Lewis County WA Information


Lewis County Subdivisions

Lewis County WA Data & Demographics (As of July 1, 2016)


Total Population 76,029
Population in Households 75,081
Population in Familes 59,975
Population in Group Qrtrs 948
Population Density1 32
Diversity Index2 37


Total Households 30,052
Average Household Size 2.5
Family Households 20,222
Average Family Size 3


Total Housing Units 34,829 (100%)
Owner Occupied HU 20,690 (59.4%)
Renter Occupied HU 9,362 (26.9%)
Vacant Housing Units 4,777 (13.7%)
Median Home Value $196,365
Average Home Value $228,324


Median Household Income $45,866
Average Household Income $57,744
Per Capita Income $23,048
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.12% 0.03%
Households 0.17% 0.06%
Families 0.09% 0.02%
Median Household Income   2.69%
Per Capita Income   2.02%
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.


Lewis County WA - Peer Comparisons by Rank and Percentile

The table below compares Lewis County to the other 39 counties and county equivalents 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 # 16 62nd
Population Density1 # 22 46th
Diversity Index2 # 25 38th
Median Household Income # 24 41st
Per Capita Income # 31 23rd

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