Affordability vs median income
Modeled annual costs equal about 51.9% of median family income in Suffolk County, NY and 45.6% in Nassau County, NY. This matters because a cheaper county can still feel tight if typical local incomes are also lower.
Suffolk County, NY vs Nassau County, NY: Cost of Living Difference
Nassau County, NY is cheaper than Suffolk County, NY for modeled annual cost of living. This comparison shows the yearly cost gap, salary needed to keep similar purchasing power, and the categories driving the difference.
Is it cheaper?
Nassau County, NY is cheaper than Suffolk County, NY.
Cheaper place
Nassau County, NYSave about $1,149 per year.Cost gap
Moving to Nassau County, NY is estimated to save $1,149 per year.
AnnualSave about $1,149 per year.
MonthlySave about $96 per month.
Salary needed
$50,000 in Suffolk County, NY is about $49,250 in Nassau County, NY.
Biggest drivers
Housing increases by $50 per year. Transport saves $786 per year.
Suffolk County, NY→Nassau County, NY
Equivalent salary in Nassau County, NY
$49,250
-1.5% lower
Current salary: $50,000
Household: 1 adult · 0 children
Median Income in Suffolk County, NY: $147,792
Median Income in Nassau County, NY: $165,692
annual living index in Suffolk County, NY 51.92%
annual living index in Nassau County, NY 45.62%
This estimate matches your purchasing power (equivalent salary) when moving from Suffolk County, NY to Nassau County, NY.
* Living index is estimated as (estimated annual total cost / area median annual income) * 100. A living index above 100% means modeled costs exceed median income.
Cost of Living Breakdown by Category
Category-by-category comparison
Annual costs are shown for the selected household. The difference column shows how much more or less the category costs in Nassau County, NY compared with Suffolk County, NY.
| Category | Suffolk County, NY | Nassau County, NY | Annual difference | Monthly impact | Direction |
|---|---|---|---|---|---|
| Transport | $14,309 | $13,523 | -$786(-5.49%) | -$66 | Lower in Nassau County, NY |
| Taxes | $19,086 | $18,672 | -$414(-2.17%) | -$35 | Lower in Nassau County, NY |
| Housing | $22,152 | $22,202 | +$50(0.23%) | +$4 | Higher in Nassau County, NY |
| Other Costs | $8,361 | $8,373 | +$12(0.14%) | +$1 | Higher in Nassau County, NY |
| Food | $4,777 | $4,766 | -$11(-0.23%) | -$1 | Lower in Nassau County, NY |
| Healthcare | $8,055 | $8,055 | $0(0%) | $0 | About even |
| Childcare | $0 | $0 | $0(0%) | $0 | About even |
Why this comparison matters
These notes use the actual annual cost differences between Suffolk County, NY and Nassau County, NY, so the page highlights the budget tradeoffs behind the total.
Housing
Housing is $50 per year higher in Nassau County, NY than in Suffolk County, NY. Housing usually behaves like a fixed monthly commitment, so this matters most for renters or buyers checking whether Nassau County, NY changes their baseline budget.
Food
Food is $11 per year lower in Nassau County, NY than in Suffolk County, NY. Food costs affect weekly cash flow, so even a smaller modeled gap in Nassau County, NY can show up quickly for households that cook most meals at home.
Transportation
Transportation is $786 per year lower in Nassau County, NY than in Suffolk County, NY. Transportation matters for commuters because driving distance, vehicle costs, and transit access can change how much of a salary is left after getting around Nassau County, NY.
Healthcare
Healthcare is about the same in Suffolk County, NY and Nassau County, NY, so this category is not a major driver of the modeled gap. Healthcare differences are useful for planning premiums and out-of-pocket exposure, especially if Nassau County, NY changes provider networks or plan options.
Other necessities
Other necessities is $12 per year higher in Nassau County, NY than in Suffolk County, NY. Other necessities cover everyday basics, so changes in Nassau County, NY help explain the non-housing costs that can quietly add up month after month.
Childcare
Childcare is about the same in Suffolk County, NY and Nassau County, NY, so this category is not a major driver of the modeled gap. Childcare is most important for households with children; in Nassau County, NY, this line can swing the result even when housing or taxes look manageable.
Taxes
Taxes is $414 per year lower in Nassau County, NY than in Suffolk County, NY. Taxes affect take-home pay, so the gap in Nassau County, NY matters even if the headline salary looks similar before deductions.
Methodology and data vintage
WatchPennies uses county-level 2026 cost estimates from a 2025-2026 cost-data snapshot. The comparison includes housing, food, transportation, healthcare, childcare, other necessities, taxes, total cost, and median family income context when available.
Read the full methodologyFrequently asked questions
Which is cheaper, Suffolk County, NY or Nassau County, NY?
Nassau County, NY is cheaper than Suffolk County, NY by about $1,149 per year.
How much salary is needed in Nassau County, NY?
A $50,000 salary in Suffolk County, NY is modeled as roughly equivalent to $49,250 in Nassau County, NY for the selected household profile.
What costs are included in this Suffolk County, NY vs Nassau County, NY comparison?
The comparison includes housing, food, transportation, healthcare, childcare, other necessities, taxes, total cost, and median family income context when available.
Is this comparison personalized financial advice?
No. WatchPennies comparisons are directional planning estimates based on county-level public datasets, not personalized financial, tax, housing, or relocation advice.
Use our map to visually compare multiple counties at once.
