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RANKING · 2024 ACS · 102 SHOWN OF 102

Most foreign-born residents, Illinois counties

Illinois counties ranked by the share of residents born outside the US (2024 ACS). This list covers the 102 counties in Illinois that qualify, ranked against each other statewide. The median across all 102 is 1.7%. Biggest climber in the top 100 since 2020: Wayne County, IL, up 51 places to #40.

Most foreign-born residents by state
All USAlaskaAlabamaArkansasArizonaCaliforniaColoradoFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWashingtonWisconsinWest VirginiaWyoming
RANKPLACESTATEPOPFOREIGN-BORNVS 2010
01Cook County, ILIL5,194,62521.7%+0.7 pts
02DuPage County, ILIL934,29820.5%+2.2 pts
03Lake County, ILIL719,33919.8%+1.8 pts
04Kane County, ILIL525,75717.2%−0.7 pts
05Champaign County, ILIL209,97214.2%+3.3 pts
06▲1Cass County, ILIL12,46314.2%+5.5 pts
07▼1Will County, ILIL712,25313.5%+2.2 pts
08Kendall County, ILIL145,47011.4%+3.0 pts
09▲1Boone County, ILIL53,56811.3%+1.2 pts
10▼1McHenry County, ILIL317,7519.9%+0.2 pts
11Winnebago County, ILIL283,6748.9%+1.2 pts
12Rock Island County, ILIL141,8698.7%+2.4 pts
13McLean County, ILIL171,4197.6%+2.4 pts
14▲2Peoria County, ILIL178,5537.1%+2.9 pts
15▲2Warren County, ILIL16,2226.5%+2.2 pts
16▼2DeKalb County, ILIL101,8356.4%−0.6 pts
17▲1Kankakee County, ILIL105,5255.7%+1.3 pts
18▼3Jackson County, ILIL52,5015.7%+0.6 pts
19Ogle County, ILIL51,3994.5%−0.5 pts
20▲7Douglas County, ILIL19,8804.2%0.0 pts
21▲1Grundy County, ILIL54,0524.1%+0.4 pts
22▼1LaSalle County, ILIL107,7733.9%+0.3 pts
23▲5Sangamon County, ILIL194,1703.6%+0.7 pts
24Iroquois County, ILIL26,1503.5%+0.9 pts
25▼5Bureau County, ILIL32,5103.4%+0.3 pts
26St. Clair County, ILIL250,7083.3%+0.9 pts
27▼2Knox County, ILIL47,7673.2%+1.2 pts
28▲1Whiteside County, ILIL54,1213.0%+0.2 pts
29▲3Union County, ILIL16,6563.0%+0.6 pts
30▲12Coles County, ILIL46,6072.8%+1.2 pts
31▲3Macon County, ILIL99,3002.7%+0.7 pts
32▼9McDonough County, ILIL25,9162.7%−0.4 pts
33▲43Ford County, ILIL13,2162.6%+0.9 pts
34▲5Stephenson County, ILIL43,2202.6%+0.2 pts
35▲6Randolph County, ILIL29,9212.4%+1.1 pts
36▲27Carroll County, ILIL15,4192.4%+0.6 pts
37▲6Livingston County, ILIL35,0572.4%+0.7 pts
38▲8Stark County, ILIL5,3192.4%+1.4 pts
39▲18Clinton County, ILIL37,1282.3%+0.9 pts
40▲51Wayne County, ILIL15,8822.2%+1.3 pts
41▼10Lee County, ILIL32,9142.2%+0.2 pts
42▼9Wabash County, ILIL10,9072.2%+1.4 pts
43▼8Madison County, ILIL263,1102.2%0.0 pts
44▲5Williamson County, ILIL67,2252.0%+0.5 pts
