Maple Valley, WA 98038 ZIP Code Profile

Related Place Profiles:
Maple Valley, WA | Wilderness Village, WA

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ZIP Code 98038: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Maple Valley, WA 98038

Not Acceptable, USPS
Four Corners, WA 98038
Wilderness Village, WA 98038

  • ZIP Code Type: STANDARD
  • County: King County
  • Centroid: Latitude 47.398, Longitude -122.032
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes
  • Businesses Addresses: 761
  • PO Box Addresses: 790
  • Residential Addresses: 11,741
    • Multi-Family Addresses: 412
    • Single Family Addresses: 11,329

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


98038 ZIP Code Map

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Maple Valley, WA 98038 Data & Demographics (As of July 1, 2017)


Total Population 35,876
Daytime Population: Workers 5,962
Daytime Population: Residents 18,500
Total Daytime Population (TDP) 24,462
Ratio TDP/Total Population1 0.68
Population in Households 35,876
Population in Familes 31,725
Population in Group Qrtrs 0
Population Density2 543
Diversity Index3 36


Median Household Income $103,660
Average Household Income $124,750
Per Capita Income $42,749


Total Housing Units 12,652 (100%)
Owner Occupied HU 10,430 (82.4%)
Renter Occupied HU 1,864 (14.7%)
Vacant Housing Units 358 ( 2.8%)
Median Home Value $376,915
Average Home Value $438,849


Total Households 12,294
Average Household Size 2.92
Family Households 9,752
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 1.77% 1.6%
Households 1.53% 1.44%
Families 1.55% 1.47%
Median Household Income   1.03%
Per Capita Income   2.03%

Maple Valley, WA 98038 - Peer Comparisons by Rank and Percentile

The table below compares 98038 to the other 585 ZIP Codes in Washington by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 56 91st
Population Density # 192 67th
Diversity Index # 305 48th
Median Household Income # 20 97th
Per Capita Income # 69 88th

Additional comparisons and rankings can be made with a VERY EASY TO USE Washington Census Data Comparison Tool.

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