The median income of Fairfield County residents was $39,355 per year, adjusted for inflation. It had 340,491 households with a population of 944,348.
The county with the lowest median resident income in the state was Windham County with $31,121 per year after adjusting for inflation – $8,234 less than Fairfield County. It had 44,449 households with a population of 116,538.
Connecticut counties by earnings per resident (2018)
| Rank | County | Earnings per resident |
|---|---|---|
| 1 | Fairfield County | $39,355 |
| 2 | Litchfield County | $37,698 |
| 3 | Hartford County | $36,491 |
| 4 | Tolland County | $35,630 |
| 5 | New London County | $34,843 |
| 6 | New Haven County | $34,664 |
| 7 | Windham County | $31,121 |
* All values are inflation-adjusted
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