RANKING · 2024 ACS · 97 SHOWN OF 97

Largest British population, Illinois counties

Illinois counties ranked by the number of residents who are British ancestry, 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 97 counties in Illinois that qualify, ranked against each other statewide. The median across all 97 is 63. Biggest climber in the top 100 since 2020: Lee County, IL, up 42 places to #21.

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IllinoisAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPBRITISH POPULATIONVS 2010

01Cook County, ILIL5,194,62511,748+10%

02DuPage County, ILIL934,2982,947−48%

03Lake County, ILIL719,3392,044−21%

04Will County, ILIL712,2531,219−31%

05▲3McHenry County, ILIL317,7511,015+8%

06▼1Kane County, ILIL525,757886−36%

07Champaign County, ILIL209,972766−34%

08▼2Sangamon County, ILIL194,170676−11%

09▲3St. Clair County, ILIL250,708673−22%

10Madison County, ILIL263,110567−24%

11▲6Kendall County, ILIL145,470566+74%

12▲4Tazewell County, ILIL130,049502+28%

13▼2Winnebago County, ILIL283,674476−43%

14▼5Peoria County, ILIL178,553445−26%

15▼2McLean County, ILIL171,419383−43%

16▲17Livingston County, ILIL35,057321+296%

17▼2Rock Island County, ILIL141,869279−35%

18▲4Williamson County, ILIL67,225252−26%

19▲31Grundy County, ILIL54,052238+120%

20▲15Franklin County, ILIL36,916231+101%

21▲42Lee County, ILIL32,914228+262%

22▼4DeKalb County, ILIL101,835210−46%

23▲14Ogle County, ILIL51,399197+163%

24▲3Stephenson County, ILIL43,220189+155%

25▼6Whiteside County, ILIL54,121185+33%

26▼12Macon County, ILIL99,300183−39%

27▼6Kankakee County, ILIL105,525181−25%

28▼3Vermilion County, ILIL71,259180−6%

29▲13Randolph County, ILIL29,921168+45%

30▼4Christian County, ILIL33,443160+78%

31▼2Adams County, ILIL64,267152−34%

32▼1Boone County, ILIL53,568152+9%

33▲13Monroe County, ILIL34,840150+525%

34Jefferson County, ILIL36,147149+473%

35▼11Henry County, ILIL48,095142+89%

36▲23Iroquois County, ILIL26,150138+68%

37▲29Saline County, ILIL22,772123+180%

38▲3Fayette County, ILIL20,790122+36%

39▼19Jackson County, ILIL52,501121−10%

40▼10LaSalle County, ILIL107,773113−54%

41▼3Macoupin County, ILIL43,748101+74%

42▲1Knox County, ILIL47,767100−49%

43▼20Woodford County, ILIL38,11198+1%

44▼8Marion County, ILIL36,38292−21%

45▲7Fulton County, ILIL32,90181+9%

46▼18Logan County, ILIL27,18279−28%

47▲2McDonough County, ILIL25,91676−36%

48▲3Clinton County, ILIL37,12873−51%

49▼17Coles County, ILIL46,60763−71%

50▲3Moultrie County, ILIL14,37162+158%

51▲36Calhoun County, ILIL4,30061+510%

52▲8Richland County, ILIL15,21960+46%

53▲15Washington County, ILIL13,56459+743%

54▼7Crawford County, ILIL18,64858+45%

55▲24Douglas County, ILIL19,88058+132%

56▲17Clay County, ILIL12,79357−54%

57▲15Bond County, ILIL16,95954+54%

58▲19Massac County, ILIL13,50254+575%

59▼20Piatt County, ILIL16,79153−18%

60▲20Johnson County, ILIL13,36352−15%

61▲20Stark County, ILIL5,31944+100%

62▼18De Witt County, ILIL15,11842−71%

63▲13Shelby County, ILIL20,57642−55%

64▼8Effingham County, ILIL34,51940−54%

65▼20Montgomery County, ILIL28,07640−51%

66▼5Hancock County, ILIL16,80334+42%

67Pike County, ILIL14,23134–

68▼3Perry County, ILIL20,16033−74%

69White County, ILIL13,25031+48%

70▼8Edgar County, ILIL16,32329−75%

71▼1Bureau County, ILIL32,51028−53%

72▼32Jo Daviess County, ILIL21,59428−54%

73▲12Cumberland County, ILIL10,20826–

74▼19Wabash County, ILIL10,90726+271%

75▼18Schuyler County, ILIL6,65724−79%

76▲18Hamilton County, ILIL7,85923–

77▼13Mason County, ILIL12,41122−69%

78▲10Ford County, ILIL13,21620−44%

79▲16Carroll County, ILIL15,41918−40%

80▲2Warren County, ILIL16,22217−68%

81▲9Gallatin County, ILIL4,61615−12%

82▼34Jersey County, ILIL21,16015+25%

83▲9Edwards County, ILIL5,89813+8%

84▼26Clark County, ILIL15,11412−65%

85▼10Union County, ILIL16,65611−92%

86▼12Marshall County, ILIL11,47310−62%

87▲10Henderson County, ILIL5,9849+80%

88▼4Lawrence County, ILIL13,7907−76%

89▼35Morgan County, ILIL32,5156−95%

90▲3Brown County, ILIL6,4015–

91Greene County, ILIL11,3135−83%

92▲6Pulaski County, ILIL4,8205+67%

93▼7Mercer County, ILIL15,2294−83%

94▼16Scott County, ILIL4,8663−73%

95▼24Wayne County, ILIL15,8822−95%

96▼7Cass County, ILIL12,4631−98%

97▼1Putnam County, ILIL5,6191−80%

SHOWING 1–97 OF 97

Download CSV (full list, 97 rows)

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