Salary needed
A $50,000 salary in San Mateo County, CA would need to be about $37,115 in Fairfield County, CT, or $12,885 less, to match the modeled cost ratio.
San Mateo County, CA vs Fairfield County, CT: Cost of Living Difference
Is it cheaper?
Fairfield County, CT is cheaper than San Mateo County, CA.
Moving to Fairfield County, CT is estimated to save $24,155 per year.
Cheaper County
Fairfield County, CTSave about $24,155 per year.Salary needed
$50,000 in San Mateo County, CA is about $37,115 in Fairfield County, CT.
Biggest drivers
Healthcare increases by $1,028 per year. Housing saves $11,589 per year.
Housing: $11,589 lower in Fairfield County, CT
Taxes: $8,536 lower in Fairfield County, CT
Childcare: about the same in both counties
Healthcare: $1,028 higher in Fairfield County, CT
Food: $277 lower in Fairfield County, CT
Transport: $1,098 lower in Fairfield County, CT
San Mateo County, CA→Fairfield County, CT
Equivalent salary in Fairfield County, CT
$37,115
-25.77% lower
Current salary: $50,000
Household: 1 adult · 0 children
Median Income in San Mateo County, CA: $184,583
Median Income in Fairfield County, CT: $0
Living Index in San Mateo County, CA 50.77%
Living Index in Fairfield County, CT 0.00%
This estimate matches your purchasing power (equivalent salary) when moving from San Mateo County, CA to Fairfield County, CT.
* Living index is estimated as (estimated total cost / area median income) * 100. A living index above 100% means modeled costs exceed median income.
Cost of Living Breakdown by Category
Summary
Moving from San Mateo County, CA to Fairfield County, CT is estimated to save $24,155 per year. A $50,000 salary in San Mateo County, CA would have similar purchasing power to about $37,115 in Fairfield County, CT. The largest savings come from housing and taxes.
This is a -25.77% decrease in modeled annual costs. Housing is $11,589 per year lower (-38.15%); Taxes is $8,536 per year lower (-34.07%).
Below we break down the annual categories behind the difference using Economic Policy Institute 2026 Family Budget data.
Why this comparison matters
These notes use the actual annual cost differences between San Mateo County, CA and Fairfield County, CT, so the page highlights the budget tradeoffs behind the total.
Affordability vs median income
Median income context is unavailable for one of these counties, so use the category differences and salary-needed estimate as directional planning signals.
Housing
Housing is $11,589 per year lower in Fairfield County, CT than in San Mateo County, CA. Housing usually behaves like a fixed monthly commitment, so this matters most for renters or buyers checking whether Fairfield County, CT changes their baseline budget.
Food
Food is $277 per year lower in Fairfield County, CT than in San Mateo County, CA. Food costs affect weekly cash flow, so even a smaller annual gap in Fairfield County, CT can show up quickly for households that cook most meals at home.
Transportation
Transportation is $1,098 per year lower in Fairfield County, CT than in San Mateo County, CA. Transportation matters for commuters because driving distance, vehicle costs, and transit access can change how much of a salary is left after getting around Fairfield County, CT.
Healthcare
Healthcare is $1,028 per year higher in Fairfield County, CT than in San Mateo County, CA. Healthcare differences are useful for planning premiums and out-of-pocket exposure, especially if Fairfield County, CT changes provider networks or plan options.
Other necessities
Other necessities is $3,684 per year lower in Fairfield County, CT than in San Mateo County, CA. Other necessities cover everyday basics, so changes in Fairfield County, CT help explain the non-housing costs that can quietly add up month after month.
Childcare
Childcare is about the same in San Mateo County, CA and Fairfield County, CT, so this category is not a major driver of the modeled gap. Childcare is most important for households with children; in Fairfield County, CT, this line can swing the result even when housing or taxes look manageable.
Taxes
Taxes is $8,536 per year lower in Fairfield County, CT than in San Mateo County, CA. Taxes affect take-home pay, so the gap in Fairfield County, CT matters even if the headline salary looks similar before deductions.
What changed the most?
The following cards show the annual category differences that most affect the move to Fairfield County, CT.
Biggest Cost
Largest annual cost increase when moving to Fairfield County, CT
Annual Increase:
$1,028 per year
HEALTHCARE has the largest annual increase when moving to Fairfield County, CT.
Biggest Savings
Largest annual savings when moving to Fairfield County, CT
Annual Savings:
$11,589 per year
HOUSING has the largest annual savings when moving to Fairfield County, CT.
Breakdown of price percentages per category.
Numbers are average costs per section.
| Category | Difference | |
|---|---|---|
| Housing | -38% lower | |
| Food | -5% lower | |
| Transport | -8% lower | |
| Healthcare | 14% higher | |
| Other Costs | -33% lower | |
| Childcare | 0% higher | |
| Taxes | -34% lower |
In Fairfield County, CT, modeled annual costs are $69,563 compared with $93,718 in San Mateo County, CA.
Overall, annual costs are lower in Fairfield County, CT. The category breakdown above shows where the move creates the most room in the budget.
In this case Fairfield County, CT and San Mateo County, CA are both metropolitan locations.
Use our map to visually compare multiple counties at once.
