ZIP Code Tabulation Area · Washington

ZIP Code 98010: Black Diamond, WA

ZIP Code 98010 (Black Diamond, King County, Washington) has an estimated 6,857 residents in 2,649 households. The median household income is $142,048, the median home value is $775,400 and the median gross rent is $1,657/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

6,857

Margin of error ±329

Median household income

$142,048

Margin of error ±$11,689

Median home value

$775,400

Margin of error ±$60,861

Median gross rent

$1,657/mo

Margin of error ±$726

Median age

38.5 yrs

Margin of error ±2.1 yrs

Mean travel time to work

37.3 min

Margin of error ±7.5 min

How ZIP 98010 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 9801038.5 yrsWashington38.3 yrsUnited States38.9 yrs

Median household income

ZIP 98010$142,048Washington$98,141United States$80,734

Per capita income

ZIP 98010$66,955Washington$53,744United States$44,673

Poverty rate

ZIP 980102.3%Washington9.9%United States12.5%

Unemployment rate

ZIP 980101.2%Washington5.1%United States5.2%

Bachelor's degree or higher

ZIP 9801052.7%Washington39.6%United States35.7%

Median home value

ZIP 98010$775,400Washington$564,600United States$332,700

Median gross rent

ZIP 98010$1,657/moWashington$1,760/moUnited States$1,413/mo

Owner-occupied homes

ZIP 9801085.7%Washington63.8%United States65.2%

Mean travel time to work

ZIP 9801037.3 minWashington26.6 minUnited States26.4 min

Worked from home

ZIP 9801024.2%Washington19.8%United States15.1%

All figures for ZIP 98010

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 98010 — ACS 2020–2024 5-year estimates
MeasureZIP 98010Margin of errorWashingtonUnited States
Total population6,857±3297,816,116334,922,499
Median age38.5 yrs±2.1 yrs38.3 yrs38.9 yrs
Households2,649±1613,064,820129,227,496
Median household income$142,048±$11,689$98,141$80,734
Per capita income$66,955±$5,891$53,744$44,673
Poverty rate2.3%±1.9 pts9.9%12.5%
Unemployment rate1.2%±1.1 pts5.1%5.2%
Bachelor's degree or higher52.7%±7.4 pts39.6%35.7%
Median home value$775,400±$60,861$564,600$332,700
Median gross rent$1,657/mo±$726$1,760/mo$1,413/mo
Owner-occupied homes85.7%±4.7 pts63.8%65.2%
Mean travel time to work37.3 min±7.5 min26.6 min26.4 min
Worked from home24.2%±6.4 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 98010
GroupZIP 98010WashingtonUnited States
White alone, not Hispanic or Latino66.5%63.1%57.4%
Black or African American alone, not Hispanic or Latino0.4%3.8%11.9%
American Indian and Alaska Native alone, not Hispanic or Latino0.0%0.8%0.5%
Asian alone, not Hispanic or Latino16.9%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 Latino0.5%0.6%0.6%
Two or more races, not Hispanic or Latino8.5%6.8%4.3%
Hispanic or Latino (of any race)7.3%14.4%19.3%

Where ZIP 98010 is

State
Washington
Main county
King County
Largest overlapping place
Black Diamond (43% of the ZIP's land area)
Land area
14.87 sq mi· about 461 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 King County

98001 Auburn, WA98002 Auburn, WA98003 Federal Way, WA98004 Bellevue, WA98005 Bellevue, WA98006 Bellevue, WA98007 Bellevue, WA98008 Bellevue, WA98011 Bothell, WA98014 King County, WA98019 King County, WA98022 King County, WA98023 Federal Way, WA98024 King County, WA98025 King County, WA98027 King County, WA98028 Kenmore, WA98029 Issaquah, WA98030 Kent, WA98031 Kent, WA98032 Kent, WA98033 Kirkland, WA98034 Kirkland, WA98038 Hobart, WA

See every ZIP code in Washington, or compare ZIP 98010 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.