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College Cost Calculator for Seattle, WA
Local data pre-filled
Planning for college from Seattle, WA? In-state tuition at Washington public universities, combined with the local cost of living (index: 156), determines your true 4-year cost. Estimate tuition, room & board, and see how 529 plans or financial aid could help.
✓ Calculator below is pre-filled with Seattle local data
Data as of · Sources: Zillow, Census ACS, Tax Foundation, Freddie Mac
Washington Financial Snapshot (2026) — College Cost Calculator
Median income and COL frame affordability for the college cost calculator in Washington.
How the College Cost Calculator Math Works Under Washington Law
The College Cost Calculator runs a well-known formula (principal × rate, discounted cash flow, amortization, or equivalent) client-side and layers on Washington's tax and cost-of-living inputs. State-specific numbers — brackets, exemptions, and averages — come from public federal / state datasets cited in the sources section.
Local context: Seattle, WA
Housing economics in Seattle, WA. The median home value runs 109.9% above the U.S. baseline for Seattle, WA is $751,552 per Zillow's home-value index. Median rent runs $2,192 a month per Zillow ZORI, a premium over the national $1,850 baseline. Effective property tax sits at 0.92% of assessed value, below the 0.99% national average tracked by the Tax Foundation.
Income and tax climate. Washington's top marginal state income tax bracket lands at 0.00% — one of nine states that levies no broad-based income tax, shifting the revenue burden onto sales, property, and severance levies. BEA's Regional Price Parity scores Seattle, WA at 156.0 (national = 100), meaning a dollar in Seattle, WA buys 64¢ of national purchasing power.
Local context as of 2026-04-19.
Seattle versus the U.S. baseline
| Metric | Seattle, WA | U.S. baseline | Difference |
|---|---|---|---|
| Median home value[zillow] | $751,552 | $358,000 | 109.9% |
| Median monthly rent[zillow] | $2,192 | $1,850 | 18.5% |
| Property tax (effective)[tax-foundation] | 0.92% | 0.99% | -7.1% |
| State top marginal income tax[tax-foundation] | None | ~4.08% (volume-weighted) | −4.08 pp |
| State cost-of-living index[bea-rpp] | 156.0 | 100.0 | 56.0 pts |
How to use the College Cost Calculator
Walk through using the College Cost Calculator with Seattle, WA-specific defaults pre-loaded from primary sources.
- Enter your Seattle numbersFill in the college cost inputs. Defaults reflect Seattle, WA 2026: median home $751,552, median rent $2,192/mo, 0.92% effective property tax.
- Apply the local 2026 inputsThe median home value in Seattle is $751,552 (Zillow ZHVI), with median monthly rent running $2,192/mo.
- Compare against Seattle contextMonthly PITI on the $751,552 median home in Seattle is ~$4,712/mo — vs a $2,192/mo median rent.
How Washington Compares to Neighboring States
| State | Median home | Top inc tax | Prop tax rate | RPP (US=100) |
|---|---|---|---|---|
| Washington (this page) | $615,000 | None | 0.98% | 108.4 |
| Idaho | $465,000 | 5.70% | 0.69% | 92.2 |
| check Oregon | $490,000 | 9.90% | 0.87% | 104.8 |
Sources: Zillow ZHVI[1], state Departments of Revenue / Tax Foundation[2], Tax Foundation property taxes[3], BEA Regional Price Parities[4].
What Changes Your Result in Washington
- Washington cost-of-living drag:Line-item costs in Washington deviate from the US mean by whatever the BEA all-items RPP deviates from 100. Weight your budget toward the state average rather than the national average.
How Seattle Compares to the National Average
Understanding how Seattle stacks up helps you calibrate your financial planning.
| Metric | Seattle, WA | US Average | Difference |
|---|---|---|---|
| Median Home Price | $751,552 | $420,800 | +78.6% |
| Median Monthly Rent | $2,192 | $1,713 | +28.0% |
| Median Household Income | $112,594 | $74,580 | +51.0% |
| Property Tax Rate | 0.92% | 1.10% | -16.4% |
| Cost of Living Index | 156 | 100 | +56.0% |
Sources: U.S. Census Bureau, BLS, Zillow, NAR (2024–2025). Green = favorable for residents; red = less favorable.