45▼9Jo Daviess County, ILIL21,5941.9%−1.9 pts
46▼2Jefferson County, ILIL36,1471.9%+0.7 pts
47▲21De Witt County, ILIL15,1181.8%+0.1 pts
48▲2Putnam County, ILIL5,6191.8%−0.2 pts
49▼9Vermilion County, ILIL71,2591.8%−0.4 pts
50▲23Piatt County, ILIL16,7911.7%+0.5 pts
51▲10Henry County, ILIL48,0951.7%−0.3 pts
52▼14Effingham County, ILIL34,5191.6%+0.7 pts
53▼6Tazewell County, ILIL130,0491.6%+0.1 pts
54▼24Brown County, ILIL6,4011.6%−1.1 pts
55▼10Woodford County, ILIL38,1111.5%+0.1 pts
56▲24Marion County, ILIL36,3821.5%+0.4 pts
57▲10Lawrence County, ILIL13,7901.5%0.0 pts
58▼2Logan County, ILIL27,1821.5%+0.3 pts
59▲19Hancock County, ILIL16,8031.5%+0.7 pts
60Richland County, ILIL15,2191.4%0.0 pts
61▲16Massac County, ILIL13,5021.4%+0.7 pts
62▲35Clark County, ILIL15,1141.3%+0.5 pts
63▼5Schuyler County, ILIL6,6571.3%−1.5 pts
64▲7Adams County, ILIL64,2671.2%+0.2 pts
65▼1Monroe County, ILIL34,8401.2%+0.3 pts
66Perry County, ILIL20,1601.2%−0.3 pts
67▲16Franklin County, ILIL36,9161.2%+0.7 pts
68▲7Fulton County, ILIL32,9011.2%−1.4 pts
69▲1Christian County, ILIL33,4431.2%−0.7 pts
70▲9Crawford County, ILIL18,6481.2%−0.6 pts
71▼19Johnson County, ILIL13,3631.2%−1.1 pts
72▲16Jasper County, ILIL9,0321.2%+0.6 pts
73▼22Morgan County, ILIL32,5151.1%0.0 pts
74▼37Mercer County, ILIL15,2291.1%+0.4 pts
75▼16Bond County, ILIL16,9591.1%−0.1 pts
76▼23Marshall County, ILIL11,4731.1%−0.8 pts
77▲5Shelby County, ILIL20,5761.0%+0.1 pts
78▼4Edgar County, ILIL16,3231.0%+0.4 pts
79▲5Jersey County, ILIL21,1601.0%+0.1 pts
80▲22Alexander County, ILIL4,5701.0%−0.9 pts
81Menard County, ILIL11,8630.9%+0.6 pts
82▲8Saline County, ILIL22,7720.9%−0.1 pts
83▲10Mason County, ILIL12,4110.9%−0.6 pts
84▲1Macoupin County, ILIL43,7480.9%−0.1 pts
85▼37Fayette County, ILIL20,7900.9%−0.9 pts
86▼31Pope County, ILIL3,6720.9%−0.7 pts
87▲9Pike County, ILIL14,2310.9%−0.1 pts
88▲7Edwards County, ILIL5,8980.8%+0.2 pts
89▼17Montgomery County, ILIL28,0760.8%−0.6 pts
90▲2Moultrie County, ILIL14,3710.7%−0.6 pts
91▲9Gallatin County, ILIL4,6160.7%+0.3 pts
92▼30Scott County, ILIL4,8660.6%−0.2 pts
93▼24Washington County, ILIL13,5640.6%+0.2 pts
94▼8White County, ILIL13,2500.6%−0.6 pts
95▼30Henderson County, ILIL5,9840.6%−2.2 pts
96▼2Pulaski County, ILIL4,8200.5%−3.5 pts
97▼43Hamilton County, ILIL7,8590.5%+0.4 pts
98▼9Calhoun County, ILIL4,3000.3%−2.2 pts
99▼1Hardin County, ILIL3,5880.3%−0.8 pts
100▼1Clay County, ILIL12,7930.2%−0.6 pts
101Greene County, ILIL11,3130.2%−0.4 pts
102▼15Cumberland County, ILIL10,2080.2%−0.1 pts
SHOWING 1–102 OF 102

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