Home values, rents and more in ZIP code 98010 (Black Diamond, WA)
September 2026 figures from Zillow and the U.S. Census Bureau · updated 2026-11-07
Open 98010 in ProMap- Under $650k
- $650k–$660k
- $660k–$680k
- $680k–$760k
- $760k+
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How 98010 compares
The typical home in ZIP code 98010 (Black Diamond, WA) is worth about $753,000, according to the Zillow Home Value Index for September 2026. Home values in 98010 are 5% above the typical value in the Seattle metro area ($720,000) and 2.1 times the U.S. typical value ($366,000).
Over the past year, home values in 98010 fell 3.6%, compared with −1.6% in the Seattle metro area and +1.2% nationally.
Typical rent is $2,998 a month (Zillow Observed Rent Index), 33% above the Seattle metro area ($2,250) and 1.6 times the U.S. ($1,932). Rents rose 0.8% over the past year.
The median household income is $142,048, against $115,177 in the Seattle metro area and $80,734 in the U.S. (Census Bureau, American Community Survey 2020–24).
About 6,857 people live in 98010 (American Community Survey 2020–24).
98010 has the 59th-highest typical home value of the 155 ZIP codes in the Seattle metro area and the 74th-highest of 484 in Washington with Zillow figures.
Part of: Black Diamond, WA · King County, WA · Seattle metro area · Washington
More for 98010 in ProMap Plus
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- 5- and 10-year price changes
- Days on market and months of supply
- Price cuts and sale-to-list ratio
- Price-to-income and monthly cost to buy
- Zillow 12-month price forecast
- Crime rates
- School test scores
- Homeowners insurance premiums
- Commute time to downtown
- Flood, wildfire and natural hazard risk
- Property-tax rate
- 2024 presidential vote
- Age, education and household make-up
- Amenities and transit nearby
Nearby ZIP codes
Sources
Home values: Zillow Home Value Index (ZHVI), all homes, middle tier, smoothed and seasonally adjusted, September 2026. Rents: Zillow Observed Rent Index (ZORI), seasonally adjusted. Population: Census population estimates (July 2025) for states, metros and counties; ACS 2020–24 for cities and ZIP codes. Income: U.S. Census Bureau, ACS 2020–24 5-year estimates. Boundaries: U.S. Census Bureau cartographic boundary files. Compiled by Home Economics.
"Typical" is Zillow's middle-tier value (homes between the 35th and 65th percentiles), not a median sale price. Changes are over the 12 months to September 2026.