Mattawa, WA Profile: Facts, Map & Data


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Mattawa, Washington - Basic Facts

The City of Mattawa is an incorporated place (Class Code P1) located in Grant County at latitude 46.7364 and longitude -119.9023. Grant County is in the Pacific time zone (GMT -8). The elevation is 768 feet.

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

The P1 Census Class Code for Mattawa 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 Mattawa (see map below) encompass a land area of 0.74 sq. miles and a water area of 0 sq. miles.

City of Mattawa, WA Boundary Map


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Boundary Maps: Mattawa-Royal City Division | Grant County | Washington Counties

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


Total Population 4,573
Population in Households 4,573
Population in Familes 3,987
Population in Group Qrtrs 0
Population Density1 6,144
Diversity Index2 81


Total Households 810
Average Household Size 5.65
Family Households 735
Average Family Size 5


Total Housing Units 868 (100%)
Owner Occupied HU 298 (34.3%)
Renter Occupied HU 512 (59.0%)
Vacant Housing Units 58 ( 6.7%)
Median Home Value $138,529
Average Home Value $216,077


Median Household Income $30,747
Average Household Income $45,408
Per Capita Income $8,635
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population 0.71% 0.68%
Households 0.56% 0.73%
Families 0.32% 0.7%
Median Household Income   3.28%
Per Capita Income   2.31%
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.


Mattawa, WA - Peer Comparisons by Rank and Percentile

The table below compares Mattawa 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 # 201 68th
Population Density1 # 3 100th
Diversity Index2 # 23 96th
Median Household Income # 604 4th
Per Capita Income # 628 0th

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