Can I Afford to Live in Seattle vs Boston on $100K?

Here's how a $100K/year salary plays out in both cities after taxes, rent, and core living expenses โ€” based on Q1 2026 data.

Seattle, WA
$6,321/mo take-home
Rent: $2,400/mo (38% of take-home)
Tight
Boston, MA
$5,904/mo take-home
Rent: $3,000/mo (51% of take-home)
Difficult

Monthly budget breakdown

Expense
Seattle
WA
Boston
MA
Monthly take-home (est.)$6,321$5,904
1BR rent$2,400$3,000
Groceries (est.)$410$418
Transport (est.)$100$90
Utilities$120$185
Internet$65$70
Left after essentials$3,226/month$2,141/month
Seattle (Washington) has no state income tax, boosting take-home vs Boston (MA rate: 5%).

Frequently asked questions

Is $100K a good salary in Seattle?

At $100K/year in Seattle, your estimated monthly take-home is $6,321. With 1BR rent around $2,400/month, rent takes up 38% of your take-home. That's considered tight.

Is $100K a good salary in Boston?

At $100K/year in Boston, your estimated monthly take-home is $5,904. With 1BR rent around $3,000/month, rent takes up 51% of your take-home. That's considered difficult.

Which city is more affordable on a $100K salary?

Seattle leaves you with more money after core expenses โ€” $3,226/month vs $2,141/month in Boston.

Can I afford to live alone in Seattle on $100K?

It's tight. Rent in Seattle would take 38% of your $100K take-home pay. You may need to find roommates or look at studios to stay within the 30% rule.

Compare other salary bands โ€” Seattle vs Boston

See the full cost-of-living comparison

Rent, groceries, taxes, transportation, and more โ€” side by side.

Full comparison

Take-home estimates use simplified federal/state brackets and do not account for pre-tax deductions, 401(k), or local taxes. Data: Zillow, BLS, Numbeo ยท Q1 2026 ยท For general guidance only