Marion County OR Information


Marion County Subdivisions

Marion County OR Data & Demographics (As of July 1, 2017)


Total Population 337,117
Daytime Population: Workers 161,538
Daytime Population: Residents 178,615
Total Daytime Population (TDP) 340,153
Ratio TDP/Total Population1 1.01
Population in Households 326,392
Population in Familes 263,645
Population in Group Qrtrs 10,725
Population Density2 285
Diversity Index3 65


Median Household Income $52,294
Average Household Income $68,574
Per Capita Income $24,906


Total Housing Units 126,964 (100%)
Owner Occupied HU 69,865 (55.0%)
Renter Occupied HU 49,165 (38.7%)
Vacant Housing Units 7,934 ( 6.2%)
Median Home Value $219,038
Average Home Value $268,583


Total Households 119,030
Average Household Size 2.74
Family Households 80,289
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 0.93% 0.95%
Households 0.72% 0.88%
Families 0.57% 0.79%
Median Household Income   2.4%
Per Capita Income   2.67%


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, 2017 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 Density # 3 94th
Diversity Index # 4 92nd
Median Household Income # 11 72nd
Per Capita Income # 18 53rd

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