Kennewick, WA Profile: Facts, Map & Data


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Kennewick, Washington - Basic Facts

The City of Kennewick is an incorporated place (Class Code P1) located in Benton County at latitude 46.1983 and longitude -119.1736. Benton County is in the Pacific time zone (GMT -8). The elevation is 407 feet.

The formal official name is the City of Kennewick, but most people and references simply refer to it as Kennewick, Washington.

The P1 Census Class Code for Kennewick indicates a populated place that is also an incorporated place with the same name and the same census code. The Incorporated Place has a Functional Status Code "A" which identifies an active government providing primary general-purpose functions.

The formal boundaries for the City of Kennewick (see map below) encompass a land area of 26.87 sq. miles and a water area of 1.43 sq. miles.

City of Kennewick, WA Boundary Map


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Boundary Maps: Richland-Kennewick Division | Benton County | Washington Counties

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Kennewick, WA Data & Demographics (As of July 1, 2014)


Total Population 78,380
Population in Households 77,447
Population in Familes 62,993
Population in Group Qrtrs 933
Population Density1 2,910
Diversity Index2 64


Total Households 28,958
Average Household Size 2.67
Family Households 19,556
Average Family Size 3


Total Housing Units 30,411 (100%)
Owner Occupied HU 17,374 (57.1%)
Renter Occupied HU 11,584 (38.1%)
Vacant Housing Units 1,453 ( 4.8%)
Median Home Value $206,719
Average Home Value $230,815


Median Household Income $52,743
Average Household Income $69,585
Per Capita Income $25,860
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population 1.39% 1.44%
Households 1.43% 1.49%
Families 1.28% 1.38%
Median Household Income   3.15%
Per Capita Income   3.08%
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 - Peer Comparisons by Rank and Percentile

The table below compares Kennewick to the other 628 incorporated cities, towns and CDPs in Washington by rank and percentile using July 1, 2014 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 # 13 98th
Population Density1 # 88 86th
Diversity Index2 # 88 86th
Median Household Income # 316 50th
Per Capita Income # 308 51st

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