Arlington County, VA vs Petersburg city, VA: Cost of Living Difference

Is it cheaper?

Petersburg city, VA is cheaper than Arlington County, VA.

Moving to Petersburg city, VA is estimated to save $27,514 per year.

Cheaper cost of living

Cheaper County

Petersburg city, VASave about $27,514 per year.

Salary needed

$50,000 in Arlington County, VA is about $32,255 in Petersburg city, VA.

Biggest drivers

Transport increases by $867 per year. Housing saves $13,074 per year.

Housing: $13,074 lower in Petersburg city, VA

Taxes: $9,170 lower in Petersburg city, VA

Childcare: about the same in both counties

Healthcare: $189 higher in Petersburg city, VA

Food: $1,731 lower in Petersburg city, VA

Transport: $867 higher in Petersburg city, VA

Arlington County, VAPetersburg city, VA
Equivalent salary in Petersburg city, VA
$32,255
-35.49% lower
Current salary: $50,000
Household: 1 adult · 0 children
Median Income in Arlington County, VA: $194,878
Median Income in Petersburg city, VA: $64,110
Living Index in Arlington County, VA 39.78%
Living Index in Petersburg city, VA 78.00%

This estimate matches your purchasing power (equivalent salary) when moving from Arlington County, VA to Petersburg city, VA.

* 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 Arlington County, VA to Petersburg city, VA is estimated to save $27,514 per year. A $50,000 salary in Arlington County, VA would have similar purchasing power to about $32,255 in Petersburg city, VA. The largest savings come from housing and taxes.

This is a -35.49% decrease in modeled annual costs. Housing is $13,074 per year lower (-47.48%); Taxes is $9,170 per year lower (-47.38%).

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 Arlington County, VA and Petersburg city, VA, so the page highlights the budget tradeoffs behind the total.

Salary needed

A $50,000 salary in Arlington County, VA would need to be about $32,255 in Petersburg city, VA, or $17,745 less, to match the modeled cost ratio.

Affordability vs median income

Modeled annual costs equal about 39.8% of median family income in Arlington County, VA and 78.0% in Petersburg city, VA. This matters because a cheaper county can still feel tight if typical local incomes are also lower.

Housing

Housing is $13,074 per year lower in Petersburg city, VA than in Arlington County, VA. Housing usually behaves like a fixed monthly commitment, so this matters most for renters or buyers checking whether Petersburg city, VA changes their baseline budget.

Food

Food is $1,731 per year lower in Petersburg city, VA than in Arlington County, VA. Food costs affect weekly cash flow, so even a smaller annual gap in Petersburg city, VA can show up quickly for households that cook most meals at home.

Transportation

Transportation is $867 per year higher in Petersburg city, VA than in Arlington County, VA. Transportation matters for commuters because driving distance, vehicle costs, and transit access can change how much of a salary is left after getting around Petersburg city, VA.

Healthcare

Healthcare is $189 per year higher in Petersburg city, VA than in Arlington County, VA. Healthcare differences are useful for planning premiums and out-of-pocket exposure, especially if Petersburg city, VA changes provider networks or plan options.

Other necessities

Other necessities is $4,597 per year lower in Petersburg city, VA than in Arlington County, VA. Other necessities cover everyday basics, so changes in Petersburg city, VA help explain the non-housing costs that can quietly add up month after month.

Childcare

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

Taxes

Taxes is $9,170 per year lower in Petersburg city, VA than in Arlington County, VA. Taxes affect take-home pay, so the gap in Petersburg city, VA 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 Petersburg city, VA.

Biggest Cost
Largest annual cost increase when moving to Petersburg city, VA
Annual Increase:

$867 per year

TRANSPORT has the largest annual increase when moving to Petersburg city, VA.

Biggest Savings
Largest annual savings when moving to Petersburg city, VA
Annual Savings:

$13,074 per year

HOUSING has the largest annual savings when moving to Petersburg city, VA.

Breakdown of price percentages per category.

Numbers are average costs per section.

CategoryDifference
Housing-47% lower
Food-31% lower
Transport8% higher
Healthcare4% higher
Other Costs-45% lower
Childcare0% higher
Taxes-47% lower

In Petersburg city, VA, modeled annual costs are $50,003 compared with $77,517 in Arlington County, VA.

Overall, annual costs are lower in Petersburg city, VA. The category breakdown above shows where the move creates the most room in the budget.

In this case Petersburg city, VA and Arlington County, VA are both metropolitan locations.

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Cost of living methodology and data sources
Arlington County, VA vs Petersburg city, VA Cost of Living (2026)