RANKING · 2024 ACS · 101 SHOWN OF 101

Highest Welsh population share, Illinois counties

Illinois counties ranked by the share of all residents who are Welsh ancestry (2024 American Community Survey). A concentration measure: Welsh residents as a percentage of total population. This list covers the 101 counties in Illinois that qualify, ranked against each other statewide.

Welsh Americans: full group profile →

IllinoisAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPWELSH SHAREVS 2010

01Schuyler County, ILIL6,6571.4%+1.0 pts

02Stark County, ILIL5,3191.2%+0.2 pts

03Marion County, ILIL36,3821.1%+0.3 pts

04Warren County, ILIL16,2221.1%+0.5 pts

05Massac County, ILIL13,5021.0%+0.4 pts

06Franklin County, ILIL36,9160.9%+0.3 pts

07Piatt County, ILIL16,7910.9%+0.4 pts

08Carroll County, ILIL15,4190.9%+0.5 pts

09Henderson County, ILIL5,9840.9%+0.6 pts

10Hamilton County, ILIL7,8590.9%+0.8 pts

11Fayette County, ILIL20,7900.9%+0.5 pts

12Bureau County, ILIL32,5100.8%+0.4 pts

13Saline County, ILIL22,7720.7%−0.5 pts

14Mason County, ILIL12,4110.7%+0.5 pts

15Marshall County, ILIL11,4730.7%−0.2 pts

16Boone County, ILIL53,5680.7%+0.2 pts

17McDonough County, ILIL25,9160.7%−0.1 pts

18Peoria County, ILIL178,5530.7%+0.0 pts

19Moultrie County, ILIL14,3710.7%+0.2 pts

20Jo Daviess County, ILIL21,5940.7%−0.1 pts

21LaSalle County, ILIL107,7730.6%+0.2 pts

22Morgan County, ILIL32,5150.6%+0.3 pts

23Sangamon County, ILIL194,1700.6%−0.2 pts

24Henry County, ILIL48,0950.6%+0.0 pts

25Coles County, ILIL46,6070.6%+0.1 pts

26Rock Island County, ILIL141,8690.6%+0.2 pts

27Crawford County, ILIL18,6480.6%−0.2 pts

28Edwards County, ILIL5,8980.6%−0.3 pts

29Mercer County, ILIL15,2290.6%−0.2 pts

30McLean County, ILIL171,4190.6%−0.2 pts

31Madison County, ILIL263,1100.5%−0.2 pts

32Champaign County, ILIL209,9720.5%−0.1 pts

33Macoupin County, ILIL43,7480.5%−0.0 pts

34Montgomery County, ILIL28,0760.5%+0.2 pts

35Jefferson County, ILIL36,1470.5%+0.0 pts

36Woodford County, ILIL38,1110.5%−0.1 pts

37Johnson County, ILIL13,3630.5%+0.3 pts

38Ogle County, ILIL51,3990.5%+0.2 pts

39Perry County, ILIL20,1600.5%−0.4 pts

40Pike County, ILIL14,2310.5%−0.1 pts

41Iroquois County, ILIL26,1500.5%−0.0 pts

42Douglas County, ILIL19,8800.5%−0.0 pts

43Greene County, ILIL11,3130.5%−0.5 pts

44Randolph County, ILIL29,9210.5%+0.1 pts

45Pope County, ILIL3,6720.5%−0.1 pts

46Tazewell County, ILIL130,0490.5%+0.0 pts

47Lee County, ILIL32,9140.4%+0.1 pts

48Williamson County, ILIL67,2250.4%−0.2 pts

49White County, ILIL13,2500.4%−0.3 pts

50Adams County, ILIL64,2670.4%+0.1 pts

51St. Clair County, ILIL250,7080.4%−0.1 pts

52Monroe County, ILIL34,8400.4%+0.1 pts

53Whiteside County, ILIL54,1210.4%+0.2 pts

54DeKalb County, ILIL101,8350.4%−0.1 pts

55Cumberland County, ILIL10,2080.4%−0.5 pts

56Brown County, ILIL6,4010.4%–

57Stephenson County, ILIL43,2200.4%+0.0 pts

58Vermilion County, ILIL71,2590.4%−0.4 pts

59Logan County, ILIL27,1820.4%−0.2 pts

60Jackson County, ILIL52,5010.4%−0.1 pts

61Hancock County, ILIL16,8030.4%−0.2 pts

62Winnebago County, ILIL283,6740.4%−0.1 pts

63De Witt County, ILIL15,1180.3%−0.3 pts

64DuPage County, ILIL934,2980.3%−0.1 pts

65Macon County, ILIL99,3000.3%−0.1 pts

66Kane County, ILIL525,7570.3%−0.2 pts

67Kendall County, ILIL145,4700.3%−0.3 pts

68Fulton County, ILIL32,9010.3%−0.6 pts

69McHenry County, ILIL317,7510.3%−0.2 pts

70Knox County, ILIL47,7670.3%−0.4 pts

71Effingham County, ILIL34,5190.3%+0.0 pts

72Christian County, ILIL33,4430.3%−0.0 pts

73Gallatin County, ILIL4,6160.3%−0.2 pts

74Lake County, ILIL719,3390.3%−0.2 pts

75Will County, ILIL712,2530.3%−0.1 pts

76Washington County, ILIL13,5640.3%−1.6 pts

77Clinton County, ILIL37,1280.3%−0.0 pts

78Putnam County, ILIL5,6190.2%−0.4 pts

79Richland County, ILIL15,2190.2%−0.0 pts

80Pulaski County, ILIL4,8200.2%+0.2 pts

81Shelby County, ILIL20,5760.2%−0.2 pts

82Union County, ILIL16,6560.2%−0.5 pts

83Edgar County, ILIL16,3230.2%−0.1 pts

84Cook County, ILIL5,194,6250.2%−0.1 pts

85Grundy County, ILIL54,0520.2%−0.8 pts

86Scott County, ILIL4,8660.2%−0.6 pts

87Bond County, ILIL16,9590.2%−0.6 pts

88Calhoun County, ILIL4,3000.2%+0.1 pts

89Ford County, ILIL13,2160.2%−0.0 pts

90Jersey County, ILIL21,1600.2%−0.1 pts

91Alexander County, ILIL4,5700.2%−0.1 pts

92Lawrence County, ILIL13,7900.1%−0.1 pts

93Kankakee County, ILIL105,5250.1%−0.4 pts

94Wayne County, ILIL15,8820.1%−0.0 pts

95Livingston County, ILIL35,0570.1%−0.3 pts

96Clay County, ILIL12,7930.1%−0.3 pts

97Wabash County, ILIL10,9070.1%−0.2 pts

98Menard County, ILIL11,8630.1%−0.4 pts

99Cass County, ILIL12,4630.1%−0.1 pts

100Jasper County, ILIL9,0320.1%−0.8 pts

101Clark County, ILIL15,1140.1%−0.8 pts

SHOWING 1–101 OF 101

Download CSV (full list, 101 rows)

UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES