Businesses by county and category in Illinois
The US Index tracks 9 categories across 91 counties of Illinois, using the Census Bureau's County Business Patterns (2023). Counts are establishments with paid employees. See the counties with the most establishments in each category.
Restaurants and bars in Illinois: 26,251 establishments
- Cook County11,184
- DuPage County2,035
- Lake County1,374
- Will County1,218
- Kane County963
- McHenry County604
- Winnebago County583
- Madison County574
- Champaign County501
- Sangamon County499
Hotels, motels and lodging in Illinois: 1,511 establishments
Medical and dental offices in Illinois: 13,220 establishments
- Cook County6,134
- DuPage County1,693
- Lake County948
- Will County745
- Kane County503
- McHenry County279
- Winnebago County230
- Madison County217
- St. Clair County210
- Peoria County195
Other health practitioner offices in Illinois: 9,164 establishments
Hair, nail and barber shops in Illinois: 4,584 establishments
Gyms and fitness centers in Illinois: 1,566 establishments
Pharmacies and drug stores in Illinois: 1,325 establishments
Auto repair shops in Illinois: 7,438 establishments
Supermarkets and grocery stores in Illinois: 2,607 establishments
All counties of Illinois in the Index
- Cook County29,306 establishments in 9 categories
- DuPage County6,497 establishments in 9 categories
- Lake County4,135 establishments in 9 categories
- Will County3,731 establishments in 9 categories
- Kane County2,584 establishments in 9 categories
- McHenry County1,658 establishments in 9 categories
- Madison County1,365 establishments in 9 categories
- Winnebago County1,364 establishments in 9 categories
- St. Clair County1,155 establishments in 9 categories
- Sangamon County1,058 establishments in 9 categories
- Champaign County976 establishments in 9 categories
- Peoria County937 establishments in 9 categories
- McLean County802 establishments in 9 categories
- Rock Island County730 establishments in 8 categories
- Tazewell County601 establishments in 9 categories
- LaSalle County577 establishments in 8 categories
- Kankakee County538 establishments in 9 categories
- Kendall County523 establishments in 7 categories
- Macon County474 establishments in 9 categories
- DeKalb County421 establishments in 8 categories
- Adams County327 establishments in 7 categories
- Williamson County311 establishments in 7 categories
- Grundy County291 establishments in 6 categories
- Jackson County268 establishments in 7 categories
- Effingham County264 establishments in 5 categories
- Vermilion County264 establishments in 7 categories
- Coles County218 establishments in 5 categories
- Whiteside County216 establishments in 5 categories
- Ogle County195 establishments in 5 categories
- Knox County193 establishments in 6 categories
- Monroe County186 establishments in 5 categories
- Henry County177 establishments in 4 categories
- Clinton County164 establishments in 5 categories
- Jefferson County163 establishments in 5 categories
- Stephenson County158 establishments in 4 categories
- Marion County155 establishments in 4 categories
- Macoupin County150 establishments in 4 categories
- Boone County143 establishments in 4 categories
- Franklin County131 establishments in 4 categories
- Bureau County127 establishments in 4 categories
- Lee County126 establishments in 4 categories
- Randolph County126 establishments in 4 categories
- Morgan County125 establishments in 4 categories
- Jo Daviess County123 establishments in 4 categories
- Livingston County119 establishments in 4 categories
- Fulton County115 establishments in 4 categories
- Montgomery County109 establishments in 4 categories
- Christian County106 establishments in 3 categories
- McDonough County97 establishments in 3 categories
- Iroquois County90 establishments in 3 categories
- Woodford County81 establishments in 3 categories
- Saline County76 establishments in 4 categories
- Douglas County71 establishments in 3 categories
- Jersey County71 establishments in 3 categories
- Logan County71 establishments in 2 categories
- Fayette County63 establishments in 3 categories
- Perry County63 establishments in 3 categories
- Richland County63 establishments in 3 categories
- Ford County62 establishments in 3 categories
- Shelby County61 establishments in 3 categories
- Bond County59 establishments in 4 categories
- Clark County47 establishments in 2 categories
- Carroll County46 establishments in 2 categories
- Union County46 establishments in 2 categories
- Warren County46 establishments in 2 categories
- Clay County44 establishments in 3 categories
- Pike County39 establishments in 2 categories
- Washington County39 establishments in 2 categories
- Crawford County37 establishments in 1 category
- Cass County35 establishments in 2 categories
- Massac County31 establishments in 2 categories
- Mercer County31 establishments in 2 categories
- White County31 establishments in 2 categories
- Edgar County30 establishments in 1 category
- Hancock County30 establishments in 1 category
- Marshall County29 establishments in 1 category
- Mason County29 establishments in 1 category
- De Witt County27 establishments in 1 category
- Wayne County27 establishments in 1 category
- Lawrence County26 establishments in 1 category
- Moultrie County22 establishments in 1 category
- Piatt County22 establishments in 1 category
- Greene County21 establishments in 1 category
- Jasper County18 establishments in 1 category
- Menard County18 establishments in 1 category
- Calhoun County17 establishments in 1 category
- Cumberland County14 establishments in 1 category
- Johnson County13 establishments in 1 category
- Wabash County13 establishments in 1 category
- Schuyler County12 establishments in 1 category
- Scott County10 establishments in 1 category