Marion County OR Information


Marion County Subdivisions

Marion County OR Data & Demographics (As of July 1, 2014)


Total Population 322,332
Population in Households 312,005
Population in Familes 253,192
Population in Group Qrtrs 10,327
Population Density1 273
Diversity Index2 64


Total Households 115,247
Average Household Size 2.71
Family Households 77,987
Average Family Size 3


Total Housing Units 123,405 (100%)
Owner Occupied HU 68,335 (55.4%)
Renter Occupied HU 46,912 (38.0%)
Vacant Housing Units 8,158 ( 6.6%)
Median Home Value $184,284
Average Home Value $216,130


Median Household Income $48,144
Average Household Income $61,228
Per Capita Income $22,172
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population 0.52% 0.61%
Households 0.47% 0.64%
Families 0.29% 0.53%
Median Household Income   2.89%
Per Capita Income   2.97%
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.


Marion County OR - Peer Comparisons by Rank and Percentile

The table below compares Marion County to the other 36 counties and county equivalents in Oregon 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 # 5 89th
Population Density1 # 3 94th
Diversity Index2 # 4 92nd
Median Household Income # 12 69th
Per Capita Income # 21 44th

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