Ranking of Delaware Cities and Places By Population in 2021
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2021, among all Delaware cities and places, Wilmington city had the highest population (70.71K), followed by Dover city (39.69K), and Newark city (29.88K).
The chart below shows the top 10 cities and places, and the table below shows the ranking of all Delaware cities and places.
You can see similar information for other states and the ranking of all cities and places in the United States.
You can also similar information for each Delaware county.
Related Topics: Delaware Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage), 2021 Census.
See this for other years:
Ranking of Delaware Cities and Places By Population in 2021
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| Rank | City or Place | Population |
|---|---|---|
| 1 | Wilmington city | 70712 |
| 2 | Dover city | 39694 |
| 3 | Newark city | 29876 |
| 4 | Middletown town | 24279 |
| 5 | Smyrna town | 13172 |
| 6 | Milford city | 12344 |
| 7 | Seaford city | 8239 |
| 8 | Georgetown town | 7446 |
| 9 | Millsboro town | 7199 |
| 10 | Elsmere town | 6188 |
| 11 | New Castle city | 5520 |
| 12 | Camden town | 4248 |
| 13 | Laurel town | 4036 |
| 14 | Clayton town | 3997 |
| 15 | Harrington city | 3787 |
| 16 | Milton town | 3458 |
| 17 | Lewes city | 3414 |
| 18 | Selbyville town | 3014 |
| 19 | Townsend town | 2801 |
| 20 | Ocean View town | 2764 |
| 21 | Bridgeville town | 2668 |
| 22 | Delmar town | 2098 |
| 23 | Cheswold town | 1965 |
| 24 | Millville town | 1927 |
| 25 | Delaware City city | 1885 |
| 26 | Wyoming town | 1805 |
| 27 | Felton town | 1328 |
| 28 | Bellefonte town | 1226 |
| 29 | Blades town | 1220 |
| 30 | Rehoboth Beach city | 1155 |
| 31 | Frederica town | 1094 |
| 32 | Greenwood town | 1031 |
| 33 | Bethany Beach town | 993 |
| 34 | Dagsboro town | 906 |
| 35 | Newport town | 901 |
| 36 | Frankford town | 831 |
| 37 | Ellendale town | 511 |
| 38 | South Bethany town | 477 |
| 39 | Arden village | 430 |
| 40 | Houston town | 390 |
| 41 | Dewey Beach town | 371 |
| 42 | Odessa town | 362 |
| 43 | Fenwick Island town | 357 |
| 44 | Magnolia town | 280 |
| 45 | Bowers town | 274 |
| 46 | Ardentown village | 253 |
| 47 | Bethel town | 247 |
| 48 | Ardencroft village | 230 |
| 49 | Slaughter Beach town | 227 |
| 50 | Kenton town | 215 |
| 51 | Little Creek town | 195 |
| 52 | Woodside town | 189 |
| 53 | Leipsic town | 181 |
| 54 | Henlopen Acres town | 145 |
| 55 | Viola town | 140 |
| 56 | Farmington town | 93 |
| 57 | Hartly town | 73 |