ZIP Code · WA

ZIP 98178

Part of Bryn Mawr-Skyway, WA

Pop. 26,748·King County·87th most expensive ZIP in Washington

Median rent (all units)

$2,109/mo

Year-over-Year

+5.2%

Month-over-Month

+1.9%

vs US Median

+$177

Reported rents

Rising (Monthly)

Be the first to discuss 98178 rents ↓

Most AffordableMost Expensive

ZIP 98178 · $2,109

More expensive than 67% of US ZIP codes · National median $1,932/mo

Rent check

Is your rent fair?

Compare your rent to the local median.

Medians by bedroom

Rent by unit size

Studio

$1,960

1 BR

$2,020

2 BR

$2,360

3 BR

$3,090

4 BR+

$3,630

Research median

$2,360/mo

Bedroom estimates are gross rents that include essential utilities (electricity, water, gas, sewer, trash).

Rent trends

12-month history

Loading…

Last updated: October 17, 2026

From the history

What the numbers show

Compared with the peak

Rent in ZIP 98178 is at its highest level since Zillow's records here began in January 2022.

Past year vs. the rest of Washington

Rent in ZIP 98178 changed +5.2% over the year to September 2026. Across the 193 Washington ZIP codes Zillow tracks, the typical change was +2.5%.

Recent direction

Rent has risen 4 months in a row, and rose in 8 of the last 12 months.

What a typical income covers

30% of the median household income ($99,505) is $2,488 a month. That covers HUD's Fair Market Rent for up to a 2-bedroom ($2,360); a 3-bedroom is $3,090.

Cheaper nearby

ZIP 98188, 4 miles away, rents for 10% less ($1,889/mo), about $2,600 a year in savings.

From Zillow's monthly rent index (ZORI) for ZIP 98178. Income is the Census median household income (5-year estimates). Fair Market Rents are HUD’s, which include utilities.

Annual cost

$25,308/yr

At $2,109/mo median

Location

CityBryn Mawr-Skyway

StateWA

CountyKing County

Rent Market Meter

Strong Landlord's Market

Renter's MarketBalancedLandlord's Market

Rents are up 5.2% year-over-year. Expect competition, and move quickly to lock in terms.

Based on rent-price momentum (+5.2% YoY, +1.9% MoM), not inventory.

Demographics

Who lives here

ZIP 98178 (Bryn Mawr-Skyway, WA) is majority owner-occupied, has a median income above the national average, 36.1% of residents hold a bachelor's degree or higher.

Population

26,748

Median income

$99,505

Median age

39.7

Renters

33.3%

Age distribution

20.5%

21.2%

27.9%

12.9%

17.6%

Under 1820.5%

18–3421.2%

35–5427.9%

55–6412.9%

65+17.6%

Gender

49.8%

50.2%

Male49.8%

Female50.2%

Race & ethnicity

29.5%

21%

32%

White29.5%

Black21%

Hispanic9%

Asian32%

Other8.5%

Education (25+)

13.2%

21.1%

29.6%

36.1%

No HS diploma13.2%

HS diploma21.1%

Some college29.6%

Bachelor's+36.1%

Housing tenure

66.7%

33.3%

Owner66.7%

Renter33.3%

Source: U.S. Census Bureau · ACS 2024 5-Year Estimates

2022 vs 2026

How ZIP 98178 in Bryn Mawr-Skyway, WA has changed in 5 years

Rent

$1,666 → $2,109

up 26.6%

Income

$87,788 → $99,505

up 13.3%

Population

26,282 → 26,748

up 1.8%

Renter share

33.4% → 33.3%

-0.1 pts

Bachelor's+

33.9% → 36.1%

+2.2 pts

Compared with 2022, rent in ZIP 98178 in Bryn Mawr-Skyway, WA has climbed by $443 per month, settling near $2,109 after starting the period at $1,666. Household income in the area moved from $87,788 to $99,505 across the same window, up 13.3% versus 2021. Rent outpaced income growth by roughly 13.3 percentage points, which means renters are spending a larger slice of each paycheck on housing than they did in 2021. Headcount in the area went from 26,282 to 26,748 between 2021 and 2024, a 1.8% change. Educational attainment has shifted as well, with the share of adults holding a bachelor's degree or higher climbed from 33.9% to 36.1%. Reading these numbers side by side helps frame whether current listings in ZIP 98178 in Bryn Mawr-Skyway, WA look reasonable against where the market sat half a decade ago.

Community

Discussions about ZIP 98178

No discussions yet. Start the conversation.

Local insights

Tips for renters in ZIP 98178

About renting in ZIP 98178

Last updated: October 17, 2026

ZIP code 98178 covers Bryn Mawr-Skyway, WA. The median rent here is $2,109/mo as of October 2026. A 1-bedroom rents for a median of $2,020/mo. A 2-bedroom rents for a median of $2,360/mo.

At 25% of local median household income ($99,505/yr), ZIP 98178 ranks as affordable compared to the national benchmark of 30%. Rents have increased 5.2% over the past year.

FAQ

Frequently asked questions

How much income do you need to rent in ZIP 98178?

To keep rent at or below 30% of gross income, you would need to earn at least $84,000/year (about $40/hour full-time) to afford the median rent of $2,109/mo in ZIP 98178. The local median household income is $99,505/yr, so the typical household meets that bar.

Is rent going up or down in ZIP 98178?

Rent in ZIP 98178 has risen 5.2% over the past year as of September 2026. That is the highest level since Zillow's records here began in January 2022.

How does ZIP 98178 compare to other ZIPs in Washington?

ZIP 98178 is in the middle among Washington ZIP codes for rent, ranking #87 of 207 at $2,109/mo. Over the year to September 2026, rent in ZIP 98178 changed +5.2%, against a typical +2.5% across the 193 Washington ZIP codes Zillow tracks.