| 1 | Rose Valley borough (south) | 8,448 |
| 2 | St. Davids CDP (south-southwest) | 7,647 |
| 3 | Wayne CDP (north) | 7,094 |
| 4 | Millbourne borough (southeast) | 6,833 |
| 5 | Clifton Heights borough (east-southeast) | 6,821 |
| 6 | St. Davids CDP (northwest) | 6,699 |
| 7 | Millbourne borough (east-southeast) | 6,668 |
| 8 | Swarthmore borough (south-southeast) | 6,524 |
| 9 | Woodlyn CDP (north) | 6,436 |
| 10 | Prospect Park borough (north-northwest) | 6,402 |
| 11 | Millbourne borough (west-southwest) | 6,400 |
| 12 | Rutledge borough (northeast) | 6,286 |
| 13 | Village Green-Green Ridge CDP (west-northwest) | 6,196 |
| 14 | Drexel Hill CDP (southwest) | 6,127 |
| 15 | Sharon Hill borough (north-northwest) | 5,978 |
| 16 | Broomall CDP (west) | 5,855 |
| 17 | Broomall CDP (north) | 5,822 |
| 18 | Broomall CDP (west-southwest) | 5,788 |
| 19 | Morton borough (north-northwest) | 5,751 |
| 20 | Woodlyn CDP (east-southeast) | 5,624 |
| 21 | Chester Heights borough (southwest) | 5,389 |
| 22 | Lima CDP (south-southwest) | 5,386 |
| 23 | Linwood CDP (north) | 5,365 |
| 24 | Chester Heights borough (east 1) | 5,270 |
| 25 | Millbourne borough (west-northwest) | 5,242 |
| 26 | Village Green-Green Ridge CDP (west-southwest) | 5,224 |
| 27 | Yeadon borough (north-northeast) | 5,197 |
| 28 | Haverford College CDP (east-northeast) | 5,186 |
| 29 | Broomall CDP (south) | 5,182 |
| 30 | Wayne CDP (southwest) | 5,169 |
| 31 | Haverford College CDP (northwest 2) | 5,079 |
| 32 | Chester Heights borough (east 2) | 5,050 |
| 33 | Lansdowne borough (south-southwest) | 5,045 |
| 34 | Drexel Hill CDP (south 2) | 5,002 |
| 35 | Drexel Hill CDP (west-northwest) | 4,994 |
| 36 | Brookhaven borough | 4,967 |
| 37 | Haverford College CDP (east) | 4,826 |
| 38 | Rose Valley borough (south-southeast) | 4,766 |
| 39 | Haverford College CDP (north-northwest) | 4,761 |
| 40 | Chester city (south-southeast) | 4,753 |
| 41 | Haverford College CDP (northwest 1) | 4,744 |
| 42 | Swarthmore borough (north-northwest) | 4,634 |
| 43 | Drexel Hill CDP (north-northeast) | 4,607 |
| 44 | Glenolden borough (south-southeast) | 4,539 |
| 45 | Haverford College CDP (south-southwest 1) | 4,456 |
| 46 | Haverford College CDP (southeast 2) | 4,426 |
| 47 | Millbourne borough (south-southeast) | 4,412 |
| 48 | Lima CDP (northwest) | 4,386 |
| 49 | Chester Heights borough (south) | 4,342 |
| 50 | Lima CDP (west-southwest) | 4,325 |
| 51 | Rutledge borough (west) | 4,307 |
| 52 | Millbourne borough (east-northeast) | 4,280 |
| 53 | Darby borough (west-northwest) | 4,275 |
| 54 | Upland borough (northeast) | 4,263 |
| 55 | Aldan borough (northwest) | 4,219 |
| 56 | Boothwyn CDP (southeast) | 4,203 |
| 57 | Clifton Heights borough (north-northeast) | 4,195 |
| 58 | Haverford College CDP (south-southeast) | 4,129 |
| 59 | Village Green-Green Ridge CDP (north-northwest) | 4,086 |
| 60 | Wayne CDP (southeast) | 4,077 |
| 61 | Lima CDP (northeast) | 4,074 |
| 62 | Millbourne borough (northwest) | 4,072 |
| 63 | Lansdowne borough (west) | 3,978 |
| 64 | Chester Heights borough (west-southwest) | 3,941 |
| 65 | Broomall CDP (east-southeast) | 3,910 |
| 66 | Norwood borough (north-northwest) | 3,872 |
| 67 | Clifton Heights borough (south) | 3,844 |
| 68 | Yeadon borough (southeast) | 3,840 |
| 69 | Lima CDP (south-southeast) | 3,838 |
| 70 | Ridley Park borough (west-northwest) | 3,800 |
| 71 | Rose Valley borough (north) | 3,791 |
| 72 | Rutledge borough (south) | 3,786 |
| 73 | Haverford College CDP (southeast 1) | 3,746 |
| 74 | Folcroft borough (north-northwest) | 3,721 |
| 75 | Boothwyn CDP (east-northeast 1) | 3,708 |
