Current Population:
The CARA region was home to nearly 23% of the total population of the United States at the time of the Census count in 2000.
The geographic distribution, movement and social choices of the population are primary factors in land-use decision making. Some of these human dimensions are illustrated in the quickStart topics under the People heading.
| CARA Region Population at 2000 Census | |
| Connecticut | 3,405,565 |
| Delaware | 783,600 |
| District of Columbia | 572,059 |
| Maryland | 5,296,486 |
| Massachusetts | 6,349,097 |
| New Jersey | 8,414,350 |
| New York | 18,976,457 |
| Pennsylvania | 12,281,054 |
| Rhode Island | 1,048,319 |
| Virginia | 7,078,515 |
| CARA Region Total | 64,205,502 |
| United States Total | 281,421,906 |