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RANKING · 2024 ACS · 102 SHOWN OF 102

Highest Polish population share, Illinois counties

Illinois counties ranked by the share of all residents who are Polish ancestry (2024 American Community Survey). A concentration measure: Polish residents as a percentage of total population. This list covers the 102 counties in Illinois that qualify, ranked against each other statewide. The median across all 102 is 1.9%. Biggest climber in the top 100 since 2020: Hamilton County, IL, up 46 places to #28.

Polish Americans: full group profile →
SAME RANKING BYCitiesStatesMetros
Highest Polish population share by state
All USAlaskaAlabamaArkansasArizonaCaliforniaColoradoFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWashingtonWisconsinWest VirginiaWyoming
RANKPLACESTATEPOPPOLISH SHAREVS 2010
01McHenry County, ILIL317,75110.8%−3.4 pts
02▲1Washington County, ILIL13,56410.8%−3.2 pts
03▼1Will County, ILIL712,25310.4%−2.9 pts
04▲2Grundy County, ILIL54,0529.9%+0.6 pts
05▼1DuPage County, ILIL934,2989.7%−2.5 pts
06▲1Lake County, ILIL719,3397.4%−2.0 pts
07▲2Cook County, ILIL5,194,6257.0%−2.5 pts
08▲3Kane County, ILIL525,7577.0%−1.0 pts
09▲3Boone County, ILIL53,5686.5%+1.5 pts
10▼2Kendall County, ILIL145,4706.5%−3.0 pts
11▼1LaSalle County, ILIL107,7736.2%−1.6 pts
12▼7Putnam County, ILIL5,6196.1%−4.8 pts
13DeKalb County, ILIL101,8355.7%−1.3 pts
14Kankakee County, ILIL105,5255.6%−0.1 pts
15▲1Bureau County, ILIL32,5105.5%−0.2 pts
16▼1Perry County, ILIL20,1604.5%−1.8 pts
17Jo Daviess County, ILIL21,5944.1%+0.8 pts
18▲12Lee County, ILIL32,9144.1%+0.8 pts
19Marshall County, ILIL11,4734.0%−2.0 pts
20▼2Ogle County, ILIL51,3993.9%+0.1 pts
21▼1Winnebago County, ILIL283,6743.8%0.0 pts
22▲1Monroe County, ILIL34,8403.4%+0.1 pts
23▼2McLean County, ILIL171,4193.3%−0.3 pts
24▲3Livingston County, ILIL35,0573.0%−0.3 pts
25▲1Woodford County, ILIL38,1113.0%+0.1 pts
26▲9Jefferson County, ILIL36,1472.8%0.0 pts
27▲1Champaign County, ILIL209,9722.8%−0.7 pts
28▲46Hamilton County, ILIL7,8592.8%+1.4 pts
29▼7De Witt County, ILIL15,1182.7%+1.5 pts
30▼6Franklin County, ILIL36,9162.6%−0.6 pts
31▲2Menard County, ILIL11,8632.6%+1.1 pts
32▼7Henry County, ILIL48,0952.6%0.0 pts
33▲39Mason County, ILIL12,4112.6%+0.8 pts
34St. Clair County, ILIL250,7082.6%+0.1 pts
35▲10Johnson County, ILIL13,3632.5%+0.3 pts
36▲2Madison County, ILIL263,1102.4%−0.7 pts
37McDonough County, ILIL25,9162.4%−1.7 pts
38▼7Carroll County, ILIL15,4192.4%−0.6 pts
39▲11Clay County, ILIL12,7932.4%+1.8 pts
40▼8Marion County, ILIL36,3822.3%−0.2 pts
41▼1Whiteside County, ILIL54,1212.3%−0.4 pts
42▲1Stephenson County, ILIL43,2202.2%+0.1 pts
