| Place Name | Charlestown |
| Place Type | Town |
| ZIP Code(s) | 21914 |
| County | Cecil County |
| Area Code(s) | 410,443,667 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 1,122 |
| Population Growth Rate (2010-19) | 26.46% |
| Majority Ethnicity | White 94.42% |
| Metro/Micro Stats Area | Philadelphia-Camden-Wilmington, PA-NJ-DE-MD |
| US Congressional District(s) | Maryland 1st |
| House of Delegates Districts | 35A |
| State Senate Districts | 35 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 94.42% |
| African American | 1.58% |
| Hispanic | 0% |
| Asian | 0.23% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 3.78% |