Quincy, Illinois
Quincy is a city in Adams County, Illinois, with an estimated population of 38,803 in 2023. It sits at 39.9337, -91.3793 in the America/Chicago time zone.
| Field | Value |
|---|---|
| Place name | Quincy |
| Type | city |
| State | Illinois (IL) |
| County | Adams County |
| Population (2023 est.) | 38,803 |
| Land area | 15.77 sq mi (40.84 km²) |
| Coordinates | 39.9337, -91.3793 |
| Time zone | America/Chicago |
| ZIP codes | 62301, 62305, 62306 |
| Telephone area codes | 217 |
ZIP codes and area codes for Quincy
Quincy covers 3 ZIP codes: 62301, 62305, 62306. Telephone area codes serving the area: 217. Browse all ZIP codes in Illinois for the full list.
Where is Quincy?
Quincy is located in Illinois, in Adams County. The coordinates above can be pasted directly into any map service. The nearest indexed places are listed below, which is a useful check when two states share a place name.
Nearby places
Ursa 16 km · ILLa Grange 16 km · MOPayson 17 km · ILMendon 19 km · ILPalmyra 20 km · MOPlainville 24 km · ILLiberty 24 km · ILHannibal 25 km · MO
Other places in Adams County
Camp Point 1,114Payson 1,000Mendon 851Golden 630Clayton 621Ursa 592Liberty 527Loraine 294Plainville 265
Related
Frequently asked questions
What county is Quincy, IL in?
Quincy is in Adams County, Illinois.
What is the population of Quincy, IL?
The 2023 Census Bureau estimate is 38,803.
What time zone is Quincy in?
Quincy is in the America/Chicago time zone.