Maple Valley ZIP Codes — King County, WA

There is one unique ZIP code in Maple Valley, Washington and it is 98038. Area code: 425.

ZIP codes

65.81

sq mi land

0.35

sq mi water

425

area code

Maple Valley, WA ZIP code map

About Maple Valley, WA

Maple Valley, Washington, is a picturesque city located in the scenic King County. Known for its lush landscapes and outdoor activities, it offers residents and visitors a serene environment to enjoy nature. With its charming community and strong sense of local identity, Maple Valley has become a desirable place to live and visit.

Location & geography

Nestled in the western part of Washington State, Maple Valley is approximately 20 miles southeast of Seattle and 14 miles from Tacoma. The city covers a total area of 65.81 square miles, with a small water area of 0.35 square miles, creating a predominantly land-based terrain. The surrounding geography features the serene Lake Wilderness, providing recreational opportunities and beautiful views for residents.

Community & economy

The character of Maple Valley is one of close-knit community vibes, where neighbors know each other and local businesses thrive. The economy is supported by industries such as retail, education, and construction, contributing to the city's growth. Daily life in Maple Valley often revolves around outdoor activities, community events, and family-friendly attractions, making it an appealing destination for many.

Transportation

Maple Valley is accessible via major highways, including State Route 169, which connects the city to the surrounding areas. The nearest named airport is Seattle-Tacoma International Airport, located about 25 miles northwest, providing extensive travel options for residents. Public transport options, including bus services, also facilitate mobility for residents and visitors alike.

History

Maple Valley was officially incorporated in 1997, though its roots trace back well before this to its early settlement in the 19th century. Key industries floated around logging and agriculture, which played a significant role in its development. Notable events, such as the establishment of local parks and community facilities, have greatly enriched the city's culture and recreational offerings.

Did you know?

One surprising fact about Maple Valley is its commitment to environmental sustainability, which is evident through various community initiatives and local parks. Additionally, the city hosts an annual Maple Valley Days festival, celebrating its heritage with fun activities for all ages.

ZIP codes for Maple Valley, WA (1)

ZIP code	City	County	Map
98038	Maple Valley	King	View map

Demographics & statistics

37,877

Population

38.3

Median age

$135,304

Median household income

$53,372

Per capita income

$659,000

Median home value

$2,090

Median monthly rent

86.1%

Home ownership

4.8%

Poverty rate

4.5%

Unemployment

11,320

Housing units

45.3%

Bachelor's or higher

Age distribution

Male Female

1,166

Under 5

1,130

1,620

5–9

1,571

1,898

10–14

1,841

1,497

15–19

1,452

638

20–24

619

1,820

25–34

1,766

3,395

35–44

3,293

2,672

45–54

2,591

1,254

55–59

1,217

1,113

60–64

1,080

1,409

65–74

1,366

535

75–84

519

211

85+

204

← Male

Female →

Age summary

Group	Count	%
Under 18	11,124	29.4%
18 and over	26,753	70.6%
65 and over	4,244	11.2%
Median age	38.3 years

Race & ethnicity

White 75.4%

Asian 8.8%

Two or more races 8%

Hispanic or Latino 3.9%

Black or African American 1.6%

Other race 1.4%

Native Hawaiian / Pacific Islander 0.6%

American Indian / Alaska Native 0.1%

Group	Count	%
White	29,747	75.4%
Asian	3,488	8.8%
Two or more races	3,173	8%
Hispanic or Latino	1,555	3.9%
Black or African American	636	1.6%
Other race	553	1.4%
Native Hawaiian / Pacific Islander	228	0.6%
American Indian / Alaska Native	52	0.1%

Household income

Under $10k 3.1%

$10k–$15k 1.0%

$15k–$25k 3.0%

$25k–$35k 2.0%

$35k–$50k 4.4%

$50k–$75k 10.5%

$75k–$100k 10.3%

$100k–$150k 21.1%

$150k–$200k 17.9%

$200k+ 26.6%

Range	% of households
Under $10k	3.1%
$10k–$15k	1.0%
$15k–$25k	3.0%
$25k–$35k	2.0%
$35k–$50k	4.4%
$50k–$75k	10.5%
$75k–$100k	10.3%
$100k–$150k	21.1%
$150k–$200k	17.9%
$200k+	26.6%
Median income	$135,304

Housing

Home values

Under $50k 0.7%

$50k–$100k 0.3%

$100k–$150k 0.4%

$150k–$200k 0.1%

$200k–$300k 1.1%

$300k–$500k 21.5%

$500k–$1M 65.2%

$1M+ 10.7%

Housing overview

Metric	Value
Median home value	$659,000
Median rent / month	$2,090
Owner occupied	86.1%
Renter occupied	13.9%
Vacant	2.2%
Single-family detached	88.2%
Large apartment buildings	1.7%
Mobile homes	1.6%
Median rooms	6.9
Avg household size (owned)	3.00

