Marion County OR Information


Marion County Subdivisions

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  1. Marion County 2019 Demographic Data
  2. Growth Rates forMarion County (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Oregon Research Tools (Easy Tools & Current Data)
  3. Oregon Data Comparison Tool - 2019 Demographics

Marion County OR Data & Demographics (As of July 1, 2019)


Total Population 346,566
Population in Households 335,594
Population in Familes 270,895
Population in Group Qrtrs 10,972
Population Density2 293
Diversity Index3 66


Median Household Income $57,265
Average Household Income $75,855
Per Capita Income $27,221


Total Housing Units 129,435 (100%)
Owner Occupied HU 70,619 (54.6%)
Renter Occupied HU 51,695 (39.9%)
Vacant Housing Units 7,121 ( 5.5%)
Median Home Value $276,243
Average Home Value $343,033


Total Households 122,314
Average Household Size 2.74
Family Households 82,386
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2019 2019-2024
Population 1.03% 0.98%
Households 0.86% 0.93%
Families 0.73% 0.84%
Median Household Income   2.68%
Per Capita Income   2.83%


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, 2019 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 # 9 78th
Per Capita Income # 20 47th

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

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Oregon Census Data Comparison Tool

Compare Oregon July 1, 2019 Data
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