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 DuPage County, IL vs Suffolk County, MA 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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DuPage County, IL vs Suffolk County, MA: Cost of Living Difference

Is it cheaper?

DuPage County, IL is cheaper than Suffolk County, MA.

Moving to Suffolk County, MA is estimated to cost $15,991 more per year.

Cheaper County

DuPage County, ILSpend $15,991 more per year.

Salary needed

$50,000 in DuPage County, IL is about $62,155 in Suffolk County, MA.

Biggest drivers

Housing increases by $7,674 per year. Healthcare saves $21 per year.

Housing: $7,674 higher in Suffolk County, MA

Taxes: $5,124 higher in Suffolk County, MA

Childcare: about the same in both counties

Healthcare: $21 lower in Suffolk County, MA

Food: $300 higher in Suffolk County, MA

Transport: $439 higher in Suffolk County, MA

DuPage County, IL→Suffolk County, MA

Equivalent salary in Suffolk County, MA

$62,155

+24.31% higher

Current salary: $50,000

Household: 1 adult · 0 children

Median Income in DuPage County, IL: $136,376

Median Income in Suffolk County, MA: $110,193

Living Index in DuPage County, IL 48.23%

Living Index in Suffolk County, MA 74.20%

This estimate matches your purchasing power (equivalent salary) when moving from DuPage County, IL to Suffolk County, MA.

* 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 DuPage County, IL to Suffolk County, MA is estimated to cost $15,991 more per year. To maintain similar purchasing power, a $50,000 salary in DuPage County, IL would need to be about $62,155 in Suffolk County, MA. The biggest increase is housing, followed by taxes.

This is a 24.31% increase in modeled annual costs. Housing is $7,674 per year higher (37.89%); Taxes is $5,124 per year higher (33.65%).

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 Suffolk County, MA.

Biggest Cost

Largest annual cost increase when moving to Suffolk County, MA

Annual Increase:

$7,674 per year

HOUSING has the largest annual increase when moving to Suffolk County, MA.

Biggest Savings

Largest annual savings when moving to Suffolk County, MA

Annual Savings:

$21 per year

HEALTHCARE has the largest annual savings when moving to Suffolk County, MA.

Breakdown of price percentages per category.

Numbers are average costs per section.

Category	Difference
Housing	37.89% higher
DuPage County, IL Suffolk County, MA Average Cost $20251.00 $27925.00 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	6.28% higher
DuPage County, IL Suffolk County, MA Average Cost $4777.00 $5077.00 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	3.46% higher
DuPage County, IL Suffolk County, MA Average Cost $12693.00 $13132.00 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	-0.42% lower
DuPage County, IL Suffolk County, MA Average Cost $5054.00 $5033.00 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	31.87% higher
DuPage County, IL Suffolk County, MA Average Cost $7770.00 $10246.00 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
DuPage County, IL Suffolk County, MA 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	33.65% higher
DuPage County, IL Suffolk County, MA Average Cost $15228.00 $20352.00 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 Suffolk County, MA, modeled annual costs are $81,765 compared with $65,774 in DuPage County, IL.

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

In this case Suffolk County, MA and DuPage County, IL are both metropolitan locations.

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