ZIP Code Tabulation Area · Washington

ZIP Code 98388: Steilacoom, WA

ZIP Code 98388 (Steilacoom, Pierce County, Washington) has an estimated 7,043 residents in 2,813 households. The median household income is $100,851, the median home value is $655,000 and the median gross rent is $1,818/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated

Total population

7,043

Margin of error ±36

Median household income

$100,851

Margin of error ±$11,495

Median home value

$655,000

Margin of error ±$28,101

Median gross rent

$1,818/mo

Margin of error ±$94

Median age

40.7 yrs

Margin of error ±3.2 yrs

Mean travel time to work

26.8 min

Margin of error ±4.9 min

How ZIP 98388 compares with Washington and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 9838840.7 yrsWashington38.3 yrsUnited States38.9 yrs

Median household income

ZIP 98388$100,851Washington$98,141United States$80,734

Per capita income

ZIP 98388$52,413Washington$53,744United States$44,673

Poverty rate

ZIP 9838814.4%Washington9.9%United States12.5%

Unemployment rate

ZIP 983886.4%Washington5.1%United States5.2%

Bachelor's degree or higher

ZIP 9838845.8%Washington39.6%United States35.7%

Median home value

ZIP 98388$655,000Washington$564,600United States$332,700

Median gross rent

ZIP 98388$1,818/moWashington$1,760/moUnited States$1,413/mo

Owner-occupied homes

ZIP 9838862.9%Washington63.8%United States65.2%

Mean travel time to work

ZIP 9838826.8 minWashington26.6 minUnited States26.4 min

Worked from home

ZIP 9838824.0%Washington19.8%United States15.1%

All figures for ZIP 98388

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 98388 — ACS 2020–2024 5-year estimates
MeasureZIP 98388Margin of errorWashingtonUnited States
Total population7,043±367,816,116334,922,499
Median age40.7 yrs±3.2 yrs38.3 yrs38.9 yrs
Households2,813±1583,064,820129,227,496
Median household income$100,851±$11,495$98,141$80,734
Per capita income$52,413±$6,396$53,744$44,673
Poverty rate14.4%±5.5 pts9.9%12.5%
Unemployment rate6.4%±3.0 pts5.1%5.2%
Bachelor's degree or higher45.8%±4.7 pts39.6%35.7%
Median home value$655,000±$28,101$564,600$332,700
Median gross rent$1,818/mo±$94$1,760/mo$1,413/mo
Owner-occupied homes62.9%±6.7 pts63.8%65.2%
Mean travel time to work26.8 min±4.9 min26.6 min26.4 min
Worked from home24.0%±7.5 pts19.8%15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 98388
GroupZIP 98388WashingtonUnited States
White alone, not Hispanic or Latino67.6%63.1%57.4%
Black or African American alone, not Hispanic or Latino4.7%3.8%11.9%
American Indian and Alaska Native alone, not Hispanic or Latino0.4%0.8%0.5%
Asian alone, not Hispanic or Latino5.2%9.7%5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino0.0%0.7%0.2%
Some other race alone, not Hispanic or Latino0.2%0.6%0.6%
Two or more races, not Hispanic or Latino9.4%6.8%4.3%
Hispanic or Latino (of any race)12.6%14.4%19.3%

Where ZIP 98388 is

State
Washington
Main county
Pierce County
Largest overlapping place
Steilacoom (22% of the ZIP's land area)
Land area
8.84 sq mi· about 797 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Pierce County

98354 Milton, WA98360 Pierce County, WA98371 Puyallup, WA98372 Edgewood, WA98373 South Hill, WA98374 South Hill, WA98375 South Hill, WA98385 South Prairie, WA98387 Spanaway, WA98390 Sumner, WA98391 Lake Tapps, WA98394 Key Center, WA98396 Pierce County, WA98402 Tacoma, WA98403 Tacoma, WA98404 Tacoma, WA98405 Tacoma, WA98406 Tacoma, WA98407 Tacoma, WA98408 Tacoma, WA98409 Tacoma, WA98416 Tacoma, WA98418 Tacoma, WA98421 Tacoma, WA

See every ZIP code in Washington, or compare ZIP 98388 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

  • U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
  • U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
  • Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.