Citizen Portal
Sign In
Back to Quincy Feed

Quincy

city

Quincy, Illinois, nestled on the Mississippi River in Adams County, serves as the county seat and a vital economic and cultural hub for West-Central Illinois. With a population of approximately 39,109 in 2024, the city blends its rich history with modern development. Known as the "Gem City," Quincy has a diverse economy rooted in agriculture and manufacturing, and a growing presence in healthcare and technology. Quincy's economy is supported by key industries such as healthcare, manufacturing, and agriculture. Major institutions like Blessing Hospital, Quincy University, and John Wood Community College contribute significantly to the local economy and provide employment opportunities. The city's strategic location on the Mississippi River has historically facilitated trade and transportation, and continues to play a role in its economic activities. Quincy distinguishes itself through its significant historical role, particularly during the 19th century. It provided refuge for Mormons in the winter of 1838-39 and was a stop on the Underground Railroad. The city hosted one of the Lincoln-Douglas debates in 1858, further cementing its place in American history. Today, Quincy maintains a strong sense of community, celebrates its German heritage, and offers a high quality of life with its extensive park system and performing arts organizations.

Quincy, Illinois

Overview
Classification
City
Country
United States
County
Adams
Geography
Region
West-Central Illinois
Elevation
633 ft
Total Area
15.81 sq mi
Land Area
15.77 sq mi
Water Area
0.04 sq mi
Latitude
39.93111
Longitude
-91.37222
Climate
Quincy experiences a humid continental climate with four distinct seasons. Summers are warm and humid, while winters are cold with occasional snowfall.
Notable Features
Mississippi River · Quincy Bay · Bluffs
Neighboring Areas
West Quincy, Missouri · North Quincy · Hickory Grove · Marblehead
Demographics
Population (2020)
39,463
Est. Population (2024)
39,109
Median Age
39.7
Median Income
$56,480
Poverty Rate
16.7%
Family Households
51.3%
Owner-Occupied
63.6%
Racial & Ethnic Composition
The racial makeup of Quincy is approximately 86% White, 4.2% Black or African American, 6% Two or More Races, 2.5% Hispanic, and 1% Asian.
Governance
Government Type
Mayor-Council
Governing Body
City Council
School District
Quincy Public School District 172
Municipal Services
Police · Fire · Public Works · Parks & Recreation · Utilities · Engineering · Central Services
Economy
Unemployment Rate
4.6%
Economic Profile
Diverse · Manufacturing · Healthcare · Agriculture
Employment Sectors
Health Care & Social Assistance · Manufacturing · Retail Trade
Major Employers
Blessing Hospital · Knapheide Manufacturing Company · Quincy University · John Wood Community College
Education
Schools
10
Students
6,100
School Districts
Quincy Public School District 172
Colleges & Universities
Quincy University · John Wood Community College · Blessing Rieman College of Nursing and Health Sciences
Infrastructure
Transportation
Interstate access · Rail service · Barge Dock
Utilities
Municipal water · Sewer · Storm water
Major Facilities
Blessing Hospital · Quincy Regional Airport
Recreation
Outdoor Access
Yes
Major Recreation Areas
Quincy Park District Parks · Bill Klingner Trail · Moorman Park · Quinsippi Island Park
Parks & Trails
Quincy Park District with 28 parks · Bill Klingner Trail System
History
Founded
1819
Incorporated
1840
Named After
John Quincy Adams
Historical Significance
Quincy played a significant role in 19th-century Illinois history, particularly during the slavery debates and westward expansion. It was once the second-largest city in Illinois and a major transportation hub.
Key Events
Settled by John Wood in 1819 · Became Adams County seat in 1825 · Refuge for Mormons in 1838-39 · Stop on the Underground Railroad · Site of a Lincoln-Douglas debate in 1858