Quincy is a city in Adams County, Illinois, United States, and its county seat. Located on the Mississippi River, the population was 39,463 as of the 2020 census, down from 40,633 in 2010. The Quincy micropolitan area had 114,649 residents.
Midwest
Quincy
Adams County, IL
Population
39,441
Walk Score
89 · Very Walkable
Median rent
$776
Median home value
$141,200
Settled
1819
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On the National Register
Historic districts
- Downtown Quincy Historic District · listed 1983
- Lock and Dam No. 21 Historic District · listed 2004
- Quincy East End Historic District · listed 1985
- Quincy Northwest Historic District · listed 2000
- South Side German Historic District · listed 1992
- South Side German Historic District (Boundary Increase) · listed 1995
- Woodland Cemetery · listed 2002
Notable landmarks
- Quincy Memorial Bridge
- Coca-Cola Bottling Company Building · listed 1997
- Dimmitt, Arthur, Grocery Store
- Gardner, Robert W., House · listed 1979
- House at 419 Kentucky St.
- Kohl Wholesale
- Lesem, S.J., Building · listed 1999
- Morgan-Wells House · listed 1977
- Newcomb, Richard F., House · listed 1982
- One Thirty North Eighth Building · listed 1984
- Quincy National Cemetery · listed 2011
- State Savings Loan and Trust · listed 1979
- U.S. Post Office and Courthouse · listed 1977
- Villa de Kathrine · listed 1978
- Warfield, William S., House · listed 1979
- Wood, Ernest M., Office and Studio · listed 1982
- Wood, John, Mansion · listed 1970
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