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RANKING · 2020 CENSUS · 99 SHOWN OF 99

Highest Norwegian population share, Illinois counties · 2020

Illinois counties ranked by the share of all residents who are Norwegian ancestry (2020 American Community Survey). A concentration measure: Norwegian residents as a percentage of total population. This list covers the 99 counties in Illinois that qualify, ranked against each other statewide. The median across all 99 is 0.6%.

Norwegian Americans: full group profile →
SAME RANKING BYCitiesStatesMetros
Highest Norwegian population share by state
RANKPLACESTATEPOPNORWEGIAN SHAREVS 2010
01Grundy County, ILIL54,0525.7%−1.3 pts
02Boone County, ILIL53,5684.6%−0.2 pts
03LaSalle County, ILIL107,7734.4%−1.1 pts
04DeKalb County, ILIL101,8354.1%−0.6 pts
05Ogle County, ILIL51,3993.8%−1.5 pts
06Winnebago County, ILIL283,6743.2%−0.7 pts
07Kendall County, ILIL145,4703.0%−0.7 pts
08McHenry County, ILIL317,7512.4%−0.9 pts
09Jo Daviess County, ILIL21,5942.3%−0.6 pts
10Stephenson County, ILIL43,2202.2%−0.8 pts
11Lee County, ILIL32,9142.0%−0.8 pts
12Kane County, ILIL525,7571.8%−0.5 pts
13Putnam County, ILIL5,6191.7%+0.3 pts
14Livingston County, ILIL35,0571.6%−0.7 pts
15Rock Island County, ILIL141,8691.6%+0.1 pts
16Lake County, ILIL719,3391.6%−0.5 pts
17DuPage County, ILIL934,2981.5%−0.3 pts
18Woodford County, ILIL38,1111.4%+0.7 pts
19Bureau County, ILIL32,5101.4%−0.1 pts
20Piatt County, ILIL16,7911.3%+0.2 pts
21McLean County, ILIL171,4191.3%−0.3 pts
22Whiteside County, ILIL54,1211.2%−0.3 pts
23Henry County, ILIL48,0951.2%−0.4 pts
24Hancock County, ILIL16,8031.2%+0.5 pts
25Warren County, ILIL16,2221.1%+0.3 pts
26Carroll County, ILIL15,4191.1%−0.9 pts
27Ford County, ILIL13,2161.1%−0.6 pts
28Knox County, ILIL47,7671.0%+0.1 pts
29McDonough County, ILIL25,9161.0%−0.3 pts
30Tazewell County, ILIL130,0491.0%−0.1 pts
31Will County, ILIL712,2531.0%−0.4 pts
32Henderson County, ILIL5,9840.9%+0.4 pts
33Champaign County, ILIL209,9720.9%−0.5 pts
34Douglas County, ILIL19,8800.9%−0.1 pts
35Iroquois County, ILIL26,1500.9%−0.2 pts
36Kankakee County, ILIL105,5250.9%−0.3 pts
37De Witt County, ILIL15,1180.8%+0.3 pts
38Schuyler County, ILIL6,6570.8%+0.4 pts
39Stark County, ILIL5,3190.8%−0.8 pts
40Peoria County, ILIL178,5530.8%−0.3 pts
41Sangamon County, ILIL194,1700.8%0.0 pts
42Vermilion County, ILIL71,2590.8%+0.1 pts
43Jackson County, ILIL52,5010.8%−0.2 pts
44Cook County, ILIL5,194,6250.7%−0.1 pts
45Richland County, ILIL15,2190.7%+0.6 pts
46Fulton County, ILIL32,9010.7%+0.2 pts
47Adams County, ILIL64,2670.7%+0.2 pts
48Mercer County, ILIL15,2290.7%−0.5 pts
49Williamson County, ILIL67,2250.7%−0.3 pts
50Morgan County, ILIL32,5150.6%−0.3 pts
51Crawford County, ILIL18,6480.6%+0.5 pts
52Mason County, ILIL12,4110.6%−0.2 pts
53Washington County, ILIL13,5640.6%+0.3 pts
54Wabash County, ILIL10,9070.6%–
55Clinton County, ILIL37,1280.6%+0.2 pts
56Macon County, ILIL99,3000.6%−0.1 pts
57Menard County, ILIL11,8630.6%−0.1 pts
58Edwards County, ILIL5,8980.6%+0.4 pts
59Hamilton County, ILIL7,8590.6%–
60Marshall County, ILIL11,4730.6%−0.4 pts
61Madison County, ILIL263,1100.6%+0.1 pts
62St. Clair County, ILIL250,7080.6%−0.2 pts
63Christian County, ILIL33,4430.5%+0.2 pts
64Union County, ILIL16,6560.5%0.0 pts
65Lawrence County, ILIL13,7900.5%+0.4 pts
66Monroe County, ILIL34,8400.5%+0.2 pts
67Wayne County, ILIL15,8820.5%+0.3 pts
68Pike County, ILIL14,2310.5%+0.2 pts
69Coles County, ILIL46,6070.5%−0.3 pts
70Bond County, ILIL16,9590.5%−0.3 pts
71Pope County, ILIL3,6720.5%+0.2 pts
72Franklin County, ILIL36,9160.4%+0.2 pts
73Logan County, ILIL27,1820.4%−0.3 pts
74Effingham County, ILIL34,5190.4%0.0 pts
75Fayette County, ILIL20,7900.4%+0.2 pts
76Jasper County, ILIL9,0320.4%+0.2 pts
77Cumberland County, ILIL10,2080.4%−0.4 pts
78Jersey County, ILIL21,1600.3%+0.1 pts
79Shelby County, ILIL20,5760.3%+0.1 pts
80Clark County, ILIL15,1140.3%−0.3 pts
81Perry County, ILIL20,1600.3%−0.3 pts
82Jefferson County, ILIL36,1470.3%−0.2 pts
83Johnson County, ILIL13,3630.3%−0.2 pts
84Montgomery County, ILIL28,0760.3%0.0 pts
85Massac County, ILIL13,5020.3%+0.2 pts
86Marion County, ILIL36,3820.2%−0.3 pts
87White County, ILIL13,2500.2%0.0 pts
88Gallatin County, ILIL4,6160.2%+0.1 pts
89Randolph County, ILIL29,9210.2%−0.4 pts
90Scott County, ILIL4,8660.2%−0.1 pts
91Edgar County, ILIL16,3230.2%−0.3 pts
92Macoupin County, ILIL43,7480.2%−0.2 pts
93Hardin County, ILIL3,5880.2%–
94Moultrie County, ILIL14,3710.1%−0.1 pts
95Brown County, ILIL6,4010.1%−1.6 pts
96Greene County, ILIL11,3130.1%−0.1 pts
97Saline County, ILIL22,7720.1%−0.3 pts
98Clay County, ILIL12,7930.1%−0.3 pts
99Cass County, ILIL12,4630.1%−0.1 pts
SHOWING 1–99 OF 99

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS