Census tracts · Quincy, IL

Census tracts in Quincy, Illinois

12 census tracts lie mostly within Quincy, and 3 more reach into it, by the 2020 census blocks they share. Median household income runs from $18,784 in Tract 7 to $75,117 in Tract 2.02, against $56,480 for Quincy as a whole (ACS 2020-2024 5-year estimates).

Which census tracts of Quincy earn the most and the least?

The five tracts with the highest and the lowest median household income among those mostly within Quincy and with a reliable estimate.

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

Every census tract in Quincy

Sort by any column; the share column is how much of each tract's land (by 2020 census blocks) lies inside Quincy.

Census tracts in or partly in Quincy, ACS 2020-2024 5-year estimates. Distance and direction from the Census Bureau's internal point of Quincy (2024 Gazetteer), which is not always its downtown
Tract 2.02170010002020.7 mi northwestAdams County3,033±309$75,117$128,800$1,182100%
Tract 5170010005001.2 mi northwestAdams County1,808±313$41,417$125,800$898100%
Tract 617001000600at the center pointAdams County3,931±435$72,907$192,600$856100%
Tract 10.01170010010010.9 mi southAdams County3,933±558$67,813$134,000$964100%
Tract 7170010007001.5 mi westAdams County1,048±208$18,784$143,800$68098%
Tract 9170010009001.7 mi southwestAdams County2,400±306$43,618$119,800$70296%
Tract 2.01170010002011.6 mi northAdams County1,889±306$57,417$143,900$97196%
Tract 10.02170010010021.8 mi southAdams County2,820±518$62,975$142,300$1,24296%
Tract 4170010004002.1 mi northwestAdams County3,451±466$42,219$70,000$70295%
Tract 8170010008002.1 mi southwestAdams County2,345±372$35,417$65,500$59688%
Tract 11170010011001.7 mi southeastAdams County7,925±662$72,411$207,000$94186%
Tract 1170010001001.8 mi northeastAdams County4,219±437$69,851$154,900$94575%
Tract 105170010105005.0 mi northwestAdams County3,123±404$80,182$218,900$86534%
Tract 106170010106006.0 mi southeastAdams County5,308±375$82,832$222,600$84811%
Tract 104170010104007.3 mi northeastAdams County3,392±235$102,764$241,900$1,3262%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files · Census block assignment files

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections