ZIP Code 98038 in Maple Valley, WA

Data Last Updated: October 1, 2025
City:Maple Valley, Washington
Names to Avoid:
Four Corners, Wilderness Village
County:King County
Timezone:Pacific (GMT -08:00)
Local Time:9:46:43 PM
Population:37,487 [See All]
Area Code:425
Classification:Standard [Normal Street Delivery]
Coordinates:47.4038, -122.0059
Land Area:65.814 sq mi
Quick Link:
https://www.zip-codes.com/zip-code/98038/zip-code-98038.asp

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Population & Demographics


ZIP Code 98038 has 37,487 residents and 12,595 households (average 2.98 persons per household). The median age is 37.9 years, about the same as the state (38.1) and about the same as the nation (38.8). The gender split is 50.1% male and 49.9% female, which is slightly higher than the national male share (49.1%). Largest groups are White (75.2%, much higher than the state average of 66.6% and well above the national average of 61.6%) and Hispanic or Latino (7.5%); Hispanic or Latino residents make up 7.5%, which is much lower than the national average (18.7%).

Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2023 American Community Survey (ACS) 5-Year Estimates.
2020 Population:37,487Source: Census DHC
2023 ACS Population Estimate:37,868Source: Census ACS
2025 ZC Population Estimate:39,228Source: ZIP-Codes.com
Population Density:569.6 people per sq mile
Average Income:$144,733Source: Census ACS
Households:12,595Source: Census DHC
Average House Value:$714,100Source: Census ACS
Persons Per Household:2.98Source: Census DHC
Average Family Size:2.56Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--30,97031,88133,46834,07634,36234,93235,12635,56835,90436,15737,62437,87737,868
Decennial Census31,171------------------37,487------
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 37.9

Male Median Age: 37.3

Female Median Age: 38.5

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male1,2371,6021,8541,4468617269911,4921,5301,4371,3381,2941,075698483341227143
Female1,1011,5771,6221,3567246921,1461,6281,6281,4021,2551,2101,044828622427239211
Total2,3383,1793,4762,8021,5851,4182,1373,1203,1582,8392,5932,5042,1191,5261,105768466354
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:28,18378.43%
Black:8932.49%
Hispanic:*2,8287.87%
Asian:2,7977.78%
American Indian:2080.58%
Hawaiian:1060.29%
Other:9192.56%
Total:35,934100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:18,77550.08%37.3 years
Females:18,71249.92%38.5 years
Total:37,487100%37.9 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:32,39485.54%
Native, born in PR, Island Areas, or abroad:6001.58%
Foreign born, naturalized U.S. citizen:2,3916.31%
Foreign born, not a U.S. citizen:2,48312.87%
Total Population:37,868100%
Total Native Population:32,99487.13%
Total Foreign-born Population:4,87412.87%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment


In 2023, the Median household income is $144,733, which is considerably higher than the national median ($78,538), is up $47,140 (48.3%) since 2011 and above its 2019 pre-pandemic level by $33,044. Family households earn a median of $158,429 versus $71,314 for nonfamily households (a difference of $87,115). By gender, male median income is $118,401 and female is $79,278, which is far above the national female median ($53,445), with a current gap of $39,123 that has widened from 2011 to 2023. The labor-force participation rate is 68.0%, which is well above the national rate (63.5%). The unemployment rate is 4.3%, which is below the national rate (5.2%). The largest occupation group is Management (55.6%).

Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Income Type2011201220132014201520162017201820192020202120222023
Median Household Income$97,593$96,473$95,043$93,573$96,134$96,435$99,098$105,462$111,689$114,804$124,164$135,304$144,733
Median Family Income$102,807$103,276$103,002$104,063$105,944$107,215$108,500$115,669$120,434$126,639$135,074$148,900$158,429
Median NonFamily Income$59,395$56,192$57,269$53,557$55,765$56,285$60,046$60,943$64,967$59,182$61,607$67,485$71,314
Median Male Income$77,648$80,070$76,641$76,341$77,341$78,776$80,438$83,620$89,096$91,869$100,324$112,464$118,401
Median Female Income$53,593$55,577$56,472$56,518$58,224$58,359$59,228$62,631$63,750$64,010$68,468$75,275$79,278
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:18,20564.72%
Unemployed:8202.91%
Not In Labor Force:9,10632.37%
Total:28,131100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:10,13055.64%
Service:1,7149.41%
Sales and Office:3,57819.65%
Natural resources, construction, and maintenance:1,3007.14%
Production, transportation, and material moving:1,4838.15%
Total Civilian Employed Population:18,205100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2023, the median home value is $714,100, which is far above the national median ($303,400), is up $347,700 (94.90%) since 2011 and above its 2019 pre-pandemic level by $274,500. The median gross rent is $2,152, which is considerably higher than the national median ($1,348), is up $869 (67.73%) since 2011 and above its 2019 pre-pandemic level by $278. Of occupied housing, owners make up 86.06% (77.97% with a mortgage, 22.03% free-and-clear) and renters 13.94% - making this ZIP Code more home ownership than the state and under national rental averages. The vacancy rate is 2.43%, which is considerably lower than the national rate (10.43%).

Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group2011210220132014201520162017201820192020202120222023
Median Home Value$366,400$348,200$317,700$315,000$315,600$337,300$364,100$392,600$439,600$476,000$544,800$659,000$714,100
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:261.45%
$500 to $999:623.46%
$1,000 to $1,499:25013.97%
$1,500 to $1,999:37020.67%
$2,000 to $2,499:40922.85%
$2,500 to $2,999:37020.67%
$3,000 or more:1779.89%
No Rent:1267.04%
Total:1,790100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group2011210220132014201520162017201820192020202120222023
Median Rent$1,283$1,316$1,399$1,440$1,509$1,559$1,664$1,721$1,874$1,907$1,946$2,090$2,152
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):8,61367.10%
Owner Occupied (free and clear, no mortgage):2,43418.96%
Renter Occupied:1,79013.94%
Total Occupied Housing Units:12,837100%

Occupied Housing Units:12,83797.57%
Vacant Housing Units (not graphed):3202.43%
Total Housing Units:13,157100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)


Single-Family Units:11,93990.74%
Multi-Family Units:1,0047.63%
Other Units:2141.63%
Total Housing Units:13,157100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2023, 46.40% of adults (25+) have a bachelor's degree or higher, which is far higher than the national rate (35.00%), well above both the state and national averages. High school or higher is 97.00%, which is far higher than the national rate (89.40%). The uninsured rate is 2.80%, which is far lower than the national rate (8.60%). Private coverage is 85.80%, which is well above the national rate (67.30%). Public coverage is 22.40%, which is falls below the national rate (36.30%). The share of people in poverty is 3.70%, which is far lower than the national rate (8.70%), up 0.70 percentage points since 2011 and above its 2019 pre-pandemic level by 0.90 percentage points. This points to rising hardship - a weaker consumer base, greater strain on public services, and job-market headwinds. Among residents ages 3+, the largest enrollment group is elementary (48.37%). College enrollment is 15.36%, which is far lower than the national rate (26.70%), indicating the community may be more oriented toward vocational/trade or direct-to-workforce opportunities.

Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:2290.93%
9th to 12th grade, no diploma:5122.08%
High school graduate (includes equivalency):4,62318.80%
Some college, no degree:5,33421.69%
Associate's degree:2,47910.08%
Bachelor's degree:7,47330.38%
Graduate or professional degree:3,94516.04%
Total:24,595100%
High school or higher:23,85496.99%
Bachelor's degree or higher:11,41846.42%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:32,42777.34%
Public Insurance:8,45420.16%
No Insurance:1,0452.49%
Total:41,926100%
Has Health Insurance:40,88197.51%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2023)


Group2011210220132014201520162017201820192020202120222023
% of People in Poverty3.0%3.4%3.5%3.8%3.4%3.0%3.2%3.3%2.8%3.7%3.4%3.6%3.7%
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:6315.82%
Kindergarten:6606.09%
Elementary school (grades 1-8):5,24448.37%
High school (grades 9-12):2,64224.37%
College or graduate school:1,66515.36%
Total:10,842100%
Early Childhood:1,29111.91%
K-12 (Primary & Secondary School):8,54678.82%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 98038 supports both business and residential activity. According to the Business Census (2023), there are 752 business establishments, employing about 6,029 people with an annual payroll of $314,712,000. USPS data shows 13,164 residential mailboxes and 379 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:13,164Source: USPS
# Business Mailboxes:379Source: USPS
Total Delivery Receptacles:21,332Source: USPS
Single Family Delivery Units:5,588Source: USPS
Multi Family Delivery Units:412Source: USPS
# of Businesses:752Source: CBP
1st Quarter Payroll:$73,478,000Source: CBP
Annual Payroll:$314,712,000Source: CBP
# of Employees:6,029Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 98038 is located in King County, Washington, within the Seattle-Tacoma-Bellevue, WA Metropolitan Statistical Area (CBSA 42660) and Washington's 8th Congressional District. This Metro area has a population of 4,021,467 people, about 0.93% of whom live in ZIP Code 98038, and is subdivided into the Seattle-Bellevue-Kent, WA division. It covers 65.814 sq mi of land and a water area of 0.352 sq mi.

CBSA Name:Seattle-Tacoma-Bellevue, WASource: Census
CBSA Number:42660Source: Census
CBSA Type:MetroSource: Census
CBSA Division:Seattle-Bellevue-Kent, WA (CBSA Div 42644)Source: Census
CBSA Population:4,021,467Source: Census
MSA:Seattle-Tacoma-Bremerton, WA CMSASource: Census
Land Area:65.814 sq miSource: Census
Water Area:0.352 sq miSource: Census
Congressional District:08Source: USPS
Congressional Land Area:7359.7 sq miSource: Census
PMSA:Seattle-Bellevue-Everett, WA PMSASource: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:5343150Source: Census
Place Name:Maple Valley city; WashingtonSource: Census

Adjacent & Nearby ZIP Codes


98039 | | 98037

Schools in ZIP Code 98038


ZIP Code 98038 is in the Tahoma School District, which serves grades Pre-Kindergarten thru 12th. There are 8 public schools and 1 private school(s) in this ZIP Code. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Rock Creek Elementary 25700 Maple Valley Blk Diam Rd
Maple Valley, WA 98038
District: Tahoma School District
Glacier Park Elementary 23700 Se 280th Street
Maple Valley, WA 98038
District: Tahoma School District
Lake Wilderness Elementary 24216 Witte Road Se
Maple Valley, WA 98038
District: Tahoma School District
Shadow Lake Elementary 22620 Sweeney Road Se
Maple Valley, WA 98038
District: Tahoma School District
Tahoma Senior High School 23499 Se Tahoma Way
Maple Valley, WA 98038
District: Tahoma School District
Tahoma Elementary 24425 Se 216th St
Maple Valley, WA 98038
District: Tahoma School District
Cedar River Elementary 22615 Sweeney Rd Se
Maple Valley, WA 98038
District: Tahoma School District
Tahoma Open Doors 23499 Se Tahoma Way
Maple Valley, WA 98038
District: Tahoma School District
Blossoming Hill Montessori 23855 Se 216th St
Maple Valley, WA 98038
District: Private School

Colleges & Post Secondary Schools near ZIP Code 98038


Renton Technical College 3000 Ne Fourth St
Renton, WA 98056-4123
Type: Post Secondary
Green River College 12401 Se 320th St
Auburn, WA 98092-3622
Type: Post Secondary
Pima Medical Institute-Renton 555 South Renton Village Place Suite 110
Renton, WA 98057
Type: Post Secondary
Highline College 2400 S 240th St
Des Moines, WA 98198-9800
Type: Post Secondary
Bellevue College 3000 Landerholm Cir Se
Bellevue, WA 98007-6484
Type: Post Secondary
Highlights Beauty Schools 2222 So. 314 St
Federal Way, WA 98003
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on October 1, 2025.

  1. U.S. Postal Service [Last Updated: 10/1/2025], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 10/1/2025], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2023 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 10/1/2025], https://nces.ed.gov