| Name | Middlesex County |
| State | Connecticut |
| FIPS Code | 09007 |
| County Seat | Middletown |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 165,639 |
| Population Growth Rate(2020-2022) | -0.86% |
| Majority Ethnicity | White 90.51% |
| Public School Majority Ethnicity | White 71% |
| Partisan Voting Index | Democratic:+8 |
| Unemployment Rate (May 2026) | 5.6% |
| Sales Tax Rate (2025) | 6.35% |
| Area Code(s) | 860 / 959 |
| Race/Ethnicity | Percentage of Population (2021) |
|---|---|
| White | 90.51% |
| African American | 5.74% |
| Hispanic | 0.27% |
| Asian | 3.46% |
| Native American | 0.01% |
| Hawaiin/Pacific Islander | 0.01% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 71.28% |
| African American | 6.65% |
| Hispanic | 13.64% |
| Asian | 2.96% |
| Native American | 0.17% |
| Hawaiin/Pacific Islander | 0.13% |