| Years | Image | Event | Description | Keywords |
| 1790 | | New England has a million people | | population |
| 1800 | | With 1,400,000 people N.E. contains 28 percent of the U.S. population | | |
| 1800 | | Population in Connecticut stagnates while Maine explodes | | population distribution |
| 1850 | | At 2,729,000, N.E. composes less than 12 percent of the U.S. population | | |
| 1850 | | 45 out of 100 New Englanders live in Maine, NH, or Vermont | | population distribution |
| 1870 | | Most female wage workers are employed in factories or as household servants. | In Boston, 8 of 10 household servants are foreign born. In textile mills, most are immigrants or the children of immigrants. | women's work, population, immigration |
| 1894 | | Immigration Restriction League Founded at Harvard | | labor, population |
| 1900 | | New England's 5.5 million people make up 7 percent of the U.S. population | | |
| 1900 | | 75 of 100 New Englanders live in Mass, Conn, or RI | | population distribution |
| 1924 | | Congress passes restrictive immigration laws | | population |
| 1925 | | Vermont launches a Eugenics Survey | | population, immigration |
| 1950 | | New England has over 9 million people, 6 percent of the nation's population | | population |
| 2000 | | N. E.'s 12 million people compose less than 5 percent of the U.S. population | | population |