What does WatchPennies calculate?

WatchPennies estimates cost of living by US county across housing, food, transportation, healthcare, childcare, other necessities, taxes, and income context.

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Can I compare two counties on WatchPennies?

Yes. WatchPennies lets you compare counties and adjust salary and family type to estimate relative cost differences.

What does the Allegheny County, PA vs Pierce County, WA comparison show?

It compares estimated living costs by category, including housing, food, transportation, healthcare, childcare, other necessities, taxes, and income context.

Can I change the salary and family type?

Yes. The comparison calculator supports salary and family type inputs so you can model costs for different households.

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Allegheny County, PA vs Pierce County, WA: Cost of Living Difference

Is it cheaper?

Allegheny County, PA is cheaper than Pierce County, WA.

Moving to Pierce County, WA is estimated to cost $9,087 more per year.

Cheaper County

Allegheny County, PASpend $9,087 more per year.

Salary needed

$50,000 in Allegheny County, PA is about $59,695 in Pierce County, WA.

Biggest drivers

Housing increases by $4,804 per year. Food saves $104 per year.

Housing: $4,804 higher in Pierce County, WA

Taxes: $545 higher in Pierce County, WA

Childcare: about the same in both counties

Healthcare: $663 higher in Pierce County, WA

Food: $104 lower in Pierce County, WA

Transport: $1,722 higher in Pierce County, WA

Allegheny County, PA→Pierce County, WA

Equivalent salary in Pierce County, WA

$59,695

+19.39% higher

Current salary: $50,000

Household: 1 adult · 0 children

Median Income in Allegheny County, PA: $106,527

Median Income in Pierce County, WA: $111,126

Living Index in Allegheny County, PA 43.99%

Living Index in Pierce County, WA 50.35%

This estimate matches your purchasing power (equivalent salary) when moving from Allegheny County, PA to Pierce County, WA.

* 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 Allegheny County, PA to Pierce County, WA is estimated to cost $9,087 more per year. To maintain similar purchasing power, a $50,000 salary in Allegheny County, PA would need to be about $59,695 in Pierce County, WA. The biggest increase is housing, followed by transport.

This is a 19.39% increase in modeled annual costs. Housing is $4,804 per year higher (37.11%); Transport is $1,722 per year higher (15.7%).

Below we break down the annual categories behind the difference using Economic Policy Institute 2026 Family Budget data.

What changed the most?

The following cards show the annual category differences that most affect the move to Pierce County, WA.

Biggest Cost

Largest annual cost increase when moving to Pierce County, WA

Annual Increase:

$4,804 per year

HOUSING has the largest annual increase when moving to Pierce County, WA.

Biggest Savings

Largest annual savings when moving to Pierce County, WA

Annual Savings:

$104 per year

FOOD has the largest annual savings when moving to Pierce County, WA.

Breakdown of price percentages per category.

Numbers are average costs per section.

Category	Difference
Housing	37.11% higher
Allegheny County, PA Pierce County, WA Average Cost $12944.00 $17748.00 INFO: Housing costs are based on Department of Housing and Urban Development data. The estimate uses 40th percentile rent for privately owned rental units in each area. Studio apartments are paired with one-adult households, one-bedroom apartments with two-adult households, and two-bedroom apartments with households that have children.
Food	-2.21% lower
Allegheny County, PA Pierce County, WA Average Cost $4708.00 $4604.00 INFO: Food costs are based on the U.S. Department of Agriculture's food plans. Numbers are normalized to each area using Feeding America and Meal Gap data. This estimate assumes most food is bought at local grocery stores and prepared at home.
Transport	15.70% higher
Allegheny County, PA Pierce County, WA Average Cost $10967.00 $12689.00 INFO: Transportation costs are a combination of auto ownership, auto use, and public transit. Data is collected from the Center for Neighborhood Technology (CNT).
Healthcare	16.62% higher
Allegheny County, PA Pierce County, WA Average Cost $3989.00 $4652.00 INFO: Healthcare expenses come from average insurance premiums and out-of-pocket costs. The estimate assumes families purchase the lowest-cost available insurance plan under the Affordable Care Act. Data comes from Kaiser Family Foundation and the U.S. Department of Health and Human Services (HHS).
Other Costs	26.62% higher
Allegheny County, PA Pierce County, WA Average Cost $5481.00 $6940.00 INFO: This cost is calculated through the average spending of categories deemed necessary by the Bureau of Labor Statistics Consumer Expenditure Survey. These include apparel, personal care, household supplies, reading materials, and school supplies.
Childcare	0.00% higher
Allegheny County, PA Pierce County, WA Average Cost $0.00 $0.00 INFO: Childcare expenses are based on combined costs for center-based care and family-based care for 4-year-olds and school-aged children. For households with one child, the estimate assumes the child is 4 years old. For households with two children, the estimate assumes the second child is 8 years old.
Taxes	6.21% higher
Allegheny County, PA Pierce County, WA Average Cost $8773.00 $9318.00 INFO: Taxes are calculated from the National Bureau of Economic Research. The number weighs in personal income tax, state income tax, federal Social Security, and Medicare taxes.

In Pierce County, WA, modeled annual costs are $55,950 compared with $46,863 in Allegheny County, PA.

Overall, annual costs are higher in Pierce County, WA. The category breakdown above shows whether housing, taxes, transportation, healthcare, food, childcare, or other necessities are driving the increase.

In this case Pierce County, WA and Allegheny County, PA are both metropolitan locations.

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