Salary needed
A $50,000 salary in King County, WA would need to be about $33,250 in Benton County, WA, or $16,750 less, to match the modeled cost ratio.
King County, WA vs Benton County, WA: Cost of Living Difference
Is it cheaper?
Benton County, WA is cheaper than King County, WA.
Moving to Benton County, WA is estimated to save $24,607 per year.
Cheaper County
Benton County, WASave about $24,607 per year.Salary needed
$50,000 in King County, WA is about $33,250 in Benton County, WA.
Biggest drivers
Transport increases by $1,455 per year. Housing saves $13,848 per year.
Housing: $13,848 lower in Benton County, WA
Taxes: $6,626 lower in Benton County, WA
Childcare: about the same in both counties
Healthcare: $276 lower in Benton County, WA
Food: $773 lower in Benton County, WA
Transport: $1,455 higher in Benton County, WA
King County, WA→Benton County, WA
Equivalent salary in Benton County, WA
$33,250
-33.5% lower
Current salary: $50,000
Household: 1 adult · 0 children
Median Income in King County, WA: $154,490
Median Income in Benton County, WA: $103,290
Living Index in King County, WA 47.55%
Living Index in Benton County, WA 47.29%
This estimate matches your purchasing power (equivalent salary) when moving from King County, WA to Benton County, WA.
* 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 King County, WA to Benton County, WA is estimated to save $24,607 per year. A $50,000 salary in King County, WA would have similar purchasing power to about $33,250 in Benton County, WA. The largest savings come from housing and taxes.
This is a -33.5% decrease in modeled annual costs. Housing is $13,848 per year lower (-50.61%); Taxes is $6,626 per year lower (-46.21%).
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 King County, WA and Benton County, WA, so the page highlights the budget tradeoffs behind the total.
Affordability vs median income
Modeled annual costs equal about 47.5% of median family income in King County, WA and 47.3% in Benton County, WA. This matters because a cheaper county can still feel tight if typical local incomes are also lower.
Housing
Housing is $13,848 per year lower in Benton County, WA than in King County, WA. Housing usually behaves like a fixed monthly commitment, so this matters most for renters or buyers checking whether Benton County, WA changes their baseline budget.
Food
Food is $773 per year lower in Benton County, WA than in King County, WA. Food costs affect weekly cash flow, so even a smaller annual gap in Benton County, WA can show up quickly for households that cook most meals at home.
Transportation
Transportation is $1,455 per year higher in Benton County, WA than in King County, WA. Transportation matters for commuters because driving distance, vehicle costs, and transit access can change how much of a salary is left after getting around Benton County, WA.
Healthcare
Healthcare is $276 per year lower in Benton County, WA than in King County, WA. Healthcare differences are useful for planning premiums and out-of-pocket exposure, especially if Benton County, WA changes provider networks or plan options.
Other necessities
Other necessities is $4,540 per year lower in Benton County, WA than in King County, WA. Other necessities cover everyday basics, so changes in Benton County, WA help explain the non-housing costs that can quietly add up month after month.
Childcare
Childcare is about the same in King County, WA and Benton County, WA, so this category is not a major driver of the modeled gap. Childcare is most important for households with children; in Benton County, WA, this line can swing the result even when housing or taxes look manageable.
Taxes
Taxes is $6,626 per year lower in Benton County, WA than in King County, WA. Taxes affect take-home pay, so the gap in Benton County, WA 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 Benton County, WA.
Biggest Cost
Largest annual cost increase when moving to Benton County, WA
Annual Increase:
$1,455 per year
TRANSPORT has the largest annual increase when moving to Benton County, WA.
Biggest Savings
Largest annual savings when moving to Benton County, WA
Annual Savings:
$13,848 per year
HOUSING has the largest annual savings when moving to Benton County, WA.
Breakdown of price percentages per category.
Numbers are average costs per section.
| Category | Difference | |
|---|---|---|
| Housing | -51% lower | |
| Food | -15% lower | |
| Transport | 12% higher | |
| Healthcare | -6% lower | |
| Other Costs | -45% lower | |
| Childcare | 0% higher | |
| Taxes | -46% lower |
In Benton County, WA, modeled annual costs are $48,848 compared with $73,455 in King County, WA.
Overall, annual costs are lower in Benton County, WA. The category breakdown above shows where the move creates the most room in the budget.
In this case Benton County, WA and King County, WA are both metropolitan locations.
Use our map to visually compare multiple counties at once.
