Onalaska, WA Profile: Facts, Map & Data


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Onalaska, Washington - Basic Facts

The Onalaska Census Designated Place is a community or populated place (Class Code U5) located in Lewis County at latitude 46.5783 and longitude -122.711. Lewis County is in the Pacific time zone (GMT -8). The elevation is 489 feet.

The formal official name is the Onalaska Census Designated Place, but most people and references simply refer to it as Onalaska, Washington.

The U5 Census Class Code for Onalaska indicates a populated place that is also a census designated place with the same name.. The Census Designated Place has a Functional Status Code "S" which identifies a statistical entity.

The formal boundaries for the Onalaska Census Designated Place (see map below) encompass a land area of 1.59 sq. miles and a water area of 0 sq. miles.

Onalaska Census Designated Place, WA Boundary Map


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Boundary Maps: Mineral Division | Lewis County | Washington Counties

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


Total Population 593
Population in Households 593
Population in Familes 495
Population in Group Qrtrs 0
Population Density1 372
Diversity Index2 26


Total Households 228
Average Household Size 2.6
Family Households 165
Average Family Size 3


Total Housing Units 253 (100%)
Owner Occupied HU 175 (69.2%)
Renter Occupied HU 53 (20.9%)
Vacant Housing Units 25 ( 9.9%)
Median Home Value $191,667
Average Home Value $208,621


Median Household Income $42,117
Average Household Income $54,531
Per Capita Income $20,876
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population -1.08% -0.72%
Households -1.0% -0.71%
Families -1.37% -0.86%
Median Household Income   2.82%
Per Capita Income   2.36%
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.


Onalaska, WA - Peer Comparisons by Rank and Percentile

The table below compares Onalaska 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 # 445 29th
Population Density1 # 455 28th
Diversity Index2 # 412 35th
Median Household Income # 463 26th
Per Capita Income # 486 23rd

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