Counties sending the most people to Cook County, IL

Stacker compiled a list of counties sending the most people to Cook County, Illinois using data from the U.S. Census Bureau. Counties and county equivalents are ranked by the estimated number of people who moved to Cook County, IL from the county between 2015 and 2019. Ties were broken by gross migration.

#20. St. Louis County, Missouri
- Migration from St. Louis County, Missouri to Cook County, Illinois: 855
- Migration to St. Louis County, Missouri in 2015-2019: 798
- Net migration: 57 to Cook County, Illinois

#19. McLean County, Illinois
- Migration from McLean County, Illinois to Cook County, Illinois: 895
- Migration to McLean County, Illinois in 2015-2019: 1,819
- Net migration: 924 to McLean County, Illinois

#18. Washtenaw County, Michigan
- Migration from Washtenaw County, Michigan to Cook County, Illinois: 904
- Migration to Washtenaw County, Michigan in 2015-2019: 1,030
- Net migration: 126 to Washtenaw County, Michigan

#17. Kings County, New York
- Migration from Kings County, New York to Cook County, Illinois: 955
- Migration to Kings County, New York in 2015-2019: 1,056
- Net migration: 101 to Kings County, New York

#16. King County, Washington
- Migration from King County, Washington to Cook County, Illinois: 973
- Migration to King County, Washington in 2015-2019: 2,053
- Net migration: 1,080 to King County, Washington

#15. Oakland County, Michigan
- Migration from Oakland County, Michigan to Cook County, Illinois: 1,009
- Migration to Oakland County, Michigan in 2015-2019: 775
- Net migration: 234 to Cook County, Illinois

#14. Dane County, Wisconsin
- Migration from Dane County, Wisconsin to Cook County, Illinois: 1,071
- Migration to Dane County, Wisconsin in 2015-2019: 1,685
- Net migration: 614 to Dane County, Wisconsin

#13. Hennepin County, Minnesota
- Migration from Hennepin County, Minnesota to Cook County, Illinois: 1,175
- Migration to Hennepin County, Minnesota in 2015-2019: 1,767
- Net migration: 592 to Hennepin County, Minnesota

#12. Marion County, Indiana
- Migration from Marion County, Indiana to Cook County, Illinois: 1,289
- Migration to Marion County, Indiana in 2015-2019: 1,139
- Net migration: 150 to Cook County, Illinois

#11. Milwaukee County, Wisconsin
- Migration from Milwaukee County, Wisconsin to Cook County, Illinois: 1,386
- Migration to Milwaukee County, Wisconsin in 2015-2019: 2,478
- Net migration: 1,092 to Milwaukee County, Wisconsin

#10. Maricopa County, Arizona
- Migration from Maricopa County, Arizona to Cook County, Illinois: 1,426
- Migration to Maricopa County, Arizona in 2015-2019: 3,905
- Net migration: 2,479 to Maricopa County, Arizona

#9. New York County, New York
- Migration from New York County, New York to Cook County, Illinois: 1,464
- Migration to New York County, New York in 2015-2019: 1,532
- Net migration: 68 to New York County, New York

#8. McHenry County, Illinois
- Migration from McHenry County, Illinois to Cook County, Illinois: 2,245
- Migration to McHenry County, Illinois in 2015-2019: 3,358
- Net migration: 1,113 to McHenry County, Illinois

#7. Los Angeles County, California
- Migration from Los Angeles County, California to Cook County, Illinois: 2,505
- Migration to Los Angeles County, California in 2015-2019: 4,061
- Net migration: 1,556 to Los Angeles County, California

#6. Champaign County, Illinois
- Migration from Champaign County, Illinois to Cook County, Illinois: 2,527
- Migration to Champaign County, Illinois in 2015-2019: 5,285
- Net migration: 2,758 to Champaign County, Illinois

#5. Lake County, Indiana
- Migration from Lake County, Indiana to Cook County, Illinois: 3,042
- Migration to Lake County, Indiana in 2015-2019: 9,192
- Net migration: 6,150 to Lake County, Indiana

#4. Kane County, Illinois
- Migration from Kane County, Illinois to Cook County, Illinois: 4,920
- Migration to Kane County, Illinois in 2015-2019: 7,663
- Net migration: 2,743 to Kane County, Illinois

#3. Lake County, Illinois
- Migration from Lake County, Illinois to Cook County, Illinois: 7,139
- Migration to Lake County, Illinois in 2015-2019: 10,971
- Net migration: 3,832 to Lake County, Illinois

#2. Will County, Illinois
- Migration from Will County, Illinois to Cook County, Illinois: 7,192
- Migration to Will County, Illinois in 2015-2019: 12,511
- Net migration: 5,319 to Will County, Illinois

#1. DuPage County, Illinois
- Migration from DuPage County, Illinois to Cook County, Illinois: 13,727
- Migration to DuPage County, Illinois in 2015-2019: 19,259
- Net migration: 5,532 to DuPage County, Illinois