| Wards. | 1870. | 1880. | 1890.
|
| Twentieth | 56,642 | 43,207 | 41,480 |
| Twenty-first | 13,861 | 19,699 | 26,900 |
| Twenty-second | 22,605 | 31,798 | 45,329 |
| Twenty-third | 20,888 | 26,644 | 35,294 |
| Twenty-fourth | 24,932 | 46,071 | 42,656 |
| Twenty-fifth | 18,639 | 36,108 | 35,945 |
| Twenty-sixth | 36,603 | 35,138 | 62,138 |
| Twenty-seventh | 19,385 | 23,333 | 32,905 |
| Twenty-eighth | 10,370 | 34,443 | 46,390 |
| Twenty-ninth | . . . . . . | 40,787 | 54,739 |
| Thirtieth | . . . . . . | 29,098 | 30,614 |
| Thirty-first | . . . . . . | 31,308 | 32,974 |
| Thirty-second | . . . . . . | . . . . . . | 30,050 |
| Thirty-third | . . . . . . | . . . . . . | 33,171 |
| Thirty-fourth | . . . . . . | . . . . . . | 23,721 |
| Total | 674,022 | 847,170 | 1,046,964 |
Boston—Population by Wards.
| Wards. | 1880. | 1890. | Wards. | 1880. | 1890. |
| First | 14,773 | 19,633 | Fifteenth | 14,902 | 18,049 |
| Second | 15,153 | 17,297 | Sixteenth | 15,184 | 18,048 |
| Third | 11,514 | 13,094 | Seventeenth | 14,445 | 15,638 |
| Fourth | 11,257 | 12,842 | Eighteenth | 13,142 | 16,035 |
| Fifth | 10,960 | 12,412 | Nineteenth | 19,971 | 23,016 |
| Sixth | 16,904 | 18,447 | Twentieth | 17,391 | 24,335 |
| Seventh | 12,550 | 13,145 | Twenty-first | 14,711 | 22,930 |
| Eighth | 12,792 | 13,026 | Twenty-second | 12,715 | 20,011 |
| Ninth | 12,611 | 12,660 | Twenty-third | 14,032 | 24,997 |
| Tenth | 11,503 | 8,205 | Twenty-fourth | 16,871 | 29,638 |
| Eleventh | 16,602 | 21,660 | Twenty-fifth | 6,693 | 12,032 |
| Twelfth | 14,696 | 12,585 | |||
| Thirteenth | 21,462 | 22,375 | Total | 362,839 | 448,477 |
| Fourteenth | 20,005 | 26,367 |
Wards 1 and 2 comprise East Boston; Wards 3, 4, and 5 comprise Charlestown; Wards 13, 14, and 15 comprise South Boston.
The population of Boston by wards for 1870 can not be stated, because the geographical boundaries of wards were changed in 1875; but other data relative to Boston can be used for the illustration of the point I desire to make. In the other cities named, New York and Philadelphia, the geographical boundaries of wards have been identical under the last three Federal censuses. From the foregoing tables I have combined what might be called the congested wards of each of the cities. Eliminating these from all the wards, and constructing a new table, we have the facts relative to the population for all wards for the years named, for the congested wards stated separately, and for the remaining wards, in each of the cities. This table is as follows:
