| Rank |
Congressional District |
Population (2012) |
| 1 |
Montana At Large Congressional District
|
1,005,141
|
| 2 |
Delaware At Large Congressional District
|
917,092
|
| 3 |
South Dakota At Large Congressional District
|
833,354
|
| 4 |
Idaho 1st Congressional District
|
801,178
|
| 5 |
Idaho 2nd Congressional District
|
794,550
|
| 6 |
Oregon 1st Congressional District
|
789,881
|
| 7 |
Oregon 3rd Congressional District
|
788,710
|
| 8 |
Louisiana 6th Congressional District
|
779,349
|
| 9 |
Iowa 3rd Congressional District
|
779,001
|
| 10 |
Oregon 5th Congressional District
|
776,001
|
| 11 |
North Carolina 12th Congressional District
|
775,088
|
| 12 |
Oregon 2nd Congressional District
|
774,864
|
| 13 |
Oklahoma 4th Congressional District
|
771,753
|
| 14 |
Oklahoma 5th Congressional District
|
771,352
|
| 15 |
Louisiana 2nd Congressional District
|
771,285
|
| 16 |
Virginia 11th Congressional District
|
770,944
|
| 17 |
Oregon 4th Congressional District
|
769,897
|
| 18 |
Iowa 2nd Congressional District
|
769,399
|
| 19 |
Virginia 8th Congressional District
|
767,596
|
| 20 |
North Carolina 2nd Congressional District
|
766,976
|
| 21 |
Iowa 1st Congressional District
|
766,320
|
| 22 |
Louisiana 1st Congressional District
|
766,284
|
| 23 |
Oklahoma 1st Congressional District
|
764,074
|
| 24 |
Louisiana 4th Congressional District
|
763,545
|
| 25 |
Louisiana 3rd Congressional District
|
762,579
|
| 26 |
North Carolina 9th Congressional District
|
760,982
|
| 27 |
North Carolina 4th Congressional District
|
759,828
|
| 28 |
Iowa 4th Congressional District
|
759,466
|
| 29 |
Oklahoma 3rd Congressional District
|
759,066
|
| 30 |
Louisiana 5th Congressional District
|
758,851
|
| 31 |
Virginia 10th Congressional District
|
758,321
|
| 32 |
Missouri 2nd Congressional District
|
758,082
|
| 33 |
North Carolina 13th Congressional District
|
758,057
|
| 34 |
New Jersey 8th Congressional District
|
757,415
|
| 35 |
New York 13th Congressional District
|
757,166
|
| 36 |
Missouri 7th Congressional District
|
756,482
|
| 37 |
New York 5th Congressional District
|
756,219
|
| 38 |
Mississippi 4th Congressional District
|
755,311
|
| 39 |
Missouri 4th Congressional District
|
755,257
|
| 40 |
Missouri 6th Congressional District
|
755,177
|
| 41 |
Arkansas 3rd Congressional District
|
754,704
|
| 42 |
Missouri 3rd Congressional District
|
754,587
|
| 43 |
Missouri 5th Congressional District
|
753,184
|
| 44 |
Mississippi 3rd Congressional District
|
752,313
|
| 45 |
Virginia 3rd Congressional District
|
751,694
|
| 46 |
New York 7th Congressional District
|
751,575
|
| 47 |
Texas 22nd Congressional District
|
750,796
|
| 48 |
Mississippi 1st Congressional District
|
750,432
|
| 49 |
Colorado 1st Congressional District
|
750,153
|
| 50 |
Texas 26th Congressional District
|
750,127
|
| 51 |
Missouri 8th Congressional District
|
749,444
|
| 52 |
North Carolina 7th Congressional District
|
748,939
|
| 53 |
Oklahoma 2nd Congressional District
|
748,575
|
| 54 |
Colorado 6th Congressional District
|
748,467
|
| 55 |
Maryland 8th Congressional District
|
748,051
|
| 56 |
Virginia 1st Congressional District
|
747,797
|
| 57 |
North Carolina 3rd Congressional District
|
747,569
|
| 58 |
Arkansas 2nd Congressional District
|
747,332
|
| 59 |
Texas 3rd Congressional District
|
747,284
|
| 60 |
New Jersey 9th Congressional District
|
746,408
|
| 61 |
Colorado 7th Congressional District
|
746,027
|
| 62 |
California 42nd Congressional District
|
745,833
|
| 63 |
Texas 35th Congressional District
|
745,662
|
| 64 |
Massachusetts 2nd Congressional District
|
745,433
|
| 65 |
Massachusetts 7th Congressional District
|
745,166
|
| 66 |
Massachusetts 6th Congressional District
|
745,067
|
| 67 |
Texas 2nd Congressional District
|
744,871
|
| 68 |
New Jersey 7th Congressional District
|
744,206
|
| 69 |
Massachusetts 8th Congressional District
|
743,817
|
| 70 |
Texas 8th Congressional District
|
743,782
|
| 71 |
New Jersey 12th Congressional District
|
743,701
|
| 72 |
Maryland 6th Congressional District
|
743,616
|
| 73 |
Colorado 2nd Congressional District
|
743,592
|
| 74 |
Massachusetts 5th Congressional District
|
743,098
|
| 75 |
New Jersey 5th Congressional District
|
742,297
|
| 76 |
New Jersey 3rd Congressional District
|
741,972
|
| 77 |
North Carolina 8th Congressional District
|
741,884
|
| 78 |
North Carolina 10th Congressional District
|
741,547
|
| 79 |
Virginia 4th Congressional District
|
741,349
|
| 80 |
North Carolina 5th Congressional District
|
741,095
|
| 81 |
North Carolina 6th Congressional District
|
741,006
|
| 82 |
Colorado 5th Congressional District
|
740,514
|
| 83 |
New Jersey 6th Congressional District
|
740,331
|
| 84 |
Texas 31st Congressional District
|
739,975
|
| 85 |
Missouri 1st Congressional District
|
739,775
|
| 86 |
Florida 14th Congressional District
|
739,489
|
| 87 |
Texas 9th Congressional District
|
738,924
|
| 88 |
Ohio 12th Congressional District
|
738,859
|
| 89 |
Maryland 7th Congressional District
|
738,549
|
| 90 |
California 51st Congressional District
|
738,513
|
| 91 |
Colorado 4th Congressional District
|
738,491
|
| 92 |
Virginia 7th Congressional District
|
738,355
|
| 93 |
Virginia 6th Congressional District
|
737,755
|
| 94 |
Arizona 5th Congressional District
|
737,326
|
| 95 |
Illinois 7th Congressional District
|
736,759
|
| 96 |
Maryland 5th Congressional District
|
736,564
|
| 97 |
Arizona 9th Congressional District
|
736,472
|
| 98 |
California 18th Congressional District
|
736,397
|
| 99 |
Indiana 7th Congressional District
|
735,936
|
| 100 |
Kentucky 6th Congressional District
|
735,759
|