All counties in the State of Delaware.
| Name | Status | Population census 2000-04-01 | Population census 2010-04-01 | Population estimate 2011-07-01 | |
|---|---|---|---|---|---|
| Kent | County | 126,771 | 162,310 | 165,319 | o |
| New Castle | County | 500,294 | 538,479 | 542,444 | o |
| Sussex | County | 156,494 | 197,145 | 200,374 | o |
| Delaware | Federal State | 783,559 | 897,934 | 908,137 |
All incorporated places in the State of Delaware.
| Name | Status | County | Population census 2000-04-01 | Population census 2010-04-01 | Population estimate 2011-07-01 | |
|---|---|---|---|---|---|---|
| Arden | Village | New Castle | 475 | 439 | 442 | o |
| Ardencroft | Village | New Castle | 267 | 231 | 232 | o |
| Ardentown | Village | New Castle | 300 | 264 | 266 | o |
| Bellefonte | Town | New Castle | 1,249 | 1,193 | 1,200 | o |
| Bethany Beach | Town | Sussex | 903 | 1,060 | 1,077 | o |
| Bethel | Town | Sussex | 184 | 171 | 174 | o |
| Blades | Town | Sussex | 1,097 | 1,241 | 1,261 | o |
| Bowers | Town | Kent | 305 | 335 | 341 | o |
| Bridgeville | Town | Sussex | 1,543 | 2,048 | 2,081 | o |
| Camden | Town | Kent | 2,091 | 3,464 | 3,519 | o |
| Cheswold | Town | Kent | 453 | 1,380 | 1,401 | o |
| Clayton | Town | 1,307 | 2,918 | 2,966 | o | |
| Dagsboro | Town | Sussex | 519 | 800 | 813 | o |
| Delaware City | City | New Castle | 1,456 | 1,695 | 1,706 | o |
| Delmar | Town | Sussex | 1,439 | 1,604 | 1,630 | o |
| Dewey Beach | Town | Sussex | 299 | 341 | 347 | o |
| Dover | City | Kent | 32,201 | 36,043 | 36,560 | o |
| Ellendale | Town | Sussex | 335 | 381 | 386 | o |
| Elsmere | Town | New Castle | 5,800 | 6,131 | 6,172 | o |
| Farmington | Town | Kent | 75 | 110 | 113 | o |
| Felton | Town | Kent | 807 | 1,298 | 1,320 | o |
| Fenwick Island | Town | Sussex | 342 | 378 | 384 | o |
| Frankford | Town | Sussex | 714 | 847 | 862 | o |
| Frederica | Town | Kent | 667 | 774 | 785 | o |
| Georgetown | Town | Sussex | 4,779 | 6,422 | 6,524 | o |
| Greenwood | Town | Sussex | 842 | 973 | 990 | o |
| Harrington | City | Kent | 3,191 | 3,562 | 3,619 | o |
| Hartly | Town | Kent | 78 | 74 | 76 | o |
| Henlopen Acres | Town | Sussex | 133 | 122 | 124 | o |
| Houston | Town | Kent | 430 | 374 | 379 | o |
| Kenton | Town | Kent | 237 | 261 | 264 | o |
| Laurel | Town | Sussex | 3,739 | 3,708 | 3,769 | o |
| Leipsic | Town | Kent | 203 | 183 | 185 | o |
| Lewes | City | Sussex | 2,918 | 2,747 | 2,789 | o |
| Little Creek | Town | Kent | 195 | 224 | 227 | o |
| Magnolia | Town | Kent | 226 | 225 | 228 | o |
| Middletown | Town | New Castle | 6,262 | 18,871 | 18,995 | o |
| Milford | City | 7,001 | 9,559 | 9,709 | o | |
| Millsboro | Town | Sussex | 2,491 | 3,880 | 3,942 | o |
| Millville | Town | Sussex | 254 | 544 | 553 | o |
| Milton | Town | Sussex | 1,716 | 2,578 | 2,621 | o |
| New Castle | City | New Castle | 4,978 | 5,285 | 5,320 | o |
| Newark | City | New Castle | 29,174 | 31,454 | 31,618 | o |
| Newport | Town | New Castle | 1,143 | 1,055 | 1,062 | o |
| Ocean View | Town | Sussex | 1,041 | 1,882 | 1,912 | o |
| Odessa | Town | New Castle | 286 | 364 | 367 | o |
| Rehoboth Beach | City | Sussex | 1,497 | 1,327 | 1,349 | o |
| Seaford | City | Sussex | 6,774 | 6,928 | 7,036 | o |
| Selbyville | Town | Sussex | 1,718 | 2,157 | 2,192 | o |
| Slaughter Beach | Town | Sussex | 197 | 207 | 210 | o |
| Smyrna | Town | 5,843 | 10,023 | 10,180 | o | |
| South Bethany | Town | Sussex | 492 | 449 | 456 | o |
| Townsend | Town | New Castle | 340 | 2,049 | 2,064 | o |
| Viola | Town | Kent | 156 | 157 | 160 | o |
| Wilmington | City | New Castle | 72,644 | 70,852 | 71,305 | o |
| Woodside | Town | Kent | 184 | 181 | 184 | o |
| Wyoming | Town | Kent | 1,174 | 1,313 | 1,334 | o |
Source: US Census Bureau (web).
2012-07-02WWW.CITYPOPULATION.DE