Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/IL/QUINCY

Quincy ZIP codes, Illinois

Quincy, IL has 3 ZIP codes (62301, 62305 and 62306) and area codes 217 and 447. The largest is 62301.

USPS city name
3 ZIP codes
Population
39,109
Area codes
217, 447

Quincy in numbers

About 39,109 people live in Quincy, in 17,620 households, the 44th-largest of Illinois's 1,443 census places. The median household income is $56,480 a year, 32% below the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $153,200 (42% below the Illinois median), and median gross rent is $837 a month. The median age is 39.7; 27.8% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 14 minutes.

Population39,109Quincy39,109
Households17,620Quincy17,620
Median age39.7Quincy39.7Illinois39.0US 38.9
Median household income$56,480Quincy$56,480Illinois$83,390US $80,734
Median home value$153,200Quincy$153,200Illinois$263,300US $332,700
Median gross rent$837Quincy$837Illinois$1,274US $1,413
Bachelor's degree or higher27.8%Quincy27.8%Illinois37.8%US 35.7%
Mean commute13.6 minQuincy13.6 minIllinois27.8 minUS 26.4 min
Population density2,456 / sq miQuincy2,456 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Quincy city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Quincy

ZIP codes with the USPS city name Quincy
ZIP City Type Population Median income Median home
62301 Quincy , IL Standard 30,746 $52,055 $135,100
62305 Quincy , IL Standard 19,036 $83,598 $213,600
62306 Quincy , IL No street area — — —

Map of Quincy ZIP codes

623016230562306

The ZIP codes of Quincy, IL, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Quincy

The nearest larger towns are Wentzville, MO (47,061 people, 82 mi), Columbia, MO (128,548 people, 85 mi) and O'Fallon, MO (93,801 people, 87 mi).

Towns near Quincy
TownPopulationDistance
Palmyra, MO 3,623 12.2 mi
Hannibal, MO 16,771 15.5 mi
Canton, MO 2,752 15.6 mi
Monroe City, MO 3,028 26.9 mi

More nearby: every ZIP code in Adams County · Illinois ZIP codes

Cite this page

zipcodes.pro. “Quincy, IL ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/il/quincy

Underlying data is public domain or openly licensed — sources, vintages and licences.