Columbia County OR Information


Columbia County Subdivisions

Columbia County OR Data & Demographics (As of July 1, 2015)


Total Population 49,270
Population in Households 48,815
Population in Familes 39,948
Population in Group Qrtrs 455
Population Density1 75
Diversity Index2 25


Total Households 19,360
Average Household Size 2.52
Family Households 13,517
Average Family Size 3


Total Housing Units 20,952 (100%)
Owner Occupied HU 14,057 (67.1%)
Renter Occupied HU 5,303 (25.3%)
Vacant Housing Units 1,592 ( 7.6%)
Median Home Value $207,649
Average Home Value $244,026


Median Household Income $60,854
Average Household Income $70,140
Per Capita Income $27,615
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.03% 0.05%
Households 0.18% 0.15%
Families 0.0% 0.04%
Median Household Income   2.9%
Per Capita Income   2.45%
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.


Columbia County OR - Peer Comparisons by Rank and Percentile

The table below compares Columbia County to the other 36 counties and county equivalents in Oregon by rank and percentile using July 1, 2015 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 # 17 56th
Population Density1 # 10 75th
Diversity Index2 # 32 14th
Median Household Income # 3 94th
Per Capita Income # 6 86th

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