Connecticut counties
Quick answer
Connecticut has 9 counties and county equivalents holding 3,598,348 residents. The statewide sales tax base rate is 6.35% with no local add-ons.
All 9 counties
Ranked by population, Census 2019-2023 ACS 5-year estimates.
| County | Population | Median income | Median home value | Median rent |
|---|---|---|---|---|
| Capitol Planning Region | 969,029 | $91,541 | $298,200 | $1,351 |
| Western Connecticut Planning Region | 621,232 | $124,553 | $625,400 | $2,060 |
| South Central Connecticut Planning Region | 566,803 | $86,266 | $328,300 | $1,463 |
| Naugatuck Valley Planning Region | 452,303 | $86,365 | $290,800 | $1,288 |
| Greater Bridgeport Planning Region | 326,296 | $87,135 | $397,000 | $1,482 |
| Southeastern Connecticut Planning Region | 279,025 | $84,185 | $293,900 | $1,316 |
| Lower Connecticut River Valley Planning Region | 174,983 | $101,117 | $359,000 | $1,399 |
| Northwest Hills Planning Region | 112,848 | $91,035 | $311,700 | $1,169 |
| Northeastern Connecticut Planning Region | 95,829 | $87,564 | $281,300 | $1,153 |
Source: US Census Bureau, ACS 2019-2023 5-year estimates · rates as published for 2019-2023 ACS 5-year
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