Cost of Living in Black Diamond, WA
Cost of Living in Black Diamond, WA has an overall index of 167, 67% above the U.S. baseline of 100. The typical home value is $775,342; typical monthly rent is $2,340; and median household income is $144,728.
Cost index: committed city housing/rent inputs and BEA 2024 metro-area price parities. Home value: Zillow ZHVI market signal as of 2026-02. Rent: Census ACS 2023 fallback place estimate. A place-level signal, not a personal affordability decision or financial recommendation.
Home prices are the main source of pressure. This describes the local market, not your household.
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Frequently asked questions about Black Diamond
Living in Black Diamond
Is Black Diamond, WA an expensive place to live?+
Yes — Black Diamond is about 67% more expensive than the national average, with an overall Cost Index of 167. Housing is the biggest factor: the typical home here is valued around $775,342, and monthly rents average roughly $2,340. Day-to-day costs like groceries and utilities tend to run closer to the national norm.
How does Black Diamond fit a household housing budget?+
Start with housing. Typical monthly rent is $2,340, while local median household income is $144,728. That implies a rent-burden proxy of about 19% before utilities and other costs. Use that as a planning signal for whether the place looks manageable under your own household assumptions.
How much are taxes in Black Diamond, WA?+
This model applies no broad Washington wage-income tax. Applying the 0.98% state-level effective owner-occupied proxy to a home worth $775,342 gives a planning estimate near $7,598 per year; it is not a city, county, parcel, or individual tax bill. State plus average local sales-tax context is around 9.23%.
How much does it cost to rent in Black Diamond, WA?+
The typical monthly rent in Black Diamond is around $2,340. That's about 74% higher than the $1,348 national median. For comparison, the median home value here is $775,342, so buyers should also factor in mortgage payments, property taxes, and insurance.
How much does a house cost in Black Diamond, WA?+
The typical home value in Black Diamond is $775,342. With 20% down and the committed 6.11% national 30-year fixed benchmark as of 2026-03-12, principal and interest are roughly $3,763/month before property tax and insurance. This is a planning estimate, not a local lender quote. About 87% of residents here own their homes.
Are groceries and utilities expensive in Black Diamond?+
Grocery prices in Black Diamond are about average compared to the rest of the US (index: 104, where 100 is the national average). Utility bills (electricity, gas, water) are about typical (index: 93). Overall, these everyday costs shouldn't cause major surprises if you're moving from another similarly-sized US city.
What is Black Diamond, WA like to live in?+
Black Diamond is a small town with a population of about 5,678. The median age of residents is 38.1, which is close to the national median. The local poverty rate is 1.14%, well below the national average of 12.4%.