Black Diamond, Washington
Black Diamond: city in King County, Washington, United States
About
Black Diamond is a city located in the county of King in the U.S. state of Washington. Its population at the 2010 census was 4,151. After 10 years in 2020 city had an estimated population of 5,403 inhabitants.
Quick Facts about Black Diamond
| Population | 5,403 (2020) |
| Country | United States of America |
| State | Washington (United States) |
| County | King County |
| Postal code | 98010 |
| Phone Area Codes | 360 |
| Latitude & Longitude | 47.3087,-122.0032 |
| Altitude | 2,142 feet / 653, 199 meters |
| Time Zone | UTC−08:00, Pacific Time Zone |
| Local time | 01:51:32 (19th April 2026) |
| Population growth | 23.17% (2010-2020) |
| Weather | 45℉ Chance Light Rain 7-days weather |
Geography
Black Diamond is located at 47°18'31"N 122°0'11"W (47.3087100, -122.0031700).
Black Diamond map
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Weather
A chance of rain. Mostly cloudy, with a low around 45.
7-Day ForecastOfficial website of Black Diamond
Official WebsiteDemographics
The population of Black Diamond increased by 23.17% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 4,151 | - | census |
| 2011 | 4,195 | 1.05% | estimation process |
| 2012 | 4,261 | 1.55% | estimation process |
| 2013 | 4,299 | 0.88% | estimation process |
| 2014 | 4,345 | 1.06% | estimation process |
| 2015 | 4,392 | 1.07% | estimation process |
| 2016 | 4,421 | 0.66% | estimation process |
| 2017 | 4,440 | 0.43% | estimation process |
| 2018 | 4,438 | -0.05% | estimation process |
| 2019 | 4,781 | 7.17% | estimation process |
| 2020 | 5,403 | 11.51% | estimation process |
Services and Civic Places in Black Diamond
1Black Diamond City Hall
24301 Roberts Dr, Black Diamond, WA 98010 View details
Phone: +13608514500
Nearby Schools and Colleges
Schools and campuses linked to Black Diamond, WA. Select a name to open its map and contact details.
| Code | Name | City | ZIP |
|---|---|---|---|
| 235343 | Green River College | Auburn (WA) | 98092-3622 |
Nearby Transit Stations (16)
Rail and bus stations connected to Black Diamond, WA. Select a station to open its map and address details.
| Code | Name | Address | Type |
|---|---|---|---|
| TUK | Tukwila station | 7301 South 158th St. | RAIL |
| TAC | Tacoma Dome Station | 1001 Puyallup Avenue | RAIL |
| SEA | King Street Station | 303 South Jackson Street | RAIL |
| SVF | Seattle (Ferry - Pier 69), Washington | 2701 Alaskan Way | OTHER |
| MEW | Monroe, Washington | 118 North Lewis St., Suite 112 | BUS |
Closest post offices linked to Black Diamond.
| Post Office Name | City | ZIP |
|---|---|---|
| Black Diamond Post Office | Black Diamond (WA) | 98010 |
Other cities in King County
Cities, towns, neighborhoods & other populated places in King County , WA. (more)
| City Name | Population | Title |
|---|---|---|
| Seattle | 769,714 | The eighteenth most populous city in the United States and the center of the Seattle metropolitan area. |
| Bellevue | 148,073 | The most populous city in Washington. |
| Kent | 130,676 | The fourth most populous city in King County, Washington. |
| Renton | 101,494 | The second most populous city in King County, Washington. |
| Federal Way | 96,307 | A city in King County, Washington. |
| Kirkland | 95,431 | A city in King County, Washington. |
| Auburn | 81,024 | The second most populous city in Pierce County, Washington. |
| Redmond | 72,507 | The second most populous city in King County, Washington. |
| Sammamish | 65,960 | Town |
| Shoreline | 58,197 | Town in Washington |
| Burien | 51,268 | Town in Washington, United States |
| Bothell | 47,524 | A city in King County, Washington. |
| Issaquah | 39,681 | A city in King County, Washington. |
| West Lake Sammamish | 33,929 | Census designated place |
| Des Moines | 32,389 | City in Washington |
| SeaTac | 28,904 | Airport in SeaTac, Washington, USA |
Distance to Other Cities
Black Diamond distances to largest Washington cities