Seattle Financial Snapshot
- Population (Metro)
- 4,100,000
- Unemployment
- 3.4%
- Avg Commute
- 30 min
- Median Age
- 36.5
- Price-to-Rent Ratio
- 28.6x
- Annual Property Tax
- $6,914
More Financial Calculators for Seattle, WA
Frequently Asked Questions — Seattle
- Can median-income households afford the median home in Seattle?
- With a ~$4,712 monthly PITI and $112,594 median income, housing would consume ~50.2% of gross annual income. Qualifying under the 28% DTI rule requires ~$201,943 in annual income. Educational reference only.
- Is it better to rent or buy in Seattle?
- Seattle's price-to-rent ratio (28.6x) tilts toward renting — above 20x, buying is generally expensive relative to renting.
- What is the annual property tax bill on the median home in Seattle?
- Approximately $6,914/yr at the 0.92% effective rate on the $751,552 median home. The national average effective rate is 1.07%.
- What share of median income goes to rent in Seattle?
- The $2,192/mo median rent represents 23.4% of the $112,594 median household income. The recommended housing cost threshold is 30%; Seattle falls within that guideline. Educational reference only.
- How much does commuting cost in Seattle?
- Average commute time in Seattle is 30 minutes per ACS. Estimated annual commute cost runs about $4,600. Educational reference only.
- How does the cost of living in Seattle compare to the national average?
- Seattle's BEA RPP index is 156, 56% above the national baseline of 100. For a household earning the national median income of $77,540, this translates to ~$43,422/yr in purchasing power difference. Educational reference only.
- What is the median home price in Seattle, WA?
- The median home price in Seattle is $751,552 as of 2025–2026.
- What is the average rent in Seattle?
- The median monthly rent in Seattle, WA is $2,192.
- Does the college cost replace professional advice?
- No. This calculator gives educational estimates using public Seattle data and standard formulas. It is not personalized tax, legal, or investment advice. Consult a licensed professional for decisions with material consequences.
How we compute this — methodology
The Seattle page uses local median home price ($751,552), median rent ($2,192/mo), and property tax rate (0.92%) alongside the calculator's client-side formula. Calculations run in your browser — no inputs are sent to a server.
Known limits: ZIP-level variance within Seattle can be substantial — the figures shown are city-wide medians. For a precise property tax quote, consult your county assessor.
Sources
- Zillow Research — ZHVI (Zillow Home Value Index) + ZORI (Zillow Observed Rent Index), city-level. zillow.com/research/data. Retrieved 2026-04-19.
- U.S. Census Bureau — American Community Survey (ACS) 5-year estimates for median household income and population. census.gov/programs-surveys/acs.
- CalcFi state financial context — tips + first-time homebuyer programs compiled from each state's Housing Finance Authority (HFA) public pages. See
src/data/state-financial-context.ts. - Tax Foundation — state property tax effective rates and state/local sales tax rates. taxfoundation.org.
- Freddie Mac Primary Mortgage Market Survey (PMMS) — weekly national mortgage rate averages used by mortgage-related calculators. freddiemac.com/pmms.
- BLS Occupational Employment and Wage Statistics (OEWS) — state-level occupational wages — www.bls.gov/oes. Retrieved 2026-04-19.
- Internal Revenue Service — federal individual income tax brackets and standard deductions — www.irs.gov/forms-pubs/about-publication-17. Retrieved 2026-04-19.
- Freddie Mac Primary Mortgage Market Survey (PMMS) — weekly national mortgage rates — www.freddiemac.com/pmms. Retrieved 2026-04-19.
- NAIC Dwelling Fire, Homeowners Owners, and Homeowners Tenants Insurance Report — content.naic.org/article/homeowners-insurance-report. Retrieved 2026-04-19.
- State Departments of Revenue — official bracket + deduction publications (one primary URL per state; linked in the brackets table below) — taxfoundation.org/data/all/state/state-income-tax-rates. Retrieved 2026-04-19.
- Bureau of Economic Analysis — Regional Price Parities by State — www.bea.gov/data/prices-inflation/regional-price-parities-state-and-metro-area. Retrieved 2026-04-19.
- U.S. Department of Labor — State Minimum Wage Laws — www.dol.gov/agencies/whd/minimum-wage/state. Retrieved 2026-04-19.
- FRED (Federal Reserve Economic Data) — real median household income, unemployment, HPI, LFPR per state — fred.stlouisfed.org. Retrieved 2026-04-19.
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