ZIP codes
2
Quincy, IL Demographics & ZIP Codes
Quincy, Illinois demographics and median household income by ZIP code (in Adams County) — 2 ZIP codes — population 50,064 — median income $66,565 — avg. home value $163,850. Compare income, housing, and population across ZIP codes on US5.
Population
50,064
Median household income (avg.)
$66,565
89% of U.S. median
Average home value
$163,850
47% of U.S. median
Average rent
$700
60% of U.S. median
Median age (avg.)
42.4
Quincy demographics
Quincy, Illinois covers 2 ZIP codes primarily in Adams County, with a combined ZIP-area population of about 50,064.
Across ZIP codes with age data, the average median age is about 42.4 years.
Median household income in Quincy
The average median household income across ZIP codes in Quincy, Illinois is about $66,565 — about 15% below the IL ZIP average ($78,143), and about 11% below the U.S. median ($75,149).
Among ZIPs with income data, 62305 is near the top at about $80,918, while 62301 is near the bottom at about $52,212.
Housing in Quincy
For housing in Quincy, Illinois, the average median home value is about $163,850 and the average median rent is about $700.
The most populous ZIP in this set is 62301 (about 30,987 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Quincy
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 62301 | Quincy | Adams County | IL | 30,987 | $52,212 | $124,200 |
| 62305 | Quincy | Adams County | IL | 19,077 | $80,918 | $203,500 |
Frequently asked questions
What are the demographics of Quincy?
Quincy, Illinois has a combined ZIP-area population of about 50,064 across 2 ZIP codes (primarily Adams County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Quincy?
The average median household income across ZIP codes in Quincy, Illinois is about $66,565, about 15% below the state ZIP average ($78,143), and about 11% below the U.S. median ($75,149). Average median home value is about $163,850. Among ZIPs with data, 62305 is near the top ($80,918) and 62301 is near the bottom ($52,212).
How many ZIP codes are in Quincy?
Quincy, Illinois includes 2 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Quincy?
This page lists ZIP codes in Quincy, Illinois with population, median household income, and home value. Select a ZIP for a full demographics profile.