Salary needed
A $50,000 salary in Williamson County, TN would need to be about $29,220 in DeKalb County, TN, or $20,780 less, to match the modeled cost ratio.
Williamson County, TN vs DeKalb County, TN: Cost of Living Difference
Is it cheaper?
DeKalb County, TN is cheaper than Williamson County, TN.
Moving to DeKalb County, TN is estimated to save $30,619 per year.
Cheaper County
DeKalb County, TNSave about $30,619 per year.Salary needed
$50,000 in Williamson County, TN is about $29,220 in DeKalb County, TN.
Biggest drivers
Transport increases by $246 per year. Housing saves $16,364 per year.
Housing: $16,364 lower in DeKalb County, TN
Taxes: $7,831 lower in DeKalb County, TN
Childcare: about the same in both counties
Healthcare: $32 lower in DeKalb County, TN
Food: $1,188 lower in DeKalb County, TN
Transport: $246 higher in DeKalb County, TN
Williamson County, TN→DeKalb County, TN
Equivalent salary in DeKalb County, TN
$29,220
-41.56% lower
Current salary: $50,000
Household: 1 adult · 0 children
Median Income in Williamson County, TN: $153,397
Median Income in DeKalb County, TN: $63,622
Living Index in Williamson County, TN 48.03%
Living Index in DeKalb County, TN 67.68%
This estimate matches your purchasing power (equivalent salary) when moving from Williamson County, TN to DeKalb County, TN.
* 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 Williamson County, TN to DeKalb County, TN is estimated to save $30,619 per year. A $50,000 salary in Williamson County, TN would have similar purchasing power to about $29,220 in DeKalb County, TN. The largest savings come from housing and taxes.
This is a -41.56% decrease in modeled annual costs. Housing is $16,364 per year lower (-65.76%); Taxes is $7,831 per year lower (-54.36%).
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 Williamson County, TN and DeKalb County, TN, so the page highlights the budget tradeoffs behind the total.
Affordability vs median income
Modeled annual costs equal about 48.0% of median family income in Williamson County, TN and 67.7% in DeKalb County, TN. This matters because a cheaper county can still feel tight if typical local incomes are also lower.
Housing
Housing is $16,364 per year lower in DeKalb County, TN than in Williamson County, TN. Housing usually behaves like a fixed monthly commitment, so this matters most for renters or buyers checking whether DeKalb County, TN changes their baseline budget.
Food
Food is $1,188 per year lower in DeKalb County, TN than in Williamson County, TN. Food costs affect weekly cash flow, so even a smaller annual gap in DeKalb County, TN can show up quickly for households that cook most meals at home.
Transportation
Transportation is $246 per year higher in DeKalb County, TN than in Williamson County, TN. Transportation matters for commuters because driving distance, vehicle costs, and transit access can change how much of a salary is left after getting around DeKalb County, TN.
Healthcare
Healthcare is $32 per year lower in DeKalb County, TN than in Williamson County, TN. Healthcare differences are useful for planning premiums and out-of-pocket exposure, especially if DeKalb County, TN changes provider networks or plan options.
Other necessities
Other necessities is $5,450 per year lower in DeKalb County, TN than in Williamson County, TN. Other necessities cover everyday basics, so changes in DeKalb County, TN help explain the non-housing costs that can quietly add up month after month.
Childcare
Childcare is about the same in Williamson County, TN and DeKalb County, TN, so this category is not a major driver of the modeled gap. Childcare is most important for households with children; in DeKalb County, TN, this line can swing the result even when housing or taxes look manageable.
Taxes
Taxes is $7,831 per year lower in DeKalb County, TN than in Williamson County, TN. Taxes affect take-home pay, so the gap in DeKalb County, TN 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 DeKalb County, TN.
Biggest Cost
Largest annual cost increase when moving to DeKalb County, TN
Annual Increase:
$246 per year
TRANSPORT has the largest annual increase when moving to DeKalb County, TN.
Biggest Savings
Largest annual savings when moving to DeKalb County, TN
Annual Savings:
$16,364 per year
HOUSING has the largest annual savings when moving to DeKalb County, TN.
Breakdown of price percentages per category.
Numbers are average costs per section.
| Category | Difference | |
|---|---|---|
| Housing | -66% lower | |
| Food | -23% lower | |
| Transport | 2% higher | |
| Healthcare | -1% lower | |
| Other Costs | -58% lower | |
| Childcare | 0% higher | |
| Taxes | -54% lower |
In DeKalb County, TN, modeled annual costs are $43,060 compared with $73,679 in Williamson County, TN.
Overall, annual costs are lower in DeKalb County, TN. The category breakdown above shows where the move creates the most room in the budget.
In this case DeKalb County, TN is not a metropolitan location, while Williamson County, TN is a metropolitan location.
Use our map to visually compare multiple counties at once.
