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ZIP Code · WA

ZIP 98188

Part of Seatac, WA
Pop. 27,311·King County·139th most expensive ZIP in Washington
Median rent (all units)
$1,924/mo
Year-over-Year
+2.2%
Month-over-Month
+3.7%
vs US Median
-$41
Rising (Monthly)
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Most AffordableMost Expensive
ZIP 98188 · $1,924
More expensive than 56% of US ZIP codes · National median $1,965/mo
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Medians by bedroom

Rent by unit size

Studio
$1,800
1 BR
$1,850
2 BR
$2,160
3 BR
$2,850
4 BR+
$3,320
Research median
$2,160/mo

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

Rent trends

12-month history

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Last updated: July 20, 2026

Annual cost
$23,088/yr
At $1,924/mo median
Location
CitySeatac
StateWA
CountyKing County
Rent Market Meter
Strong Landlord's Market
Renter's MarketBalancedLandlord's Market
Rents are up 2.2% year-over-year. Expect competition, and move quickly to lock in terms.
Based on rent-price momentum (+2.2% YoY, +3.7% MoM), not inventory.
Demographics

Who lives here

ZIP 98188 (Seatac, WA) is majority renter-occupied, 28.1% of residents hold a bachelor's degree or higher.

Population
27,311
Median income
$76,438
Median age
37.5
Renters
58.5%
Age distribution
20.6%
24.7%
29.5%
14%
Under 1820.6%
18–3424.7%
35–5429.5%
55–6411.3%
65+14%
Gender
55.4%
44.6%
Male55.4%
Female44.6%
Race & ethnicity
29.1%
27.8%
20.5%
14.5%
White29.1%
Black27.8%
Hispanic20.5%
Asian14.5%
Other8.1%
Education (25+)
12.1%
29.6%
30.2%
28.1%
No HS diploma12.1%
HS diploma29.6%
Some college30.2%
Bachelor's+28.1%
Housing tenure
41.5%
58.5%
Owner41.5%
Renter58.5%

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

2021 vs 2026

How ZIP 98188 in Seatac, WA has changed in 5 years

Rent
$1,330 → $1,924
up 44.7%
Income
$71,223 → $76,438
up 7.3%
Population
27,524 → 27,311
down 0.8%
Renter share
55.4% → 58.5%
+3.1 pts
Bachelor's+
25.3% → 28.1%
+2.8 pts

The median rent in ZIP 98188 in Seatac, WA stood at $1,330 in 2021 and currently runs about $1,924, reflecting a 44.7% increase over the period. Household income in the area moved from $71,223 to $76,438 across the same window, up 7.3% versus 2021. That spread, with rent up faster than earnings, points to a tougher affordability environment than five years ago. Renters now make up 58.5% of households, compared with 55.4% five years ago. College-educated residents now make up 28.1% of adults here, versus 25.3% in 2021. Reading these numbers side by side helps frame whether current listings in ZIP 98188 in Seatac, WA look reasonable against where the market sat half a decade ago.

Community

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Local insights

Tips for renters in ZIP 98188

About renting in ZIP 98188

Last updated: July 20, 2026

ZIP code 98188 covers Seatac, WA. The median rent here is $1,924/mo as of July 2026. A 1-bedroom rents for a median of $1,850/mo. A 2-bedroom rents for a median of $2,160/mo.

At 30% of local median household income ($76,438/yr), ZIP 98188 ranks as moderate compared to the national benchmark of 30%. Rents have increased 2.2% over the past year.

FAQ

Frequently asked questions

How much is rent in ZIP code 98188?

As of July 20, 2026, the median monthly rent in ZIP 98188 (Seatac, WA) is $1,924. This is based on aggregated data from public sources and community submissions.

How does ZIP 98188 rent compare to the US average?

ZIP 98188's median rent of $1,924/mo is $41 (2%) below the US national median of $1,965/mo.

How does ZIP 98188 compare to other ZIPs in Washington?

ZIP 98188 falls in the middle range for Washington, ranking #139 out of 209 ZIPs at $1,924/mo.

How much income do you need to rent in ZIP 98188?

To keep rent at or below 30% of gross income, you would need to earn at least $77,000/year (~$37/hour full-time) to afford the median rent of $1,924/mo in ZIP 98188. The local median household income is $76,438/yr, meaning the typical household falls short of that threshold.

Is rent going up or down in ZIP 98188?

Rent in ZIP 98188 has increased 2.2% over the past year as of July 20, 2026, putting upward pressure on renter budgets.

Is ZIP 98188 an affordable place to rent?

ZIP 98188 is considered moderate for renters. At $1,924/mo, rent takes approximately 30% of the local median household income ($76,438/yr). The standard benchmark is 30%. ZIP 98188 slightly exceeds that threshold, so budgeting carefully matters here.

What percentage of ZIP 98188 residents rent vs. own?

According to Census data, approximately 58.5% of ZIP 98188 households are renters, while 41.5% are owner-occupied. With a majority renter population, ZIP 98188 has a strong rental market.

How does ZIP 98188 compare to the rest of Seatac?

ZIP 98188 is more affordable than Seatac overall. At $1,924/mo, it's $44 below the Seatac citywide median of $1,968/mo.

When was rent data for ZIP 98188 last updated?

Rent data for ZIP 98188 reflects July 20, 2026. RentDataNow refreshes all data monthly using public and private datasets.
Income Affordability
30%
MODERATE

At $1,924/mo, rent takes ~30% of ZIP 98188's median household income ($76,438/yr). The standard benchmark is 30%.

ZIP 98188 30%Benchmark 30%
State income taxNone
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Schools nearby

Public schools near ZIP 98188 (Seatac, WA)

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