PlainCities

Census tracts · Decatur, IL

Census tracts in Decatur, Illinois

29 census tracts lie mostly within Decatur, and 4 more reach into it, by the 2020 census blocks they share. Median household income runs from $21,516 in Tract 6 to $92,462 in Tract 26.01, against $51,592 for Decatur as a whole (ACS 2020-2024 5-year estimates).

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

The five tracts with the highest and the lowest median household income among those mostly within Decatur 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 Decatur

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

Census tracts in or partly in Decatur, ACS 2020-2024 5-year estimates. Distance and direction from the Census Bureau's internal point of Decatur (2024 Gazetteer), which is not always its downtown
Tract 2171150002000.9 mi southMacon County2,281±600$50,238$37,100$994100%
Tract 3171150003001.7 mi southMacon County2,775±402$45,243$50,800$859100%
Tract 5.01171150005012.0 mi southwestMacon County734±194not published$110,200$555100%
Tract 5.02171150005021.9 mi southwestMacon County2,493±431$40,723$110,600$634100%
Tract 6171150006001.7 mi westMacon County1,286±348$21,516$45,000$832100%
Tract 917115000900at the center pointMacon County1,493±335$30,878$27,900$847100%
Tract 12171150012001.8 mi southMacon County2,679±353$53,631$55,100$834100%
Tract 19171150019001.9 mi westMacon County2,232±375$33,045$46,800$793100%
Tract 20.01171150020011.9 mi northwestMacon County930±140$30,584$56,400$632100%
Tract 20.02171150020021.3 mi westMacon County2,430±420$45,323$62,500$853100%
Tract 31171150031001.0 mi southwestMacon County1,287±330$26,786not published$695100%
Tract 16171150016002.5 mi southwestMacon County2,435±396$45,938$92,500$1,03998%
Tract 13171150013003.0 mi southMacon County2,432±351$85,561$118,100$1,05598%
Tract 11171150011001.4 mi eastMacon County4,006±616$53,566$88,800$93198%
Tract 4171150004002.4 mi southwestMacon County1,228±359$51,939$93,800$90397%
Tract 18.02171150018022.6 mi westMacon County1,836±340$62,866$83,200$84196%
Tract 29.06171150029062.0 mi northMacon County2,517±403$32,833not published$84495%
Tract 24.01171150024012.6 mi southeastMacon County2,436±360$90,078$151,900$1,09594%
Tract 21171150021001.5 mi northeastMacon County1,272±293$32,500$36,100$87190%
Tract 17171150017003.7 mi westMacon County2,045±231$56,731$82,800$1,04089%
Tract 14171150014003.6 mi southwestMacon County2,542±371$66,530$105,400$1,02288%
Tract 10171150010001.4 mi eastMacon County1,285±292$54,926$43,100$83286%
Tract 15171150015004.1 mi southwestMacon County4,121±498$67,831$123,200$73382%
Tract 29.02171150029023.6 mi northwestMacon County4,255±500$61,515$153,500$88680%
Tract 29.04171150029043.3 mi northwestMacon County5,474±572$58,716$130,000$65374%
Tract 18.01171150018014.0 mi westMacon County2,229±301$82,944$122,200$1,06373%
Tract 29.05171150029053.1 mi northMacon County1,525±394$55,750$68,800$94267%
Tract 24.02171150024023.8 mi southeastMacon County5,027±388$73,266$155,100$96666%
Tract 26.01171150026014.2 mi southwestMacon County3,778±190$92,462$160,700$91957%
Tract 22171150022007.1 mi northeastMacon County5,171±314$79,250$140,400$95039%
Tract 23171150023007.2 mi eastMacon County3,028±301$95,781$179,400$71819%
Tract 29.01171150029015.8 mi northwestMacon County4,114±377$115,843$284,500$86514%
Tract 281711500280010 mi westMacon County4,020±373$85,909$139,800$8261%

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