Skip to content

ZIP code 98038: Maple Valley, WA

98038 is a ZIP code in Maple Valley, Washington, mainly in King County, part of the Seattle-Tacoma-Bellevue, WA metro area. About 37,324 people live here.

Population
37,324
Median household income
$152,261
Typical home value
$764,400-2.4% in 12 months
Median rent
$2,316gross, per month
Median age
38.5
Homeowners
85.6%of occupied homes
Loading map…

Shaded: ZIP code 98038's area. Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 milesWithin 25 miles

ZIP code 98038 details

CityMaple Valley
StateWashington
CountyKing County
Metro areaSeattle-Tacoma-Bellevue, WA
Time zonePacific Time (UTC−8), observes daylight saving time
TypeStandard (delivery area)
Land area65.8 sq mi, plus 0.4 sq mi of water
Population density567 people per sq mi
Bachelor's degree or higher49% of adults 25+
Average commute36.5 minutes
Center coordinates47.41938, -121.95801

Median rent in 98038 by bedrooms

SizeMedian gross rent
Studio$1,794/mo
1 bedroom$1,601/mo
2 bedrooms$2,289/mo
3 bedrooms$2,409/mo
4 bedrooms$3,501/mo

Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.

ZIP codes near 98038

ZIP codeCityDistancePopulation
98025Hobart, WA1.1 mi52
98051Ravensdale, WA6.2 mi3,442
98027Issaquah, WA6.7 mi28,955
98010Black Diamond, WA7.4 mi6,857
98058Renton, WA8.0 mi42,980
98042Kent, WA8.4 mi50,216
98050Preston, WA8.9 mi108
98059Renton, WA9.6 mi42,406

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Buying a home in 98038?

A typical home in ZIP code 98038 is worth about $764,400 (Zillow Home Value Index). The median household here earns $152,261 a year. See what buying here would cost per month, with Washington average taxes and insurance filled in.

Monthly payment for a $764,400 homeWhat can a $152,261 income afford?Rental property numbers

About ZIP code 98038

What city is ZIP code 98038?

ZIP code 98038 is in Maple Valley, WA, in King County.

What county is ZIP code 98038 in?

98038 is mainly in King County, Washington.

What is the population of ZIP code 98038?

About 37,324 people live in ZIP code 98038, according to the American Community Survey 2020–2024 5-year estimates.

What time zone is ZIP code 98038 in?

98038 is in Pacific Time (UTC−8). It observes daylight saving time.