Williamson County, TN vs Marion County, TN: Cost of Living Difference

Is it cheaper?

Marion County, TN is cheaper than Williamson County, TN.

Moving to Marion County, TN is estimated to save $26,410 per year.

Cheaper cost of living

Cheaper County

Marion County, TNSave about $26,410 per year.

Salary needed

$50,000 in Williamson County, TN is about $32,080 in Marion County, TN.

Biggest drivers

Transport increases by $141 per year. Housing saves $13,487 per year.

Housing: $13,487 lower in Marion County, TN

Taxes: $7,003 lower in Marion County, TN

Childcare: about the same in both counties

Healthcare: $435 lower in Marion County, TN

Food: $1,096 lower in Marion County, TN

Transport: $141 higher in Marion County, TN

Williamson County, TNMarion County, TN
Equivalent salary in Marion County, TN
$32,080
-35.84% lower
Current salary: $50,000
Household: 1 adult · 0 children
Median Income in Williamson County, TN: $153,397
Median Income in Marion County, TN: $67,433
Living Index in Williamson County, TN 48.03%
Living Index in Marion County, TN 70.10%

This estimate matches your purchasing power (equivalent salary) when moving from Williamson County, TN to Marion 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 Marion County, TN is estimated to save $26,410 per year. A $50,000 salary in Williamson County, TN would have similar purchasing power to about $32,080 in Marion County, TN. The largest savings come from housing and taxes.

This is a -35.84% decrease in modeled annual costs. Housing is $13,487 per year lower (-54.2%); Taxes is $7,003 per year lower (-48.61%).

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 Marion County, TN, so the page highlights the budget tradeoffs behind the total.

Salary needed

A $50,000 salary in Williamson County, TN would need to be about $32,080 in Marion County, TN, or $17,920 less, to match the modeled cost ratio.

Affordability vs median income

Modeled annual costs equal about 48.0% of median family income in Williamson County, TN and 70.1% in Marion County, TN. This matters because a cheaper county can still feel tight if typical local incomes are also lower.

Housing

Housing is $13,487 per year lower in Marion 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 Marion County, TN changes their baseline budget.

Food

Food is $1,096 per year lower in Marion County, TN than in Williamson County, TN. Food costs affect weekly cash flow, so even a smaller annual gap in Marion County, TN can show up quickly for households that cook most meals at home.

Transportation

Transportation is $141 per year higher in Marion 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 Marion County, TN.

Healthcare

Healthcare is $435 per year lower in Marion County, TN than in Williamson County, TN. Healthcare differences are useful for planning premiums and out-of-pocket exposure, especially if Marion County, TN changes provider networks or plan options.

Other necessities

Other necessities is $4,528 per year lower in Marion County, TN than in Williamson County, TN. Other necessities cover everyday basics, so changes in Marion 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 Marion County, TN, so this category is not a major driver of the modeled gap. Childcare is most important for households with children; in Marion County, TN, this line can swing the result even when housing or taxes look manageable.

Taxes

Taxes is $7,003 per year lower in Marion County, TN than in Williamson County, TN. Taxes affect take-home pay, so the gap in Marion 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 Marion County, TN.

Biggest Cost
Largest annual cost increase when moving to Marion County, TN
Annual Increase:

$141 per year

TRANSPORT has the largest annual increase when moving to Marion County, TN.

Biggest Savings
Largest annual savings when moving to Marion County, TN
Annual Savings:

$13,487 per year

HOUSING has the largest annual savings when moving to Marion County, TN.

Breakdown of price percentages per category.

Numbers are average costs per section.

CategoryDifference
Housing-54% lower
Food-21% lower
Transport1% higher
Healthcare-7% lower
Other Costs-49% lower
Childcare0% higher
Taxes-49% lower

In Marion County, TN, modeled annual costs are $47,269 compared with $73,679 in Williamson County, TN.

Overall, annual costs are lower in Marion County, TN. The category breakdown above shows where the move creates the most room in the budget.

In this case Marion County, TN and Williamson County, TN are both metropolitan locations.

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Cost of living methodology and data sources
Williamson County, TN vs Marion County, TN Cost of Living (2026)