| Place Name | Middletown |
| Place Type | Town |
| ZIP Code(s) | 19709 |
| County | New Castle County |
| Area Code(s) | 302 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 18,495 |
| Population Growth Rate (2010-19) | 22.90% |
| Majority Ethnicity | White 62.38% |
| Metro/Micro Stats Area | Philadelphia-Camden-Wilmington, PA-NJ-DE-MD |
| US Congressional District(s) | Delaware At-Large |
| State House Districts | 8,9,11 |
| State Senate Districts | 10,14 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 62.38% |
| African American | 26.76% |
| Hispanic | 0.1% |
| Asian | 5.52% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 5.25% |