| # | City | Population change 2020-2024 |
|---|---|---|
| 1 | Newark | -0.4% |
| 2 | Elsmere | 0.0% |
| 3 | Dover | +1.8% |
| 4 | New Castle | +2.9% |
| 5 | Wilmington | +3.2% |
| 6 | Smyrna | +3.4% |
| 7 | Harrington | +4.2% |
| 8 | Middletown | +10.7% |
| 9 | Lewes | +12.1% |
| 10 | Seaford | +12.8% |
| 11 | Camden | +13.1% |
| 12 | Georgetown | +13.3% |
| 13 | Rehoboth Beach | +13.4% |
| 14 | Laurel | +13.5% |
| 15 | Milford | +25.9% |
Top Delaware Counties
Counties ranked by the largest percent population decline from April 2020 to July 2024.
Source: U.S. Census Bureau, 2010 Census and Population Estimates Program (Vintage 2024: April 2020 estimates base and July 1, 2024 estimate). Only cities covered by GIS Map with at least 1,000 residents are ranked. Estimates carry margins of error.
Citing this page: GIS Map, “Fastest-Shrinking Cities in Delaware”, https://gismap.land/rankings/delaware/fastest-shrinking-cities. Figures from U.S. Census Bureau, 2010 Census and Population Estimates Program (Vintage 2024: April 2020 estimates base and July 1, 2024 estimate).