Affordability vs median income
Modeled annual costs equal about 45.6% of median family income in Nassau County, NY and 54.9% in Jefferson County, KY. This matters because a cheaper county can still feel tight if typical local incomes are also lower.
Nassau County, NY vs Jefferson County, KY: Cost of Living Difference
Jefferson County, KY is cheaper than Nassau 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?
Jefferson County, KY is cheaper than Nassau County, NY.
Cheaper place
Jefferson County, KYSave about $27,104 per year.Cost gap
Moving to Jefferson County, KY is estimated to save $27,104 per year.
AnnualSave about $27,104 per year.
MonthlySave about $2,259 per month.
Salary needed
$50,000 in Nassau County, NY is about $32,070 in Jefferson County, KY.
Biggest drivers
No measured category is higher in Jefferson County, KY. Housing saves $9,963 per year.
Nassau County, NY→Jefferson County, KY
Equivalent salary in Jefferson County, KY
$32,070
-35.86% lower
Current salary: $50,000
Household: 1 adult · 0 children
Median Income in Nassau County, NY: $165,692
Median Income in Jefferson County, KY: $88,392
annual living index in Nassau County, NY 45.62%
annual living index in Jefferson County, KY 54.85%
This estimate matches your purchasing power (equivalent salary) when moving from Nassau County, NY to Jefferson County, KY.
* 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 Jefferson County, KY compared with Nassau County, NY.
| Category | Nassau County, NY | Jefferson County, KY | Annual difference | Monthly impact | Direction |
|---|---|---|---|---|---|
| Housing | $22,202 | $12,239 | -$9,963(-44.87%) | -$830 | Lower in Jefferson County, KY |
| Taxes | $18,672 | $9,920 | -$8,752(-46.87%) | -$729 | Lower in Jefferson County, KY |
| Other Costs | $8,373 | $5,118 | -$3,255(-38.87%) | -$271 | Lower in Jefferson County, KY |
| Healthcare | $8,055 | $5,277 | -$2,778(-34.49%) | -$232 | Lower in Jefferson County, KY |
| Transport | $13,523 | $11,687 | -$1,836(-13.58%) | -$153 | Lower in Jefferson County, KY |
| Food | $4,766 | $4,246 | -$520(-10.91%) | -$43 | Lower in Jefferson County, KY |
| Childcare | $0 | $0 | $0(0%) | $0 | About even |
Why this comparison matters
These notes use the actual annual cost differences between Nassau County, NY and Jefferson County, KY, so the page highlights the budget tradeoffs behind the total.
Housing
Housing is $9,963 per year lower in Jefferson County, KY than in Nassau County, NY. Housing usually behaves like a fixed monthly commitment, so this matters most for renters or buyers checking whether Jefferson County, KY changes their baseline budget.
Food
Food is $520 per year lower in Jefferson County, KY than in Nassau County, NY. Food costs affect weekly cash flow, so even a smaller modeled gap in Jefferson County, KY can show up quickly for households that cook most meals at home.
Transportation
Transportation is $1,836 per year lower in Jefferson County, KY than in Nassau 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 Jefferson County, KY.
Healthcare
Healthcare is $2,778 per year lower in Jefferson County, KY than in Nassau County, NY. Healthcare differences are useful for planning premiums and out-of-pocket exposure, especially if Jefferson County, KY changes provider networks or plan options.
Other necessities
Other necessities is $3,255 per year lower in Jefferson County, KY than in Nassau County, NY. Other necessities cover everyday basics, so changes in Jefferson County, KY help explain the non-housing costs that can quietly add up month after month.
Childcare
Childcare is about the same in Nassau County, NY and Jefferson County, KY, so this category is not a major driver of the modeled gap. Childcare is most important for households with children; in Jefferson County, KY, this line can swing the result even when housing or taxes look manageable.
Taxes
Taxes is $8,752 per year lower in Jefferson County, KY than in Nassau County, NY. Taxes affect take-home pay, so the gap in Jefferson County, KY 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, Nassau County, NY or Jefferson County, KY?
Jefferson County, KY is cheaper than Nassau County, NY by about $27,104 per year.
How much salary is needed in Jefferson County, KY?
A $50,000 salary in Nassau County, NY is modeled as roughly equivalent to $32,070 in Jefferson County, KY for the selected household profile.
What costs are included in this Nassau County, NY vs Jefferson County, KY 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.
