Delaware has two metropolitan statistical areas, one micropolitan statistical area, one metropolitan division, and one combined statistical area.
| Name | Population | 
|---|---|
| Philadelphia-Camden-Wilmington, PA-NJ-DE-MD Metropolitan Statistical Area | 6,306,526 | 
| Seaford, DE Micropolitan Statistical Area | 270,677 | 
| Dover, DE Metropolitan Statistical Area | 193,875 | 
| Salisbury, MD Metropolitan Statistical Area | 130,126 |