Brush Prairie, WA 98606 ZIP Code Profile

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Brush Prairie, WA

ZIP Code 98606: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Brush Prairie, WA 98606

  • ZIP Code Type: STANDARD
  • County: Clark County
  • Centroid: Latitude 45.736, Longitude -122.476
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes
  • Businesses Addresses: 353
  • PO Box Addresses: 768
  • Residential Addresses: 3,030
    • Multi-Family Addresses: 2
    • Single Family Addresses: 3,028

The ZIP Code maps and database are updated 4 times per year.
Database updated: July 1, 2020, Maps updated: August 4, 2020.


Brush Prairie, WA 98606 Data & Demographics (As of July 1, 2020)


Total Population 10,446 (100%)
Population in Households 10,396 (99.5%)
Population in Families 9,425 (90.2%)
Population in Group Quarters1 50 ( 0.5%)
Population Density 319
Diversity Index2 22


Median Household Income $104,960
Average Household Income $124,653
% of Income for Mortgage4 20%
Per Capita Income $40,626
Wealth Index5 184


Total HU (Housing Units) 3,527 (100%)
Owner Occupied HU 3,040 (86.2%)
Renter Occupied HU 364 (10.3%)
Vacant Housing Units 123 ( 3.5%)
Median Home Value $496,999
Average Home Value $588,413
Housing Affordability Index3 126


Total Households 3,404
Average Household Size 3.05
Family Households 2,831
Average Family Size 3
  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.


2010-2020 2020-2025
Population 1.1% 1.24%
Households 1.04% 1.2%
Families 1.04% 1.17%
Median Household Income   1.34%
Per Capita Income   2.44%
Owner Occupied HU   1.24%

Brush Prairie, WA 98606 - Peer Comparisons by Rank and Percentile

The table below compares 98606 to the other 588 ZIP Codes in Washington by rank and percentile using July 1, 2020 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 # 232 61st
Population Density # 231 61st
Median Household Income # 58 90th
Housing Affordability Index # 306 52nd
Per Capita Income # 153 74th
Diversity Index # 498 16th

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

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