Counties sending the most people to Orange County, CA

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

#20. Fresno County, California
- Migration from Fresno County, California to Orange County, California: 581
- Migration to Fresno County, California in 2015-2019: 361
- Net migration: 220 to Orange County, California

#19. Honolulu County, Hawaii
- Migration from Honolulu County, Hawaii to Orange County, California: 612
- Migration to Honolulu County, Hawaii in 2015-2019: 1,297
- Net migration: 685 to Honolulu County, Hawaii

#18. Napa County, California
- Migration from Napa County, California to Orange County, California: 667
- Migration to Napa County, California in 2015-2019: 119
- Net migration: 548 to Orange County, California

#17. Contra Costa County, California
- Migration from Contra Costa County, California to Orange County, California: 686
- Migration to Contra Costa County, California in 2015-2019: 744
- Net migration: 58 to Contra Costa County, California

#16. Santa Barbara County, California
- Migration from Santa Barbara County, California to Orange County, California: 799
- Migration to Santa Barbara County, California in 2015-2019: 988
- Net migration: 189 to Santa Barbara County, California

#15. New York County, New York
- Migration from New York County, New York to Orange County, California: 817
- Migration to New York County, New York in 2015-2019: 611
- Net migration: 206 to Orange County, California

#14. Sacramento County, California
- Migration from Sacramento County, California to Orange County, California: 826
- Migration to Sacramento County, California in 2015-2019: 1,545
- Net migration: 719 to Sacramento County, California

#13. Kern County, California
- Migration from Kern County, California to Orange County, California: 911
- Migration to Kern County, California in 2015-2019: 1,187
- Net migration: 276 to Kern County, California

#12. Alameda County, California
- Migration from Alameda County, California to Orange County, California: 953
- Migration to Alameda County, California in 2015-2019: 1,969
- Net migration: 1,016 to Alameda County, California

#11. Ventura County, California
- Migration from Ventura County, California to Orange County, California: 1,016
- Migration to Ventura County, California in 2015-2019: 690
- Net migration: 326 to Orange County, California

#10. San Francisco County, California
- Migration from San Francisco County, California to Orange County, California: 1,089
- Migration to San Francisco County, California in 2015-2019: 854
- Net migration: 235 to Orange County, California

#9. Cook County, Illinois
- Migration from Cook County, Illinois to Orange County, California: 1,390
- Migration to Cook County, Illinois in 2015-2019: 520
- Net migration: 870 to Orange County, California

#8. King County, Washington
- Migration from King County, Washington to Orange County, California: 1,467
- Migration to King County, Washington in 2015-2019: 1,201
- Net migration: 266 to Orange County, California

#7. Clark County, Nevada
- Migration from Clark County, Nevada to Orange County, California: 1,476
- Migration to Clark County, Nevada in 2015-2019: 2,374
- Net migration: 898 to Clark County, Nevada

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

#5. Santa Clara County, California
- Migration from Santa Clara County, California to Orange County, California: 2,565
- Migration to Santa Clara County, California in 2015-2019: 1,472
- Net migration: 1,093 to Orange County, California

#4. San Bernardino County, California
- Migration from San Bernardino County, California to Orange County, California: 4,633
- Migration to San Bernardino County, California in 2015-2019: 7,106
- Net migration: 2,473 to San Bernardino County, California

#3. San Diego County, California
- Migration from San Diego County, California to Orange County, California: 6,409
- Migration to San Diego County, California in 2015-2019: 7,328
- Net migration: 919 to San Diego County, California

#2. Riverside County, California
- Migration from Riverside County, California to Orange County, California: 8,972
- Migration to Riverside County, California in 2015-2019: 17,254
- Net migration: 8,282 to Riverside County, California

#1. Los Angeles County, California
- Migration from Los Angeles County, California to Orange County, California: 37,436
- Migration to Los Angeles County, California in 2015-2019: 25,557
- Net migration: 11,879 to Orange County, California