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 Middlesex County, MA vs Snohomish 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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Middlesex County, MA vs Snohomish County, WA: Cost of Living Difference

Is it cheaper?

Snohomish County, WA is cheaper than Middlesex County, MA.

Moving to Snohomish County, WA is estimated to save $7,498 per year.

Cheaper County

Snohomish County, WASave about $7,498 per year.

Salary needed

$50,000 in Middlesex County, MA is about $45,235 in Snohomish County, WA.

Biggest drivers

Transport increases by $1,147 per year. Taxes saves $5,612 per year.

Housing: $1,795 lower in Snohomish County, WA

Taxes: $5,612 lower in Snohomish County, WA

Childcare: about the same in both counties

Healthcare: $257 lower in Snohomish County, WA

Food: $323 lower in Snohomish County, WA

Transport: $1,147 higher in Snohomish County, WA

Middlesex County, MA→Snohomish County, WA

Equivalent salary in Snohomish County, WA

$45,235

-9.53% lower

Current salary: $50,000

Household: 1 adult · 0 children

Median Income in Middlesex County, MA: $160,640

Median Income in Snohomish County, WA: $127,475

Living Index in Middlesex County, MA 48.98%

Living Index in Snohomish County, WA 55.84%

This estimate matches your purchasing power (equivalent salary) when moving from Middlesex County, MA to Snohomish 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 Middlesex County, MA to Snohomish County, WA is estimated to save $7,498 per year. A $50,000 salary in Middlesex County, MA would have similar purchasing power to about $45,235 in Snohomish County, WA. The largest savings come from taxes and housing.

This is a 9.53% decrease in modeled annual costs. Taxes is $5,612 per year lower (29.12%); Housing is $1,795 per year lower (6.68%).

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 Snohomish County, WA.

Biggest Cost

Largest annual cost increase when moving to Snohomish County, WA

Annual Increase:

$1,147 per year

TRANSPORT has the largest annual increase when moving to Snohomish County, WA.

Biggest Savings

Largest annual savings when moving to Snohomish County, WA

Annual Savings:

$5,612 per year

TAXES has the largest annual savings when moving to Snohomish County, WA.

Breakdown of price percentages per category.

Numbers are average costs per section.

Category	Difference
Housing	-6.68% lower
Middlesex County, MA Snohomish County, WA Average Cost $26884.00 $25089.00 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	-6.39% lower
Middlesex County, MA Snohomish County, WA Average Cost $5054.00 $4731.00 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	9.10% higher
Middlesex County, MA Snohomish County, WA Average Cost $12598.00 $13745.00 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	-5.19% lower
Middlesex County, MA Snohomish County, WA Average Cost $4956.00 $4699.00 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	-6.64% lower
Middlesex County, MA Snohomish County, WA Average Cost $9916.00 $9258.00 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
Middlesex County, MA Snohomish 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	-29.12% lower
Middlesex County, MA Snohomish County, WA Average Cost $19273.00 $13661.00 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 Snohomish County, WA, modeled annual costs are $71,183 compared with $78,681 in Middlesex County, MA.

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

In this case Snohomish County, WA and Middlesex County, MA are both metropolitan locations.

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