Year built

Era	%
2020 or later	0.9%
2010–2019	12.6%
2000–2009	28.4%
1990–1999	24.0%
1980–1989	15.6%
1970–1979	7.2%
1960–1969	4.8%
1950–1959	2.5%
1940–1949	1.4%
1939 or earlier	2.6%

Bedrooms

Size	% of units
No bedroom (studio)	2.0%
1 bedroom	1.3%
2 bedrooms	11.8%
3 bedrooms	40.2%
4 bedrooms	38.0%
5+ bedrooms	6.8%

Vehicles per household

Vehicles	% of households
No vehicle	2.2%
1 vehicle	19.1%
2 vehicles	45.1%
3 or more	33.6%

Heating fuel

Fuel type	%
Utility gas	51.0%
Electricity	35.2%
Propane / LP gas	5.9%
Fuel oil	1.9%
Wood	5.2%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	8,827	68.9%
Cohabiting couple	525	4.1%
Male householder, no spouse	1,457	11.4%
Female householder, no spouse	2,000	15.6%
Households with children under 18	5,850	45.7%
Households with seniors (65+)	3,061	23.9%
Average household size	2.96

Marital status

Status	Male	Female
Never married	26.6%	18.7%
Married	65.5%	63.9%
Separated	0.4%	0.2%
Widowed	2.4%	5.1%
Divorced	5.1%	12.1%

Education

Less than 9th grade 0.7%

Some HS, no diploma 2.2%

HS graduate 18.6%

Some college, no degree 23.1%

Associate's degree 10.1%

Bachelor's degree 30.5%

Graduate / professional 14.9%

Metric	%
HS diploma or higher	97.1%
Bachelor's or higher	45.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	716	6.4%
Kindergarten	560	5.0%
Elementary school	5,588	49.6%
High school	2,579	22.9%
College / grad school	1,824	16.2%

Employment

Industry of employment

Education & healthcare 21.0%

Professional & management 14.3%

Retail trade 12.6%

Manufacturing 10.8%

Construction 7.9%

Finance & real estate 6.6%

Arts, food & hospitality 6.4%

Public administration 6.4%

Transportation & utilities 5.2%

Wholesale trade 3.5%

Other services 2.7%

Information 1.9%

Agriculture & mining 0.7%

Occupation

Category	%
Management, business & arts	54.3%
Service	10.1%
Sales & office	19.5%
Natural resources & construction	7.0%
Production & transportation	9.1%

Employment type

Type	%
Private sector	78.0%
Government	18.9%
Self-employed	3.0%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	72.5%
Carpool	6.1%
Public transit	1.8%
Walk	0.7%
Other means	0.9%
Avg commute (minutes)	38.1

Poverty

All people 4.8%

Under 18 years 7.0%

18 and over 3.9%

Married-couple families 1.2%

Female-led households 13.6%

Income support

Source	% of households
Social Security	23.1%
Retirement income	21.6%
Supplemental Security	2.3%
Cash public assistance	2.0%
Food stamps / SNAP	3.9%

Health indicators

Condition	%
High blood pressure	25.1%
High cholesterol	29.2%
Heart disease	3.9%
Stroke	1.9%
Asthma	9.6%
Arthritis	18.8%
Kidney disease	2.1%
Pulmonary disease	3.9%
Cancer	5.9%

Behavior / access	%
Binge drinking	21.0%
No physical activity	12.2%
Less than 7 hrs sleep	27.1%
Fair or poor health	8.8%
Poor mental health	13.6%
Poor physical health	7.7%
No health insurance	8.4%
Visited doctor (checkup)	67.3%
Visited dentist	75.1%
Cholesterol screening	90.1%
Teeth loss	6.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	2,393	9.0%

Disability	%
Any disability	7.8%
Under 18	2.2%
18–64 years	6.5%
65 and over	28.8%

Health insurance coverage

Type	%
Private insurance	88.0%
Public insurance	19.6%
Uninsured under 19	2.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	35,581	93.9%
Spanish	910	2.6%
Other Indo-European	39	0.1%
Asian & Pacific Islander	282	0.8%
Other languages	584	1.6%

Place of birth & citizenship

Origin	Count	%
Native born (US)	33,749	89.1%
Born in same state	33,082	87.3%
Born in different state	18,733	49.5%
Foreign born	667	1.8%
Naturalized citizen	4,128	10.9%
Not a US citizen	2,187	53.0%

Ancestry

Ancestry	Count	%
French	4,753	12.5%
Italian	4,483	11.8%
Polish	1,771	4.7%
Arab	1,386	3.7%
English	696	1.8%

Ancestry	Count	%
Dutch	399	1.1%
German	156	0.4%
Norwegian	134	0.4%
Irish	31	0.1%

Technology access

Metric	% of households
Computer access	33.8%
Internet access	97.9%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Maple Valley, WA have?

Maple Valley, WA has one ZIP code: 98038. Each ZIP code serves a distinct delivery area within the city and surrounding region.