg
x
Single Parent
5.6%-30% vs US avg
x
Disability
15.7%+17% vs US avg
x
Uninsured
5.6%-30% vs US avg
x
SNAP Benefits
7.0%-40% vs US avg
x
Private School
0.3%-97% vs US avg
x
Recent Births
30.5%+426% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population19,077
Median age45.7
Poverty rate7.6%
Demographics statistics
Demographics
White95.6%
Hispanic1.1%
Black1.9%
Asian0.4%
Foreign-born13.9%