Largest Counties in Delaware

Rank County Population County Seat Established Area (km2) Density
1 New Castle County 538,468 Wilmington 1664 1,279 421.01
2 Sussex County 197,134 Georgetown 1664 3,098 63.63
3 Kent County 162,299 Dover 1680 2,072 78.33

Largest Counties in Delaware

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