Kennewick, WA 99338 ZIP Code Profile

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Kennewick, WA

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ZIP Code 99338: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Kennewick, WA 99338

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 117
  • Single Family Addresses: 4,756
  • Multi-Family Addresses: 550
  • County: Benton County
  • Centroid: Latitude 46.212, Longitude -119.138
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


99338 ZIP Code Map

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Kennewick, WA 99338 Data & Demographics (As of July 1, 2016)


Total Population 14,408
Population in Households 14,407
Population in Familes 13,106
Population in Group Qrtrs 1
Population Density1 75
Diversity Index2 37


Total Households 4,980
Average Household Size 2.89
Family Households 4,126
Average Family Size 3


Total Housing Units 5,189 (100%)
Owner Occupied HU 4,588 (88.4%)
Renter Occupied HU 392 ( 7.6%)
Vacant Housing Units 209 ( 4.0%)
Median Home Value $270,162
Average Home Value $318,979


Median Household Income $100,840
Average Household Income $116,890
Per Capita Income $40,404
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 3.44% 2.62%
Households 3.34% 2.52%
Families 3.25% 2.47%
Median Household Income   1.51%
Per Capita Income   1.7%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Kennewick, WA 99338 - Peer Comparisons by Rank and Percentile

The table below compares 99338 to the other 585 ZIP Codes in Washington by rank and percentile using July 1, 2016 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 # 201 66th
Population Density1 # 334 43rd
Diversity Index2 # 294 50th
Median Household Income # 20 97th
Per Capita Income # 64 89th

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