Black Diamond, WA Profile: Facts & Data

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Black Diamond, Washington - Basic Facts

The City of Black Diamond had a population of 4,629 as of July 1, 2018.

The primary coordinate point for Black Diamond is located at latitude 47.3147 and longitude -122.0177 in King County. The formal boundaries for the City of Black Diamond (see map below) encompass a land area of 6.55 sq. miles and a water area of 0.64 sq. miles. King County is in the Pacific time zone (GMT -8). The elevation is 653 feet.

The City of Black Diamond (GNIS ID: 2409855) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Washington is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Black Diamond is located within Enumclaw Plateau Division of King County.


Jump to... (On This Page!)
  1. Black Diamond 2018 Demographic Data
  2. Growth Rates for Black Diamond (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Washington Research Tools (Easy Tools & Current Data)
  3. Washington Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


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Black Diamond, WA Data & Demographics (As of July 1, 2018)

POPULATION

Total Population 4,629
Population in Households 4,629
Population in Familes 4,000
Population in Group Qrtrs 0
Population Density2 706
Diversity Index3 25
 

INCOME

Median Household Income $108,516
Average Household Income $139,204
Per Capita Income $49,996

HOUSING

Total Housing Units 1,838 (100%)
Owner Occupied HU 1,450 (78.9%)
Renter Occupied HU 235 (12.8%)
Vacant Housing Units 153 ( 8.3%)
Median Home Value $459,704
Average Home Value $540,283
 

HOUSEHOLDS

Total Households 1,685
Average Household Size 2.75
Family Households 1,295
Average Family Size 3
NOTES
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.

GROWTH RATE / YEAR

2010-2018 2018-2023
Population 1.32% 1.34%
Households 1.04% 1.14%
Families 1.36% 1.22%
Median Household Income   1.78%
Per Capita Income   2.43%

Black Diamond, WA - Peer Comparisons by Rank and Percentile

The table below compares Black Diamond to the other 627 incorporated cities, towns and CDPs in Washington by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 198 69th
Population Density # 367 42nd
Diversity Index # 466 26th
Median Household Income # 38 94th
Per Capita Income # 54 92nd

Additional comparisons and rankings can be made with a VERY EASY TO USE Washington Census Data Comparison Tool.

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