Quincy, IL ZIP Codes, Coordinates & Counties
Quincy, Illinois has 2 ZIP codes in Adams county. The approximate center of Quincy is 39.931, -91.367. Quincy has about 363,880 known street addresses.
ZIP codes in Quincy, IL
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 62301 | Adams | 39.932 | -91.387 |
| 62305 | Adams | 39.93 | -91.346 |
Counties Quincy spans
Adams
Most common streets in Quincy
24th, 12th, Broadway, State, 18th, 5th, 48th, Harrison, Cherry, Chestnut
Frequently asked questions
What ZIP codes are in Quincy, IL?
Quincy, Illinois has 2 ZIP codes, ranging from 62301 to 62305. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Quincy, IL in?
Quincy is in Adams county.
What are the latitude and longitude of Quincy, IL?
The approximate center of Quincy, Illinois is latitude 39.931, longitude -91.367. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Quincy, IL have?
Quincy has 2 ZIP codes.
How many addresses are in Quincy, IL?
Quincy, Illinois has about 363,880 known street addresses in the sthan.io US address database.
What are the most common streets in Quincy, IL?
Some of the most common street names in Quincy are 24th, 12th, Broadway, State, 18th, 5th.
What cities are near Quincy, IL?
Cities near Quincy include Taylor (7 mi), Fowler (8 mi), Payson (10 mi), Paloma (11 mi), La Grange (12 mi).
Cities near Quincy
Taylor, MO (7 mi) Fowler, IL (8 mi) Payson, IL (10 mi) Paloma, IL (11 mi) La Grange, MO (12 mi) Coatsburg, IL (13 mi) Ursa, IL (13 mi) Plainville, IL (14 mi)
Need this for any US address, in code?
Get the ZIP code, county, and coordinates for any US address through the sthan.io API. Free 100 requests/month, no credit card required.
View the API →Last updated: June 2026 · Data: sthan.io US address database