McChord AFB, WA 98438 ZIP Code Profile

Related Place Profiles:
Tacoma, WA

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ZIP Code 98438: Basic Data & USPS Preferred City Name

Preferred Name, USPS
McChord AFB, WA 98438

Acceptable Alternative
Joint Base Lewis McChord, WA 98438
Lewis McChord, WA 98438
Tacoma, WA 98438

Not Acceptable, USPS
JB Lewis McChord, WA 98438
JBLM, WA 98438

  • ZIP Code Type: PO BOX
  • County: Pierce County
  • Centroid: Latitude 47.253, Longitude -122.443
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes
  • Businesses Addresses: 40
  • PO Box Addresses: 168
  • Residential Addresses: 1
    • Multi-Family Addresses: 0
    • Single Family Addresses: 1

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.


98438 ZIP Code Map

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McChord AFB, WA 98438 Data & Demographics (As of July 1, 2017)


Total Population 869
Daytime Population: Workers 6,090
Daytime Population: Residents 315
Total Daytime Population (TDP) 6,405
Ratio TDP/Total Population1 7.37
Population in Households 308
Population in Familes 126
Population in Group Qrtrs 561
Population Density2 185
Diversity Index3 67


Median Household Income $43,692
Average Household Income $55,845
Per Capita Income $6,692


Total Housing Units 46 (100%)
Owner Occupied HU 0
Renter Occupied HU 44 (95.7%)
Vacant Housing Units 2 ( 4.3%)
Median Home Value $0
Average Home Value $0


Total Households 44
Average Household Size 7.0
Family Households 41
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 8.19% 1.73%
Households 0.64% 2.18%
Families 0.34% 2.33%
Median Household Income   3.02%
Per Capita Income   0.39%

McChord AFB, WA 98438 - Peer Comparisons by Rank and Percentile

The table below compares 98438 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 # 439 25th
Population Density # 269 54th
Diversity Index # 92 85th
Median Household Income # 472 19th
Per Capita Income # 574 2nd

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

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