| County | Avg. Annual Net Mig |
|---|---|
| Cook County, Illinois | 4,469 |
| Kings County, New York | 2,324 |
| Anchorage Municipality, Alaska | 1,298 |
| Mobile County, Alabama | 1,280 |
| Allegheny County, Pennsylvania | 1,077 |
| Fairfield County, Connecticut | 1,035 |
| Wayne County, Michigan | 973 |
| Queens County, New York | 947 |
| Fulton County, Georgia | 945 |
| Suffolk County, Massachusetts | 932 |
