List of Counties and cities in Delaware.To Search By Counties:Click Here.To Search by city, Click the First letter of the city below:A B C D E F G H K L M N O P R S T V W Advertisements Counties in Delaware Click County Name for detailed Statistics Population New Castle County 538,479 Sussex County 197,145Cities In Delaware Starting With The Letter A Click City for detailed Statistics Population Arden village 439 Ardencroft village 231 Ardentown village 264Cities In Delaware Starting With The Letter B Click City for detailed Statistics Population Bear 19,371 Bellefonte 1,193 Bethany Beach 1,060 Bethel 171 Blades 1,241 Bowers 335 Bridgeville 2,048 Brookside 14,353Cities In Delaware Starting With The Letter C Click City for detailed Statistics Population Camden 3,464 Cheswold 1,380 Claymont 8,253 Clayton 2,918Cities In Delaware Starting With The Letter D Click City for detailed Statistics Population Dagsboro 805 Delaware City 1,695 Delmar 1,597 Dewey Beach 341 Dover 36,047 Dover Base Housing 3,450Cities In Delaware Starting With The Letter E Click City for detailed Statistics Population Edgemoor 5,677 Ellendale 381 Elsmere 6,131Cities In Delaware Starting With The Letter F Click City for detailed Statistics Population Farmington 110 Felton 1,298 Fenwick Island 379 Frankford 847 Frederica 774Cities In Delaware Starting With The Letter G Click City for detailed Statistics Population Georgetown 6,422 Glasgow 14,303 Greenville 2,326 Greenwood 973Cities In Delaware Starting With The Letter H Click City for detailed Statistics Population Harrington 3,562 Henlopen Acres 122 Highland Acres 3,459 Hockessin 13,527 Houston 374Cities In Delaware Starting With The Letter K Click City for detailed Statistics Population Kent Acres 1,890 Kenton 261Cities In Delaware Starting With The Letter L Click City for detailed Statistics Population Laurel 3,708 Leipsic 183 Lewes 2,747 Little Creek 224 Long Neck 1,980Cities In Delaware Starting With The Letter M Click City for detailed Statistics Population Magnolia 225 Middletown 18,871 Milford 9,559 Millsboro 3,877 Millville 544 Milton 2,576Cities In Delaware Starting With The Letter N Click City for detailed Statistics Population New Castle 5,285 Newark 31,454 Newport 1,055 North Star 7,980Cities In Delaware Starting With The Letter O Click City for detailed Statistics Population Ocean View 1,882 Odessa 364Cities In Delaware Starting With The Letter P Click City for detailed Statistics Population Pike Creek 7,898 Pike Creek Valley 11,217Cities In Delaware Starting With The Letter R Click City for detailed Statistics Population Rehoboth Beach 1,327 Rising Sun Lebanon 3,391 Riverview 2,456 Rodney Village 1,487Cities In Delaware Starting With The Letter S Click City for detailed Statistics Population Seaford 6,928 Selbyville 2,167 Slaughter Beach 207 Smyrna 10,023 South Bethany 449Cities In Delaware Starting With The Letter T Click City for detailed Statistics Population Townsend 2,049Cities In Delaware Starting With The Letter V Click City for detailed Statistics Population Viola 157Cities In Delaware Starting With The Letter W Click City for detailed Statistics Population Wilmington 70,851 Wilmington Manor 7,889 Woodside 181 Woodside East 2,316 Wyoming 1,313