| Name | Fairfield County |
| State | Connecticut |
| FIPS Code | 09001 |
| County Seat | Bridgeport |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 918,892 |
| Population Growth Rate(2020-2022) | 4.43% |
| Majority Ethnicity | White 79.76% |
| Public School Majority Ethnicity | White 45% |
| Partisan Voting Index | Democratic:+14 |
| Unemployment Rate (May 2026) | 6.8% |
| Sales Tax Rate (2025) | 6.35% |
| Area Code(s) | 203 / 475 / 860 / 959 |
| Race/Ethnicity | Percentage of Population (2021) |
|---|---|
| White | 79.76% |
| African American | 13.45% |
| Hispanic | 0.27% |
| Asian | 6.39% |
| Native American | 0.07% |
| Hawaiin/Pacific Islander | 0.07% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 45.05% |
| African American | 11.43% |
| Hispanic | 34.13% |
| Asian | 5.31% |
| Native American | 0.22% |
| Hawaiin/Pacific Islander | 0.08% |