What is the cost of living in Black Diamond, WA?
According to the most recent data on the cost of living, Black Diamond has an overall cost of living index of 149, which is 1.5x higher than the national index of 100.
Compared to Washington, Black Diamond has a cost of living index that's 1.2x higher than Washington's index of 120.
The standard of living in Black Diamond ranks as #153 most affordable out of the 191 places we measured in Washington. By definition, that implies Black Diamond ranks as the #38 most expensive place in the Evergreen State.
For more reading on life in Black Diamond, check out:
Black Diamond Cost Of Living Vs. Washington
Six factors go into calculating the cost of living index in Black Diamond. Here is how it fares on each of the criteria:
The Services index in Black Diamond is 108.
The Groceries index in Black Diamond is 111.
The Health index in Black Diamond is 232.
The Housing index in Black Diamond is 114.
The Transportation index in Black Diamond is 112.
The Utilities index in Black Diamond is 107.
| Living Expense | Black Diamond | Washington | National Average |
|---|---|---|---|
| Overall | 149 | 120 | 100 |
| Services | 108 | 108 | 100 |
| Groceries | 111 | 108 | 100 |
| Health | 232 | 137 | 100 |
| Housing | 114 | 111 | 100 |
| Transportation | 112 | 111 | 100 |
| Utilities | 107 | 110 | 100 |
Black Diamond Cost Of Living Compared To Washington Averages
Index where 100 = national average. Source: cost-of-living index 2026.
For more reading on cost of living around Washington, check out:
Protect your home budget Compare home warranties in Black Diamond Get matched →Source: Cost-of-living index 2026, normalized to US average = 100
Black Diamond, WA Housing Cost Breakdown
Housing swings affordability the most between places in Washington, so we broke down housing costs into more detail. Home and income data comes from the most recent US Census ACS 2020-2024. The key points are:
The Median Home Value in Black Diamond is $776,133.
The Median Rent in Black Diamond is $1,453.
The Median Income in Black Diamond is $141,383.
The Home Value To Income in Black Diamond is 5.5x.
The Rent To Monthly Income in Black Diamond is 0.12x.
| Statistic | Black Diamond | Washington | United States |
|---|---|---|---|
| Median Home Value | $776,133 | $601,016 | $332,700 |
| Median Rent | $1,453 | $1,760 | $1,413 |
| Median Income | $141,383 | $98,141 | $80,734 |
| Home Value To Income | 5.5x | 6.1x | 4.1x |
| Rent To Monthly Income | 0.12x | 0.22x | 0.21x |
Black Diamond, WA Costs By Category
Detailed Black Diamond Services costs vs. Washington
| Item | Black Diamond | Washington |
|---|---|---|
| Shampoo | $1.24 | $1.28 |
| Movie | $11.87 | $12.13 |
| Bowling | $17.56 | $18 |
| Haircut | $32.12 | $24.26 |
| Beauty Salon | $43.48 | $45.56 |
Detailed Black Diamond Groceries costs vs. Washington
| Item | Black Diamond | Washington |
|---|---|---|
| Ground Beef | $5.66 | $5.84 |
| Fried Chicken | $2.78 | $1.57 |
| Milk | $4.85 | $4.67 |
| Potatoes | $4.43 | $4.93 |
| Pizza | $14.86 | $12.09 |
| Beer | $11.77 | $10.41 |
| Toothpaste | $3.46 | $3.7 |
Detailed Black Diamond Health costs vs. Washington
| Item | Black Diamond | Washington |
|---|---|---|
| Optometrist | $242.14 | $125.68 |
| Doctor | $139.77 | $135.78 |
| Dentist | $164.3 | $113.29 |
Detailed Black Diamond Transportation costs vs. Washington
| Item | Black Diamond | Washington |
|---|---|---|
| Gasoline | $4.39 | $3.46 |
| Tire Balancing | $77.69 | $59.92 |
Detailed Black Diamond Utilities costs vs. Washington
| Item | Black Diamond | Washington |
|---|---|---|
| All Electricity | $175.38 | $193.99 |
| Phone | $207.11 | $192.25 |
Black Diamond SnackAbility
Cost Of Living In Cities Around Black Diamond
The cost of living varies in the cities and towns around Black Diamond. Here's a quick look at the cost of living in the most populous nearby places:
Auburn, WA has a cost of living index of 133, 0.9x Black Diamond.
Puyallup, WA has a cost of living index of 128, 0.9x Black Diamond.
SeaTac, WA has a cost of living index of 128, 0.9x Black Diamond.
| City | Population | Cost Of Living | Vs. Black Diamond |
|---|---|---|---|
| Auburn, WA | 85,676 | 133 | 0.9x |
| Puyallup, WA | 42,746 | 128 | 0.9x |
| SeaTac, WA | 32,414 | 128 | 0.9x |
| Maple Valley, WA | 28,287 | 148 | 1.0x |
| Bonney Lake, WA | 22,090 | 137 | 0.9x |
| Covington, WA | 21,233 | 140 | 0.9x |
| Enumclaw, WA | 12,798 | 127 | 0.9x |
| Lake Tapps, WA | 12,798 | 149 | 1.0x |
| Lake Morton-Berrydale, WA | 11,183 | 143 | 1.0x |
| Fife, WA | 10,949 | 127 | 0.9x |








