ZIP Code Tabulation Area · Washington

ZIP Code 98329: Key Center, WA

ZIP Code 98329 (Key Center, Pierce County, Washington) has an estimated 11,552 residents in 4,518 households. The median household income is $110,316, the median home value is $518,700 and the median gross rent is $1,755/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

11,552

Margin of error ±973

Median household income

$110,316

Margin of error ±$12,875

Median home value

$518,700

Margin of error ±$43,575

Median gross rent

$1,755/mo

Margin of error ±$290

Median age

42.9 yrs

Margin of error ±3.6 yrs

Mean travel time to work

33.1 min

Margin of error ±5.9 min

How ZIP 98329 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 9832942.9 yrsWashington38.3 yrsUnited States38.9 yrs

Median household income

ZIP 98329$110,316Washington$98,141United States$80,734

Per capita income

ZIP 98329$48,833Washington$53,744United States$44,673

Poverty rate

ZIP 983294.8%Washington9.9%United States12.5%

Unemployment rate

ZIP 983294.7%Washington5.1%United States5.2%

Bachelor's degree or higher

ZIP 9832931.6%Washington39.6%United States35.7%

Median home value

ZIP 98329$518,700Washington$564,600United States$332,700

Median gross rent

ZIP 98329$1,755/moWashington$1,760/moUnited States$1,413/mo

Owner-occupied homes

ZIP 9832989.2%Washington63.8%United States65.2%

Mean travel time to work

ZIP 9832933.1 minWashington26.6 minUnited States26.4 min

Worked from home

ZIP 9832915.1%Washington19.8%United States15.1%

All figures for ZIP 98329

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 98329 — ACS 2020–2024 5-year estimates
MeasureZIP 98329Margin of errorWashingtonUnited States
Total population11,552±9737,816,116334,922,499
Median age42.9 yrs±3.6 yrs38.3 yrs38.9 yrs
Households4,518±3523,064,820129,227,496
Median household income$110,316±$12,875$98,141$80,734
Per capita income$48,833±$4,218$53,744$44,673
Poverty rate4.8%±2.2 pts9.9%12.5%
Unemployment rate4.7%±2.2 pts5.1%5.2%
Bachelor's degree or higher31.6%±4.4 pts39.6%35.7%
Median home value$518,700±$43,575$564,600$332,700
Median gross rent$1,755/mo±$290$1,760/mo$1,413/mo
Owner-occupied homes89.2%±2.6 pts63.8%65.2%
Mean travel time to work33.1 min±5.9 min26.6 min26.4 min
Worked from home15.1%±5.0 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 98329
GroupZIP 98329WashingtonUnited States
White alone, not Hispanic or Latino84.7%63.1%57.4%
Black or African American alone, not Hispanic or Latino0.5%3.8%11.9%
American Indian and Alaska Native alone, not Hispanic or Latino0.2%0.8%0.5%
Asian alone, not Hispanic or Latino1.2%9.7%5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino0.2%0.7%0.2%
Some other race alone, not Hispanic or Latino0.4%0.6%0.6%
Two or more races, not Hispanic or Latino6.6%6.8%4.3%
Hispanic or Latino (of any race)6.1%14.4%19.3%

Where ZIP 98329 is

State
Washington
Main county
Pierce County— also overlaps Kitsap County
Largest overlapping place
Key Center (27% of the ZIP's land area)
Land area
26.00 sq mi· about 444 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

98303 Anderson Island, WA98304 Pierce County, WA98321 Pierce County, WA98323 Pierce County, WA98327 DuPont, WA98328 Pierce County, WA98330 Pierce County, WA98332 Maplewood, WA98333 Fox Island, WA98335 Artondale, WA98338 Graham, WA98349 Longbranch, WA98351 Longbranch, WA98354 Milton, WA98360 Pierce County, WA98371 Puyallup, WA98372 Edgewood, WA98373 South Hill, WA98374 South Hill, WA98375 South Hill, WA98385 South Prairie, WA98387 Spanaway, WA98388 Steilacoom, WA98390 Sumner, WA

See every ZIP code in Washington, or compare ZIP 98329 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.