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RANKING · 2020 CENSUS · 102 SHOWN OF 102

Most foreign-born residents, Illinois counties · 2020

Illinois counties ranked by the share of residents born outside the US (2020 ACS). This list covers the 102 counties in Illinois that qualify, ranked against each other statewide.

Most foreign-born residents by state
All USAlaskaAlabamaArkansasArizonaCaliforniaColoradoFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWashingtonWisconsinWest VirginiaWyoming
RANKPLACESTATEPOPFOREIGN-BORNVS 2010
01Cook County, ILIL5,194,62520.9%−0.1 pts
02DuPage County, ILIL934,29819.4%+1.0 pts
03Lake County, ILIL719,33918.7%+0.7 pts
04Kane County, ILIL525,75717.3%−0.6 pts
05Champaign County, ILIL209,97212.3%+1.5 pts
06Will County, ILIL712,25312.1%+0.7 pts
07Cass County, ILIL12,46311.6%+2.9 pts
08Kendall County, ILIL145,47010.1%+1.7 pts
09McHenry County, ILIL317,7518.9%−0.8 pts
10Boone County, ILIL53,5688.9%−1.2 pts
11Winnebago County, ILIL283,6748.8%+1.1 pts
12Rock Island County, ILIL141,8697.8%+1.5 pts
13McLean County, ILIL171,4196.7%+1.5 pts
14DeKalb County, ILIL101,8356.5%−0.5 pts
15Jackson County, ILIL52,5015.7%+0.7 pts
16Peoria County, ILIL178,5535.6%+1.4 pts
17Warren County, ILIL16,2225.2%+1.0 pts
18Kankakee County, ILIL105,5255.1%+0.7 pts
19Ogle County, ILIL51,3994.0%−1.1 pts
20Bureau County, ILIL32,5103.8%+0.7 pts
21LaSalle County, ILIL107,7733.6%+0.1 pts
22Grundy County, ILIL54,0523.6%−0.1 pts
23McDonough County, ILIL25,9163.3%+0.2 pts
24Iroquois County, ILIL26,1503.2%+0.6 pts
25Knox County, ILIL47,7673.1%+1.1 pts
26St. Clair County, ILIL250,7083.1%+0.7 pts
27Douglas County, ILIL19,8803.1%−1.1 pts
28Sangamon County, ILIL194,1703.0%+0.2 pts
29Whiteside County, ILIL54,1213.0%+0.3 pts
30Brown County, ILIL6,4012.9%+0.2 pts
31Lee County, ILIL32,9142.8%+0.8 pts
32Union County, ILIL16,6562.8%+0.4 pts
33Wabash County, ILIL10,9072.4%+1.6 pts
34Macon County, ILIL99,3002.4%+0.3 pts
35Madison County, ILIL263,1102.3%+0.1 pts
36Jo Daviess County, ILIL21,5942.3%−1.6 pts
37Mercer County, ILIL15,2292.2%+1.5 pts
38Effingham County, ILIL34,5192.2%+1.2 pts
39Stephenson County, ILIL43,2202.1%−0.3 pts
40Vermilion County, ILIL71,2592.0%−0.2 pts
41Randolph County, ILIL29,9211.9%+0.6 pts
42Coles County, ILIL46,6071.9%+0.3 pts
43Livingston County, ILIL35,0571.8%+0.1 pts
44Jefferson County, ILIL36,1471.8%+0.6 pts
45Woodford County, ILIL38,1111.8%+0.3 pts
46Stark County, ILIL5,3191.7%+0.8 pts
47Tazewell County, ILIL130,0491.7%+0.2 pts
48Fayette County, ILIL20,7901.7%−0.0 pts
49Williamson County, ILIL67,2251.7%+0.2 pts
50Putnam County, ILIL5,6191.7%−0.3 pts
51Morgan County, ILIL32,5151.7%+0.6 pts
52Johnson County, ILIL13,3631.6%−0.7 pts
53Marshall County, ILIL11,4731.6%−0.3 pts
54Hamilton County, ILIL7,8591.6%+1.4 pts
55Pope County, ILIL3,6721.6%−0.0 pts
56Logan County, ILIL27,1821.5%+0.4 pts
57Clinton County, ILIL37,1281.5%+0.1 pts
58Schuyler County, ILIL6,6571.5%−1.3 pts
59Bond County, ILIL16,9591.5%+0.4 pts
60Richland County, ILIL15,2191.5%+0.1 pts
61Henry County, ILIL48,0951.5%−0.5 pts
62Scott County, ILIL4,8661.5%+0.7 pts
63Carroll County, ILIL15,4191.4%−0.4 pts
64Monroe County, ILIL34,8401.4%+0.5 pts
65Henderson County, ILIL5,9841.3%−1.5 pts
66Perry County, ILIL20,1601.3%−0.2 pts
67Lawrence County, ILIL13,7901.3%−0.2 pts
68De Witt County, ILIL15,1181.3%−0.4 pts
69Washington County, ILIL13,5641.3%+0.8 pts
70Christian County, ILIL33,4431.3%−0.6 pts
71Adams County, ILIL64,2671.3%+0.2 pts
72Montgomery County, ILIL28,0761.3%−0.1 pts
73Piatt County, ILIL16,7911.2%−0.0 pts
74Edgar County, ILIL16,3231.2%+0.6 pts
75Fulton County, ILIL32,9011.2%−1.3 pts
76Ford County, ILIL13,2161.2%−0.6 pts
77Massac County, ILIL13,5021.2%+0.5 pts
78Hancock County, ILIL16,8031.1%+0.3 pts
79Crawford County, ILIL18,6481.1%−0.7 pts
80Marion County, ILIL36,3821.1%+0.0 pts
81Menard County, ILIL11,8631.1%+0.8 pts
82Shelby County, ILIL20,5761.1%+0.1 pts
83Franklin County, ILIL36,9161.0%+0.5 pts
84Jersey County, ILIL21,1601.0%+0.1 pts
85Macoupin County, ILIL43,7481.0%−0.1 pts
86White County, ILIL13,2500.9%−0.2 pts
87Cumberland County, ILIL10,2080.9%+0.6 pts
88Jasper County, ILIL9,0320.8%+0.3 pts
89Calhoun County, ILIL4,3000.8%−1.7 pts
90Saline County, ILIL22,7720.8%−0.3 pts
91Wayne County, ILIL15,8820.7%−0.2 pts
92Moultrie County, ILIL14,3710.7%−0.6 pts
93Mason County, ILIL12,4110.7%−0.8 pts
94Pulaski County, ILIL4,8200.7%−3.3 pts
95Edwards County, ILIL5,8980.6%+0.0 pts
96Pike County, ILIL14,2310.5%−0.5 pts
97Clark County, ILIL15,1140.5%−0.4 pts
98Hardin County, ILIL3,5880.4%−0.7 pts
99Clay County, ILIL12,7930.4%−0.4 pts
100Gallatin County, ILIL4,6160.3%−0.1 pts
101Greene County, ILIL11,3130.3%−0.4 pts
102Alexander County, ILIL4,5700.3%−1.6 pts
SHOWING 1–102 OF 102

UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS