Onalaska, WA Profile: Facts, Map & Data


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Onalaska, Washington - Basic Facts

The Onalaska Census Designated Place had a population of 605 as of July 1, 2017.

The primary coordinate point for Onalaska is located at latitude 46.5783 and longitude -122.711 in Lewis County. 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. Lewis County is in the Pacific time zone (GMT -8). The elevation is 489 feet.

The Onalaska Census Designated Place (GNIS ID: 2586742) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

Washington is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The Onalaska Census Designated Place is located within Mineral Division of Lewis County.

Beneath the boundary map are tables with Onalaska population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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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, 2017)


Total Population 605
Daytime Population: Workers 347
Daytime Population: Residents 302
Total Daytime Population (TDP) 649
Ratio TDP/Total Population1 1.07
Population in Households 605
Population in Familes 505
Population in Group Qrtrs 0
Population Density2 380
Diversity Index3 28


Median Household Income $55,283
Average Household Income $65,394
Per Capita Income $24,650


Total Housing Units 253 (100%)
Owner Occupied HU 178 (70.4%)
Renter Occupied HU 53 (20.9%)
Vacant Housing Units 22 ( 8.7%)
Median Home Value $198,750
Average Home Value $224,579


Total Households 231
Average Household Size 2.62
Family Households 167
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. 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 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.


2010-2017 2017-2022
Population -0.36% -0.03%
Households -0.41% -0.09%
Families -0.64% -0.12%
Median Household Income   3.78%
Per Capita Income   3.64%

Onalaska, WA - Peer Comparisons by Rank and Percentile

The table below compares Onalaska to the other 627 incorporated cities, towns and CDPs in Washington by rank and percentile using July 1, 2017 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 # 449 29th
Population Density # 456 27th
Diversity Index # 406 36th
Median Household Income # 329 48th
Per Capita Income # 442 30th

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

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