Quincy, IL
Population 39,188 · Illinois
About Quincy, IL
Quincy is a mid-sized city in Illinois with a population of 39,188 residents. The median household income is $56,372 per year, which is near the national average. The median age in Quincy is 40.1 years.
Housing in Quincy has a median home value of $146,100 and median monthly rent of $824. Of the 19,026 total housing units, the majority are owner-occupied, with 11,300 owner-occupied and 6,151 renter-occupied units.
The unemployment rate in Quincy is 4.2% and the poverty rate is 15.4%. 26.6% of residents hold a bachelor's degree or higher. The average commute time is 13.9 minutes.
How Quincy Ranks in Illinois
Cost of Living in Quincy, IL
Compared to national averages, Quincy has a median household income of $56,372 (25% below the national median of $75,149). Home values average $146,100, which is 40% below the national median. Monthly rent at $824 is 29% below the US average of $1,163. Within Illinois, Quincy's income is 25% below the state average of $75,072, and home values are 12% below the state median of $165,779.
Why Live in Quincy, IL?
Quincy offers affordable housing with a median home value of $146,100, below the US average of $244,900, and rent that’s lower than the national average at $824/month, and short commute times averaging just 13.9 minutes.
Potential considerations include median household income ($56,372) that falls below the national average. However, Quincy’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Quincy has a population of 39,188 with a median age of 40.1 years. Compare Quincy with other cities to see how it stacks up, or explore all cities in Illinois.
Similar Cities Near Quincy
Cities in Illinois with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Park Ridge | 39,241 | $138,059 | $539,300 | Compare |
| Streamwood | 39,055 | $101,049 | $258,300 | Compare |
| Carol Stream | 39,427 | $105,395 | $308,700 | Compare |
| Wheeling | 38,495 | $83,251 | $244,600 | Compare |
| Urbana | 38,447 | $45,854 | $186,300 | Compare |
| Crystal Lake | 40,436 | $105,428 | $287,400 | Compare |
| DeKalb | 40,464 | $46,564 | $202,900 | Compare |
| Bartlett | 40,531 | $130,479 | $350,500 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Illinois
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Quincy
What is the population of Quincy, IL?
The population of Quincy, IL is 39,188 according to the latest Census data.
What is the median household income in Quincy?
The median household income in Quincy, IL is $56,372 per year.
What is the median home value in Quincy?
The median home value in Quincy, IL is $146,100.
What is the average rent in Quincy?
The median monthly rent in Quincy, IL is $824.
What is the unemployment rate in Quincy?
The unemployment rate in Quincy, IL is 4.2%.