Columbia County OR Information


Columbia County Subdivisions

Columbia County OR Data & Demographics (As of July 1, 2018)


Total Population 51,479
Population in Households 51,024
Population in Familes 41,568
Population in Group Qrtrs 455
Population Density2 78
Diversity Index3 26


Median Household Income $61,700
Average Household Income $76,572
Per Capita Income $29,796


Total Housing Units 21,457 (100%)
Owner Occupied HU 14,050 (65.5%)
Renter Occupied HU 5,815 (27.1%)
Vacant Housing Units 1,592 ( 7.4%)
Median Home Value $286,256
Average Home Value $332,404


Total Households 19,865
Average Household Size 2.57
Family Households 13,863
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 0.51% 0.85%
Households 0.42% 0.79%
Families 0.31% 0.72%
Median Household Income   2.57%
Per Capita Income   2.87%


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, 2018 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 Density # 10 75th
Diversity Index # 31 17th
Median Household Income # 5 89th
Per Capita Income # 7 83rd

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