| Place Name | Fort Johnson |
| Place Type | Village |
| ZIP Code(s) | 12070 |
| County | Montgomery County |
| Area Code(s) | 518,838 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 511 |
| Population Growth Rate (2010-19) | -18.16% |
| Majority Ethnicity | White 85.52% |
| Metro/Micro Stats Area | Amsterdam, NY |
| US Congressional District(s) | New York 20th |
| State Assembly Districts | 111 |
| State Senate Districts | 46 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 85.52% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 14.48% |