Quincy
A city in Adams County, Illinois — population 39,589 as of 2020.
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Overnight
67°F
Mostly Clear4% precip
Saturday
84°F
Sunny4% precip
Saturday Night
62°F
Mostly Clear2% precip
Sunday
81°F
Mostly Sunny
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Quincy by the numbers
Population
39,589Population figure, 2020
Households & income
- Area
- 15.76 sq mi (40.83 km²), 0.04 sq mi water
- Median age
- 39.7
- Households
- 17,620
- Persons per household
- 2.1
- Median household income
- $56,480
- Median house value
- $153,200
Municipal office
- Office
- SR ACCOUNTANT
- Address
- 730 MAINE ST, QUINCY, IL 62301