RANKING · 2024 ACS · 41 SHOWN OF 41

Largest Costa Rican population, Illinois cities

Illinois cities ranked by the number of residents who are Costa Rican origin, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 41 cities in Illinois that qualify, ranked against each other statewide. The median across all 41 is 26. Biggest climber in the top 100 since 2020: Bolingbrook, IL, up 28 places to #16.

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RELATEDLargest Mexican population Highest Mexican population share Largest Puerto Rican population Highest Puerto Rican population share Largest Cuban population Highest Cuban population share

YEAR2010 2020 2024

Largest Costa Rican population by state

RANKPLACESTATEPOPCOSTA RICAN POPULATIONVS 2010

01Chicago, ILIL2,731,5851,075+47%

02Belleville, ILIL40,237129+2050%

03▲24Franklin Park, ILIL18,045115+248%

04▲8Evanston, ILIL76,380110–

05▲18Champaign, ILIL91,195108+135%

06Peoria, ILIL110,92084−2%

07Oak Lawn, ILIL56,45063+80%

08Justice, ILIL12,28549–

09Buffalo Grove, ILIL42,81244+450%

10Joliet, ILIL152,24144–

11Niles, ILIL30,44343–

12Des Plaines, ILIL58,77238–

13Carlinville, ILIL5,46537–

14▲7Skokie, ILIL66,54434−77%

15▲7Lindenhurst, ILIL14,81032–

16▲28Bolingbrook, ILIL74,80331–

17▼12Elgin, ILIL115,47631–

18▲15Park Forest, ILIL21,07931–

19Urbana, ILIL39,71929–

20St. Charles, ILIL33,59427–

21▼14Hanover Park, ILIL36,56826–

22▲18Lake Forest, ILIL19,73126+225%

23Streator, ILIL12,19025–

24▼9Woodridge, ILIL34,02825–

25Yorkville, ILIL26,73025–

26▼2Glendale Heights, ILIL32,65524–

27Schaumburg, ILIL77,24923–

28Oak Park, ILIL52,82321−43%

29Lake in the Hills, ILIL28,59020–

30Manteno, ILIL9,20119−63%

31▼15Naperville, ILIL153,11418−40%

32DeKalb, ILIL40,46715–

33Brookfield, ILIL18,87914–

34▼30Hoffman Estates, ILIL50,85814–

35▼1Wheeling, ILIL38,39114−18%

36▲1North Aurora, ILIL19,40613–

37Geneva, ILIL21,13810–

38La Grange, ILIL15,93510−75%

39Westchester, ILIL16,3009–

40Homer Glen, ILIL24,8735–

41Wood Dale, ILIL14,0812–

SHOWING 1–41 OF 41

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES