| Place Name | Elmer |
| Place Type | Borough |
| ZIP Code(s) | 08318 |
| County | Salem County |
| Area Code(s) | 856 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 1,283 |
| Population Growth Rate (2010-19) | -3.44% |
| Majority Ethnicity | White 91.08% |
| Metro/Micro Stats Area | Philadelphia-Camden-Wilmington, PA-NJ-DE-MD |
| US Congressional District(s) | New Jersey 2nd |
| State Assembly Districts | 3 |
| State Senate Districts | 3 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 91.08% |
| African American | 3.36% |
| Hispanic | 0% |
| Asian | 4.07% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.49% |