Sudden Valley, WA Profile: Facts & Data

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Sudden Valley, Washington - Basic Facts

The Sudden Valley CDP(1) had a population of 6,584 as of July 1, 2024.

The primary coordinate point for Sudden Valley is located at latitude 48.7229 and longitude -122.3465 in Whatcom County. The formal boundaries for the Sudden Valley Census Designated Place encompass a land area of 6.25 sq. miles and a water area of 1.86 sq. miles. Whatcom County is in the Pacific time zone (GMT -8).

The Sudden Valley Census Designated Place has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

Washington is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The Sudden Valley Census Designated Place is located within Bellingham Division of Whatcom County.


  1. A Census Designated Place (CDP) is a statistical counterpart to a self-governing (incorporated) place such as a city, town, or village. A CDP is not a legal entity and has no governmental functions.

Jump to... (On This Page!)
  1. Sudden Valley 2024 Demographic Data
  2. Growth Rates for Sudden Valley (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 - 2024 Demographics
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Sudden Valley, WA Data & Demographics (As of July 1, 2024)

POPULATION

Total Population 6,584 (100%)
Population in Households 6,584 (100.0%)
Population in Families 5,286 (80.3%)
Population in Group Quarters1 0
Population Density 1,539
Diversity Index2 42
 
 

INCOME

Median Household Income $102,180
Average Household Income $126,077
% of Income for Mortgage4 37%
Per Capita Income $51,262
Wealth Index5 127
Socioeconomic Status Index6 Moderate (62.1)
 

HOUSING

Total HU (Housing Units) 2,900 (100%)
Owner Occupied HU 2,388 (82.3%)
Renter Occupied HU 289 ( 10.0%)
Vacant Housing Units 223 ( 7.7%)
Median Home Value $600,048
Average Home Value $694,263
Housing Affordability Index3 68
 

HOUSEHOLDS

Total Households 2,677
Average Household Size 2.46
Family Households 1,871
Average Family Size 3.00
NOTES
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.
  6. The Socioeconomic Index ranges from zero (lowest relative status) to 100 (highest relative status). This measure quantifies disparities in social position of an area's inhabitants and is built from a broad range of demographic, housing, and socioeconomic inputs. More information on this measure can be found in Esri's SEI tutorial.

GROWTH RATE / YEAR

2020-2024 2024-2029
Population 0.84% 0.58%
Households 1.13% 0.77%
Families   0.83%
Median Household Income   1.64%
Per Capita Income   3.21%
Owner Occupied HU   1.14%

Sudden Valley, WA - Peer Comparisons by Rank and Percentile

The table below compares Sudden Valley to the other 639 incorporated cities, towns and CDPs in Washington by rank and percentile using July 1, 2024 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 # 173 73rd
Population Density # 207 68th
Median Household Income # 193 70th
Housing Affordability Index # 359 56th
Per Capita Income # 211 67th
Diversity Index # 378 41st

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

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