ZipCodeLook
98038

Zip code 98038: Maple Valley, Washington

Residential delivery areaKing CountyPacific Time
Population
37,324
Median household income
$152K
U.S. $81K
Median home value
$777K
U.S. $333K
Median rent
$2,316/mo
U.S. $1,413
Median age
38.5
U.S. 38.9
Land area
66 sq mi
567 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 98038

98038 is a suburban zip code in Maple Valley, Washington (King County), covering 66 sq mi of land. About 37,324 people live here, or 567 per square mile. The median resident is 38.5 years old, compared with 38.9 nationally.

The median household earns $152,261 a year, 89% above the national median of $80,734. 5.2% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $776,900, or 5.1 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 86% of occupied homes are lived in by their owners, and renters pay a median of $2,316 a month.

49% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 36.5 minutes each way, and 24% of workers work from home. The most common jobs among working residents are in management; business and finance; and office and administrative support. 21% of households speak a language other than English at home, most often an Asian or Pacific Island language.

How 98038 compares

Sorted from highest to lowest national percentile

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Median age
38.5
Under 18
28.9%
65 and over
12%

Race and ethnicity

  • White70%
  • Black1%
  • Hispanic7%
  • Asian13%
  • Native American0.3%
  • Pacific Islander0.2%
  • Other0.7%
  • Multiracial8%
Diversity index
48.6
U.S. 61.4
Foreign-born
14.3%
U.S. 14.1%
Born in state
48.9%

Language spoken at home (households)

English only
79%
Spanish
3%
Other Indo-European
7%
Asian / Pacific
10%
Other
1%

Households

Households
12,618
Average household size
3
Family households
80.5%
Married couples
68.7%
Living alone
14.7%
Veterans (of adults)
7.9%
Male / female
51% / 49%

Income and poverty

Household income distribution

<$25k
7%
$25–50k
6%
$50–75k
9%
$75–100k
10%
$100–150k
18%
$150–200k
19%
$200k+
32%

Median household income

98038
$152,261
King Co.
$124,746
Washington
$98,141
United States
$80,734
Per capita income
$57,730
U.S. $44,673
Poverty rate
5.2%
U.S. 12.5%
Households earning $150K+
50.7%
U.S. 23%
Income inequality (Gini)
0.369
U.S. 0.483

Housing

Median home value

98038
$776,900
King Co.
$859,900
Washington
$564,600
United States
$332,700

Median gross rent

98038
$2,316
King Co.
$2,092
Washington
$1,760
United States
$1,413

Types of housing

Single-family
90%
2–4 units
2%
5–19 units
4%
20+ units
2%
Mobile home
2%
Boat, RV, van
0%
Housing units
12,936
Owner-occupied
85.6%
Vacant
2.5%
Median year built
1998
Median rooms
6.7
Renters paying 30%+ of income
47.5%
Renters paying 50%+ of income
33.1%
Home value to income
5.1× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone
69%
Carpooled
5%
Transit
0.6%
Walked
1%
Bicycle
0.2%
Worked from home
24%
Other
0.6%

Commute time (one way)

<10 min
10%
10–19
14%
20–29
10%
30–44
32%
45–59
18%
60+
16%
Average commute
36.5 min
U.S. 26.4 min
Unemployment
4.1%
U.S. 5.2%
In labor force
67%
U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management
16%
Business and finance
11%
Office and admin
10%
Healthcare
8%
Sales
8%
Computer and math
8%
Education
8%
Construction and repair
7%
Transportation and moving
6%
Engineering and science
5%
Cleaning and personal care
3%
Legal and social services
2%
Production
2%
Police and fire
2%
Food service
2%
Arts, media and sports
1%
Farming, fishing and forestry
0.3%

Industries

Health care and social assistance
13%
Retail
12%
Professional and technical services
11%
Manufacturing
10%
Education
10%
Construction
9%
Public administration
6%
Transportation, warehousing and utilities
6%
Finance, insurance and real estate
6%
Other services
4%
Admin, support and management
3%
Restaurants and hotels
3%
Wholesale
2%
Information
2%
Arts and recreation
2%
Agriculture and mining
0.4%
Median earnings per worker
$85,484
U.S. $49,666
Self-employed
7.7%
U.S. 10%
Government workers
17.6%
U.S. 14.5%
Nonprofit workers
7.1%
U.S. 8.8%

Median earnings by type of work

Type of work98038U.S.
Management, business, science and arts$105,512$74,888
Service$37,301$26,804
Sales and office$63,972$40,476
Construction and maintenance$72,500$49,199
Production and transportation$53,953$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma
3%
High school
18%
Some college
20%
Associate's
10%
Bachelor's
32%
Graduate
17%
High school graduate or higher
96.7%
Bachelor's degree or higher
49%
Graduate or professional degree
16.8%
Households with broadband
96.1%
Cable, fiber or DSL
87.6%
No internet access
2.8%
Without health insurance
2.4%
Limited-English households
1.5%

Geography

City (USPS)
Maple Valley
Center point
47.4194° N, 121.9580° W
Land area
66 sq mi
Water area
0.4 sq mi
Time zone
Pacific Time (UTC-8, UTC-7 in summer)
Zip type
Residential delivery area

Cities and towns within this zip

  • Hobart (unincorporated)26% of zip
  • Maple Valley9% of zip
  • Shadow Lake (unincorporated)5% of zip
  • East Renton Highlands (unincorporated)4% of zip
  • Mirrormont (unincorporated)3% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 98038

ZipCityDistanceIncome
98025Hobart1.1 mi—
98051Ravensdale6.2 mi$136,439
98027Issaquah6.7 mi$153,301
98010Black Diamond7.4 mi$142,048
98058Renton8 mi$115,201
98042Kent8.4 mi$127,552
98050Preston8.9 mi—
98059Renton9.6 mi$138,654
98029Issaquah9.9 mi$170,759
98093Federal Way · PO box11 mi—
98031Kent11 mi$105,965
98024Fall City11 mi$160,641

Zip codes like 98038 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 98038

What city is zip code 98038?

98038 is assigned to Maple Valley, Washington. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 98038 in?

98038 is in King County, Washington.

What is the population of 98038?

About 37,324 people live in 98038, according to the Census Bureau's American Community Survey.

What time zone is 98038 in?

98038 is in Pacific Time.

What is the median household income in 98038?

The median household income in 98038 is $152,261.

What zip codes are near 98038?

The closest zip codes to 98038 are 98025, 98051, 98027, 98010, 98058.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 98038, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.