Current Population by County 2020-2050
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| County | 2020 | 2050 | Change |
| New Castle | 570,719 | 592,567 | 21,848 |
| Cecil | 103,100 | 138,440 | 35,340 |
| Total | 673,819 | 731,007 | 57,188 |
Current Employment by County 2020-2050
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| County | 2020 | 2050 | Change |
| New Castle | 277,832 | 284,359 | 6,527 |
| Cecil | 44,479 | 59,000 | 14,521 |
| Total | 322,311 | 343,359 | 21,048 |
Recent WILMAPCO Presentation Materials on Demographic Forecast Development
Data Downloads
| State of Delaware Projetions by Traffic Analysis Zone (TAZ)- 2022 Update | Zipped Shapefile |
| Cecil County Projections by Traffic Analysis Zone (TAZ) – 2022 Update | Zipped Shapefile |
| Delaware Municipal Population Projections 2020-2050 | Excel |
| Delaware Seasonal Population Estimates by County 2020-2050 | Excel |