Wilmington is the #1 ranked city in Delaware with 71,124 (population). This ranking includes 54 Delaware cities with available data.
| # | City | Population | Population |
|---|---|---|---|
| 1 | Wilmington | 71,124 | 71,124 |
| 2 | Dover | 39,491 | 39,491 |
| 3 | Newark | 30,309 | 30,309 |
| 4 | Middletown | 24,071 | 24,071 |
| 5 | Bear | 22,604 | 22,604 |
| 6 | Glasgow | 16,095 | 16,095 |
| 7 | Brookside | 15,262 | 15,262 |
| 8 | Hockessin | 13,608 | 13,608 |
| 9 | Smyrna | 13,031 | 13,031 |
| 10 | Milford | 12,193 | 12,193 |
| 11 | Pike Creek Valley | 11,992 | 11,992 |
| 12 | Claymont | 9,543 | 9,543 |
| 13 | Seaford | 8,255 | 8,255 |
| 14 | North Star | 8,178 | 8,178 |
| 15 | Wilmington Manor | 8,030 | 8,030 |
| 16 | Georgetown | 7,456 | 7,456 |
| 17 | Pike Creek | 7,185 | 7,185 |
| 18 | Millsboro | 7,152 | 7,152 |
| 19 | Edgemoor | 6,671 | 6,671 |
| 20 | Elsmere | 6,189 | 6,189 |
| 21 | New Castle | 5,519 | 5,519 |
| 22 | Rising Sun-Lebanon | 4,195 | 4,195 |
| 23 | Clayton | 4,086 | 4,086 |
| 24 | Laurel | 4,043 | 4,043 |
| 25 | Camden | 4,011 | 4,011 |
| 26 | Harrington | 3,805 | 3,805 |
| 27 | Highland Acres | 3,661 | 3,661 |
| 28 | Milton | 3,469 | 3,469 |
| 29 | Lewes | 3,415 | 3,415 |
| 30 | Greenville | 3,100 | 3,100 |
| 31 | Dover Base Housing | 3,026 | 3,026 |
| 32 | Selbyville | 3,005 | 3,005 |
| 33 | Townsend | 2,792 | 2,792 |
| 34 | Ocean View | 2,760 | 2,760 |
| 35 | Bridgeville | 2,661 | 2,661 |
| 36 | Kent Acres | 2,540 | 2,540 |
| 37 | Riverview | 2,412 | 2,412 |
| 38 | Delmar | 2,386 | 2,386 |
| 39 | Long Neck | 2,372 | 2,372 |
| 40 | Millville | 2,059 | 2,059 |
| 41 | Delaware City | 1,976 | 1,976 |
| 42 | Cheswold | 1,833 | 1,833 |
| 43 | Greenwood | 1,800 | 1,800 |
| 44 | Wyoming | 1,789 | 1,789 |
| 45 | Woodside East | 1,680 | 1,680 |
| 46 | Lincoln | 1,639 | 1,639 |
| 47 | St. Georges | 1,564 | 1,564 |
| 48 | Bellefonte | 1,507 | 1,507 |
| 49 | Rehoboth Beach | 1,388 | 1,388 |
| 50 | Dagsboro | 1,350 | 1,350 |
| 51 | Rodney Village | 1,318 | 1,318 |
| 52 | Newport | 1,209 | 1,209 |
| 53 | Felton | 1,129 | 1,129 |
| 54 | Blades | 1,055 | 1,055 |
Cities in Delaware are ranked by population. Only cities with populations above 1,000 are included. Data sourced from U.S. Census Bureau ACS. Last updated 2026.