43▼2Williamson County, ILIL67,2252.1%0.0 pts
44▲5Sangamon County, ILIL194,1702.0%−0.2 pts
45▲43Clark County, ILIL15,1142.0%−0.1 pts
46▲8Tazewell County, ILIL130,0492.0%0.0 pts
47▼18Logan County, ILIL27,1822.0%+0.4 pts
48▲18Ford County, ILIL13,2162.0%−0.1 pts
49▼7Jackson County, ILIL52,5011.9%−0.3 pts
50▲3Peoria County, ILIL178,5531.9%−0.3 pts
51▼15Iroquois County, ILIL26,1501.9%−1.4 pts
52▲7Union County, ILIL16,6561.8%+0.8 pts
53▼9Clinton County, ILIL37,1281.8%−0.2 pts
54▲36Wabash County, ILIL10,9071.7%+0.4 pts
55Macon County, ILIL99,3001.7%−0.5 pts
56▼4Rock Island County, ILIL141,8691.6%−0.6 pts
57▲38Fayette County, ILIL20,7901.5%+0.5 pts
58▼19Piatt County, ILIL16,7911.5%+0.2 pts
59▼13Massac County, ILIL13,5021.5%+0.8 pts
60▼12Shelby County, ILIL20,5761.4%+0.7 pts
61▲24Warren County, ILIL16,2221.4%−1.7 pts
62▲8Randolph County, ILIL29,9211.4%−0.7 pts
63▲15Crawford County, ILIL18,6481.3%−0.6 pts
64▲9Christian County, ILIL33,4431.3%−0.9 pts
65▲35Brown County, ILIL6,4011.3%+0.8 pts
66▲13Jersey County, ILIL21,1601.3%−0.6 pts
67▼20White County, ILIL13,2501.2%−1.0 pts
68▲23Pope County, ILIL3,6721.2%+0.2 pts
69▲14Edwards County, ILIL5,8981.2%−0.7 pts
70▼7Gallatin County, ILIL4,6161.2%−0.7 pts
71▲5Stark County, ILIL5,3191.1%−0.5 pts
72▼4Effingham County, ILIL34,5191.1%0.0 pts
73▼8Richland County, ILIL15,2191.1%−0.2 pts
74▼16Vermilion County, ILIL71,2591.1%−1.2 pts
75▼15Montgomery County, ILIL28,0761.1%−0.5 pts
76▲16Adams County, ILIL64,2671.1%−0.4 pts
77▼13Hardin County, ILIL3,5881.1%+0.6 pts
78▼1Morgan County, ILIL32,5151.0%−0.8 pts
79▼10Coles County, ILIL46,6071.0%−2.4 pts
80▼24Fulton County, ILIL32,9011.0%−1.1 pts
81▲1Jasper County, ILIL9,0320.9%0.0 pts
82▼31Macoupin County, ILIL43,7480.9%−2.2 pts
83▲3Moultrie County, ILIL14,3710.8%−0.1 pts
84▲5Mercer County, ILIL15,2290.8%−1.8 pts
85▼23Saline County, ILIL22,7720.8%−0.8 pts
86▼2Scott County, ILIL4,8660.7%−0.1 pts
87▼26Bond County, ILIL16,9590.7%−0.7 pts
88▲11Schuyler County, ILIL6,6570.7%+0.1 pts
89▼22Knox County, ILIL47,7670.7%−0.6 pts
90▲8Greene County, ILIL11,3130.7%−0.3 pts
91▼34Douglas County, ILIL19,8800.6%−0.1 pts
92▲4Wayne County, ILIL15,8820.6%−0.3 pts
93▼6Henderson County, ILIL5,9840.5%−0.3 pts
94Calhoun County, ILIL4,3000.5%−0.5 pts
95▼15Cumberland County, ILIL10,2080.5%−0.1 pts
96▼15Cass County, ILIL12,4630.4%−1.1 pts
97▼26Pike County, ILIL14,2310.4%−0.5 pts
98▼23Edgar County, ILIL16,3230.3%−0.6 pts
99▼2Hancock County, ILIL16,8030.3%−1.3 pts
100▼7Lawrence County, ILIL13,7900.2%−0.4 pts
101Pulaski County, ILIL4,8200.2%+0.1 pts
102Alexander County, ILIL4,5700.2%−0.4 pts
SHOWING 1–102 OF 102

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