Marion County OR Information


Marion County Subdivisions

Marion County OR Data & Demographics (As of July 1, 2016)


Total Population 330,164
Population in Households 319,490
Population in Familes 258,212
Population in Group Qrtrs 10,674
Population Density1 279
Diversity Index2 65


Total Households 116,876
Average Household Size 2.73
Family Households 78,859
Average Family Size 3


Total Housing Units 125,177 (100%)
Owner Occupied HU 67,674 (54.1%)
Renter Occupied HU 49,202 (39.3%)
Vacant Housing Units 8,301 ( 6.6%)
Median Home Value $206,289
Average Home Value $261,409


Median Household Income $48,670
Average Household Income $64,273
Per Capita Income $23,457
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.74% 0.86%
Households 0.55% 0.76%
Families 0.37% 0.65%
Median Household Income   2.38%
Per Capita Income   1.72%
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, 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 # 5 89th
Population Density1 # 3 94th
Diversity Index2 # 4 92nd
Median Household Income # 12 69th
Per Capita Income # 25 33rd

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