Marion County MO Information


Marion County Subdivisions

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  1. Marion County 2018 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. Missouri Research Tools (Easy Tools & Current Data)
  3. Missouri Data Comparison Tool - 2018 Demographics

Marion County MO Data & Demographics (As of July 1, 2018)


Total Population 29,291
Population in Households 27,923
Population in Familes 22,214
Population in Group Qrtrs 1,368
Population Density2 67
Diversity Index3 20


Median Household Income $44,624
Average Household Income $60,651
Per Capita Income $24,347


Total Housing Units 13,053 (100%)
Owner Occupied HU 7,370 (56.5%)
Renter Occupied HU 4,147 (31.8%)
Vacant Housing Units 1,536 (11.8%)
Median Home Value $119,062
Average Home Value $161,852


Total Households 11,517
Average Household Size 2.42
Family Households 7,496
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.


2010-2018 2018-2023
Population 0.21% 0.22%
Households 0.15% 0.19%
Families 0.02% 0.11%
Median Household Income   2.3%
Per Capita Income   2.51%


Marion County MO - Peer Comparisons by Rank and Percentile

The table below compares Marion County to the other 115 counties and county equivalents in Missouri 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 # 40 66th
Population Density # 26 78th
Diversity Index # 39 67th
Median Household Income # 44 63rd
Per Capita Income # 37 69th

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

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Missouri Census Data Comparison Tool

Compare Missouri July 1, 2018 Data
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