| Schools | ||
| Elementary Schools | ||
| Middle School | 568 Piermont Rd | 768-6061 |
| County Road School | 130 County Road | 768-6256 |
| Luther Lee Emerson | 15 Columbus Road | 784-2084 |
| Secondary School | ||
| Northern Valley Regional High School | 150 Knickerbocker Rd | 768-3200 |
| NVHS Board of Education | 162 Knickerbocker Rd | 768-2200 |
| Academy of the Holy Angels | 315 Hillside Avenue | 768-7822 |

| Miscellaneous Information | ||
| Demarest Athletic Association | 201-768-4446 | |
| Demarest Garden Club | ||
| Demarest Nature Center | ||
| Demarest Post Office | 768-8227 | |
| Demarest Public Library | 90 Hardenburgh Avenue | 768-8714 |
| Demarest Recreation | ||
| Demarest Swim Club | 768-8182 | |
| - Membership | 750-3350 | |
| Senior Citizens Center | 767-9785 | |
| Garbage Miele Sanitation | 768-3818 | |
| United Methodist Church | 109 Hardenburgh Ave. | 768-4355 |

| North Jersey Newspapers | ||
| Name | Phone | Fax |
| The Record | 1-800-371-0113 | 201-646-4532 |
| The Herald News | ||
| The Newark Star Ledger | ||