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

Is it cheaper?

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

Moving to Union County, GA is estimated to save $25,947 per year.

Cheaper cost of living

Cheaper County

Union County, GASave about $25,947 per year.

Salary needed

$50,000 in Gwinnett County, GA is about $31,080 in Union County, GA.

Biggest drivers

Transport increases by $6 per year. Housing saves $12,628 per year.

Housing: $12,628 lower in Union County, GA

Taxes: $7,873 lower in Union County, GA

Childcare: about the same in both counties

Healthcare: $1,426 lower in Union County, GA

Food: $81 lower in Union County, GA

Transport: $6 higher in Union County, GA

Gwinnett County, GAUnion County, GA
Equivalent salary in Union County, GA
$31,080
-37.84% lower
Current salary: $50,000
Household: 1 adult · 0 children
Median Income in Gwinnett County, GA: $97,369
Median Income in Union County, GA: $83,996
Living Index in Gwinnett County, GA 70.42%
Living Index in Union County, GA 50.74%

This estimate matches your purchasing power (equivalent salary) when moving from Gwinnett County, GA to Union 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 Union County, GA is estimated to save $25,947 per year. A $50,000 salary in Gwinnett County, GA would have similar purchasing power to about $31,080 in Union County, GA. The largest savings come from housing and taxes.

This is a -37.84% decrease in modeled annual costs. Housing is $12,628 per year lower (-60.57%); Taxes is $7,873 per year lower (-48.68%).

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 Union 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 $31,080 in Union County, GA, or $18,920 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 50.7% in Union County, GA. This matters because a cheaper county can still feel tight if typical local incomes are also lower.

Housing

Housing is $12,628 per year lower in Union 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 Union County, GA changes their baseline budget.

Food

Food is $81 per year lower in Union County, GA than in Gwinnett County, GA. Food costs affect weekly cash flow, so even a smaller annual gap in Union County, GA can show up quickly for households that cook most meals at home.

Transportation

Transportation is $6 per year higher in Union 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 Union County, GA.

Healthcare

Healthcare is $1,426 per year lower in Union County, GA than in Gwinnett County, GA. Healthcare differences are useful for planning premiums and out-of-pocket exposure, especially if Union County, GA changes provider networks or plan options.

Other necessities

Other necessities is $3,946 per year lower in Union County, GA than in Gwinnett County, GA. Other necessities cover everyday basics, so changes in Union 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 Union County, GA, so this category is not a major driver of the modeled gap. Childcare is most important for households with children; in Union County, GA, this line can swing the result even when housing or taxes look manageable.

Taxes

Taxes is $7,873 per year lower in Union County, GA than in Gwinnett County, GA. Taxes affect take-home pay, so the gap in Union 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 Union County, GA.

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

$6 per year

TRANSPORT has the largest annual increase when moving to Union County, GA.

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

$12,628 per year

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

Breakdown of price percentages per category.

Numbers are average costs per section.

CategoryDifference
Housing-61% lower
Food-2% lower
Transport0% higher
Healthcare-23% lower
Other Costs-51% lower
Childcare0% higher
Taxes-49% lower

In Union County, GA, modeled annual costs are $42,620 compared with $68,567 in Gwinnett County, GA.

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

In this case Union County, GA is not a metropolitan location, while Gwinnett County, GA is a metropolitan location.

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