Counties sending the most people to Maricopa County, AZ

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

#20. Cochise County, Arizona
- Migration from Cochise County, Arizona to Maricopa County, Arizona: 1,329
- Migration to Cochise County, Arizona in 2015-2019: 1,979
- Net migration: 650 to Cochise County, Arizona

#19. Bernalillo County, New Mexico
- Migration from Bernalillo County, New Mexico to Maricopa County, Arizona: 1,412
- Migration to Bernalillo County, New Mexico in 2015-2019: 551
- Net migration: 861 to Maricopa County, Arizona

#18. Washington County, Oregon
- Migration from Washington County, Oregon to Maricopa County, Arizona: 1,412
- Migration to Washington County, Oregon in 2015-2019: 889
- Net migration: 523 to Maricopa County, Arizona

#17. Santa Clara County, California
- Migration from Santa Clara County, California to Maricopa County, Arizona: 1,503
- Migration to Santa Clara County, California in 2015-2019: 1,048
- Net migration: 455 to Maricopa County, Arizona

#16. Mohave County, Arizona
- Migration from Mohave County, Arizona to Maricopa County, Arizona: 1,533
- Migration to Mohave County, Arizona in 2015-2019: 1,932
- Net migration: 399 to Mohave County, Arizona

#15. Apache County, Arizona
- Migration from Apache County, Arizona to Maricopa County, Arizona: 1,552
- Migration to Apache County, Arizona in 2015-2019: 427
- Net migration: 1,125 to Maricopa County, Arizona

#14. Yuma County, Arizona
- Migration from Yuma County, Arizona to Maricopa County, Arizona: 1,837
- Migration to Yuma County, Arizona in 2015-2019: 1,183
- Net migration: 654 to Maricopa County, Arizona

#13. Salt Lake County, Utah
- Migration from Salt Lake County, Utah to Maricopa County, Arizona: 1,928
- Migration to Salt Lake County, Utah in 2015-2019: 1,034
- Net migration: 894 to Maricopa County, Arizona

#12. Riverside County, California
- Migration from Riverside County, California to Maricopa County, Arizona: 2,156
- Migration to Riverside County, California in 2015-2019: 1,684
- Net migration: 472 to Maricopa County, Arizona

#11. San Bernardino County, California
- Migration from San Bernardino County, California to Maricopa County, Arizona: 2,455
- Migration to San Bernardino County, California in 2015-2019: 1,321
- Net migration: 1,134 to Maricopa County, Arizona

#10. Clark County, Nevada
- Migration from Clark County, Nevada to Maricopa County, Arizona: 2,727
- Migration to Clark County, Nevada in 2015-2019: 2,893
- Net migration: 166 to Clark County, Nevada

#9. Yavapai County, Arizona
- Migration from Yavapai County, Arizona to Maricopa County, Arizona: 2,952
- Migration to Yavapai County, Arizona in 2015-2019: 3,929
- Net migration: 977 to Yavapai County, Arizona

#8. King County, Washington
- Migration from King County, Washington to Maricopa County, Arizona: 3,291
- Migration to King County, Washington in 2015-2019: 3,171
- Net migration: 120 to Maricopa County, Arizona

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

#6. Coconino County, Arizona
- Migration from Coconino County, Arizona to Maricopa County, Arizona: 4,619
- Migration to Coconino County, Arizona in 2015-2019: 6,168
- Net migration: 1,549 to Coconino County, Arizona

#5. San Diego County, California
- Migration from San Diego County, California to Maricopa County, Arizona: 4,968
- Migration to San Diego County, California in 2015-2019: 2,331
- Net migration: 2,637 to Maricopa County, Arizona

#4. Orange County, California
- Migration from Orange County, California to Maricopa County, Arizona: 5,210
- Migration to Orange County, California in 2015-2019: 1,663
- Net migration: 3,547 to Maricopa County, Arizona

#3. Pima County, Arizona
- Migration from Pima County, Arizona to Maricopa County, Arizona: 7,057
- Migration to Pima County, Arizona in 2015-2019: 9,161
- Net migration: 2,104 to Pima County, Arizona

#2. Los Angeles County, California
- Migration from Los Angeles County, California to Maricopa County, Arizona: 7,243
- Migration to Los Angeles County, California in 2015-2019: 3,048
- Net migration: 4,195 to Maricopa County, Arizona

#1. Pinal County, Arizona
- Migration from Pinal County, Arizona to Maricopa County, Arizona: 11,367
- Migration to Pinal County, Arizona in 2015-2019: 17,163
- Net migration: 5,796 to Pinal County, Arizona