| 76 | Morton borough (east 1) | 3,621 |
| 77 | Lansdowne borough (east-northeast) | 3,620 |
| 78 | Drexel Hill CDP (west-southwest) | 3,591 |
| 79 | Drexel Hill CDP (northeast) | 3,565 |
| 80 | Boothwyn CDP (east-northeast 2) | 3,557 |
| 81 | Boothwyn CDP (southwest) | 3,529 |
| 82 | Clifton Heights borough (west) | 3,502 |
| 83 | East Lansdowne borough (east) | 3,499 |
| 84 | Ridley Park borough (east-southeast) | 3,445 |
| 85 | Broomall CDP (northeast) | 3,428 |
| 86 | Haverford College CDP (south-southwest 2) | 3,397 |
| 87 | Rose Valley borough (east) | 3,393 |
| 88 | Linwood CDP (south) | 3,391 |
| 89 | Media borough (north-northeast) | 3,385 |
| 90 | Collingdale borough (southwest) | 3,380 |
| 91 | Chester Heights borough (north) | 3,377 |
| 92 | Lima CDP (east) | 3,341 |
| 93 | Parkside borough (west-southwest) | 3,321 |
| 94 | Darby borough (east-southeast) | 3,214 |
| 95 | Rose Valley borough (west) | 3,193 |
| 96 | Boothwyn CDP (west-southwest) | 3,191 |
| 97 | Eddystone borough (northeast) | 3,182 |
| 98 | Colwyn borough (north-northwest) | 3,175 |
| 99 | Media borough (south) | 3,162 |
| 100 | Drexel Hill CDP (southeast) | 3,077 |
| 101 | Upland borough (west-southwest) | 3,056 |
| 102 | Yeadon borough (west) | 3,054 |
| 103 | Haverford College CDP (east-southeast) | 3,050 |
| 104 | Sharon Hill borough (south-southeast) | 3,036 |
| 105 | Glenolden borough (east) | 3,027 |
| 106 | Drexel Hill CDP (north-northwest 1) | 3,026 |
| 107 | Chester Heights borough (east-northeast) | 2,922 |
| 108 | Collingdale borough (north) | 2,893 |
| 109 | Boothwyn CDP (north-northwest) | 2,878 |
| 110 | Broomall CDP (east-northeast) | 2,868 |
| 111 | Chester city (west-southwest 2) | 2,858 |
| 112 | Chester city (west-southwest 1) | 2,855 |
| 113 | Morton borough (southwest 1) | 2,768 |
| 114 | Media borough (west-southwest) | 2,706 |
| 115 | East Lansdowne borough (west) | 2,699 |
| 116 | Village Green-Green Ridge CDP (east-southeast) | 2,694 |
| 117 | Colwyn borough (south-southeast) | 2,683 |
| 118 | Glenolden borough (west-northwest) | 2,668 |
| 119 | Chester Heights borough (northwest) | 2,589 |
| 120 | Collingdale borough (east) | 2,589 |
| 121 | Aldan borough (south-southwest) | 2,521 |
| 122 | Drexel Hill CDP (south 1) | 2,443 |
| 123 | Drexel Hill CDP (north-northwest 2) | 2,399 |
| 124 | Lansdowne borough (south-southeast) | 2,399 |
| 125 | Parkside borough (east-northeast) | 2,304 |
| 126 | Prospect Park borough (south-southeast) | 2,239 |
| 127 | Marcus Hook borough | 2,236 |
| 128 | Haverford College CDP (west) | 2,227 |
| 129 | Upland borough (south-southwest) | 2,225 |
| 130 | Eddystone borough (south-southeast) | 2,212 |
| 131 | Trainer borough (north) | 2,208 |
| 132 | St. Davids CDP (east) | 2,203 |
| 133 | Morton borough (east 2) | 2,183 |
| 134 | Upland borough (north) | 2,092 |
| 135 | Eddystone borough (west-southwest) | 2,072 |
| 136 | Norwood borough (south-southeast) | 2,043 |
| 137 | Clifton Heights borough (north-northwest) | 1,973 |
| 138 | Chester city (northeast 2) | 1,959 |
| 139 | Drexel Hill CDP (east-northeast) | 1,959 |
| 140 | Woodlyn CDP (southwest) | 1,901 |
| 141 | Morton borough (north) | 1,800 |
| 142 | Aldan borough (north-northeast) | 1,799 |
| 143 | Lansdowne borough (north) | 1,766 |
| 144 | Drexel Hill CDP (east) | 1,760 |
| 145 | Folcroft borough (southwest) | 1,731 |
| 146 | Trainer borough (south) | 1,725 |
| 147 | Morton borough (southwest 2) | 1,638 |
| 148 | Village Green-Green Ridge CDP (southeast) | 1,349 |
| 149 | Chester city (northeast 1) | 1,257 |
| 150 | Chester Heights borough (west) | 39 |