Census ACS · 9 counties
Richest Counties in Connecticut
Income varies significantly across Connecticut's 9 counties. Western Connecticut Planning Region leads with a median household income of $124,553. County-level income data reveals economic disparities within the state that statewide averages can mask, affluent suburban counties often have incomes 2-3x higher than rural counties in the same state. These differences affect school funding, public services, and quality of life.
Source: Census ACS 5-Year Estimates
| # | County | Median Income | Population |
|---|---|---|---|
| 1 | Western Connecticut Planning Region | $124,553 | 621,232 |
| 2 | Southeastern Connecticut Planning Region | $84,185 | 279,025 |
| 3 | South Central Connecticut Planning Region | $86,266 | 566,803 |
| 4 | Northwest Hills Planning Region | $91,035 | 112,848 |
| 5 | Northeastern Connecticut Planning Region | $87,564 | 95,829 |
| 6 | Naugatuck Valley Planning Region | $86,365 | 452,303 |
| 7 | Lower Connecticut River Valley Planning Region | $101,117 | 174,983 |
| 8 | Greater Bridgeport Planning Region | $87,135 | 326,296 |
| 9 | Capitol Planning Region | $91,541 | 969,029 |
More Rankings for Connecticut
Frequently Asked Questions
Western Connecticut Planning Region is the #1 ranked county in Connecticut by median household income, with a value of $124,553 according to latest Census ACS data.
Connecticut has 9 counties tracked in latest Census ACS data.
All data comes from the American Community Survey (ACS) 5-Year estimates by the US Census Bureau.
Data from the American Community Survey 5-Year estimates. Covers all counties in Connecticut.
Source: U.S. Census Bureau ACS, 2026.