Gwinnett County, GA vs Chatham County, GA: Cost of Living Difference

Is it cheaper?

Chatham County, GA is cheaper than Gwinnett County, GA.

Moving to Chatham County, GA is estimated to save $11,553 per year.

Cheaper cost of living

Cheaper County

Chatham County, GASave about $11,553 per year.

Salary needed

$50,000 in Gwinnett County, GA is about $41,575 in Chatham County, GA.

Biggest drivers

Food increases by $173 per year. Housing saves $4,831 per year.

Housing: $4,831 lower in Chatham County, GA

Taxes: $3,991 lower in Chatham County, GA

Childcare: about the same in both counties

Healthcare: $303 lower in Chatham County, GA

Food: $173 higher in Chatham County, GA

Transport: $1,155 lower in Chatham County, GA

Gwinnett County, GAChatham County, GA
Equivalent salary in Chatham County, GA
$41,575
-16.85% lower
Current salary: $50,000
Household: 1 adult · 0 children
Median Income in Gwinnett County, GA: $97,369
Median Income in Chatham County, GA: $85,265
Living Index in Gwinnett County, GA 70.42%
Living Index in Chatham County, GA 66.87%

This estimate matches your purchasing power (equivalent salary) when moving from Gwinnett County, GA to Chatham County, GA.

* 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 Gwinnett County, GA to Chatham County, GA is estimated to save $11,553 per year. A $50,000 salary in Gwinnett County, GA would have similar purchasing power to about $41,575 in Chatham County, GA. The largest savings come from housing and taxes.

This is a -16.85% decrease in modeled annual costs. Housing is $4,831 per year lower (-23.17%); Taxes is $3,991 per year lower (-24.68%).

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 Gwinnett County, GA and Chatham County, GA, so the page highlights the budget tradeoffs behind the total.

Salary needed

A $50,000 salary in Gwinnett County, GA would need to be about $41,575 in Chatham County, GA, or $8,425 less, to match the modeled cost ratio.

Affordability vs median income

Modeled annual costs equal about 70.4% of median family income in Gwinnett County, GA and 66.9% in Chatham County, GA. This matters because a cheaper county can still feel tight if typical local incomes are also lower.

Housing

Housing is $4,831 per year lower in Chatham County, GA than in Gwinnett County, GA. Housing usually behaves like a fixed monthly commitment, so this matters most for renters or buyers checking whether Chatham County, GA changes their baseline budget.

Food

Food is $173 per year higher in Chatham County, GA than in Gwinnett County, GA. Food costs affect weekly cash flow, so even a smaller annual gap in Chatham County, GA can show up quickly for households that cook most meals at home.

Transportation

Transportation is $1,155 per year lower in Chatham County, GA than in Gwinnett County, GA. Transportation matters for commuters because driving distance, vehicle costs, and transit access can change how much of a salary is left after getting around Chatham County, GA.

Healthcare

Healthcare is $303 per year lower in Chatham County, GA than in Gwinnett County, GA. Healthcare differences are useful for planning premiums and out-of-pocket exposure, especially if Chatham County, GA changes provider networks or plan options.

Other necessities

Other necessities is $1,447 per year lower in Chatham County, GA than in Gwinnett County, GA. Other necessities cover everyday basics, so changes in Chatham County, GA help explain the non-housing costs that can quietly add up month after month.

Childcare

Childcare is about the same in Gwinnett County, GA and Chatham County, GA, so this category is not a major driver of the modeled gap. Childcare is most important for households with children; in Chatham County, GA, this line can swing the result even when housing or taxes look manageable.

Taxes

Taxes is $3,991 per year lower in Chatham County, GA than in Gwinnett County, GA. Taxes affect take-home pay, so the gap in Chatham County, GA 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 Chatham County, GA.

Biggest Cost
Largest annual cost increase when moving to Chatham County, GA
Annual Increase:

$173 per year

FOOD has the largest annual increase when moving to Chatham County, GA.

Biggest Savings
Largest annual savings when moving to Chatham County, GA
Annual Savings:

$4,831 per year

HOUSING has the largest annual savings when moving to Chatham County, GA.

Breakdown of price percentages per category.

Numbers are average costs per section.

CategoryDifference
Housing-23% lower
Food4% higher
Transport-9% lower
Healthcare-5% lower
Other Costs-19% lower
Childcare0% higher
Taxes-25% lower

In Chatham County, GA, modeled annual costs are $57,014 compared with $68,567 in Gwinnett County, GA.

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

In this case Chatham County, GA and Gwinnett County, GA are both metropolitan locations.

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Cost of living methodology and data sources
Gwinnett County, GA vs Chatham County, GA Cost of Living (2026)