Marion, OH Profile: Facts & Data


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Marion, Ohio - Basic Facts

The City of Marion had a population of 36,783 as of July 1, 2018. Marion ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Ohio. See peer rankings below.

The primary coordinate point for Marion is located at latitude 40.5887 and longitude -83.1285 in Marion County. The formal boundaries for the City of Marion encompass a land area of 11.77 sq. miles and a water area of 0.08 sq. miles. Marion County is in the Eastern time zone (GMT -5). The elevation is 981 feet.

The City of Marion (GNIS ID: 2395008) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Marion is located within Township of Marion, a minor civil division (MCD) of Marion County.

Alternate Unofficial Names for Marion: Jacobs Well, Marion Court House.

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  1. Marion 2018 Demographic Data
  2. Growth Rates for Marion (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Ohio Research Tools (Easy Tools & Current Data)
  3. Ohio Data Comparison Tool - 2018 Demographics

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


Total Population 36,783
Population in Households 30,736
Population in Familes 23,804
Population in Group Qrtrs 6,047
Population Density2 3,124
Diversity Index3 33


Median Household Income $37,918
Average Household Income $48,557
Per Capita Income $17,355


Total Housing Units 15,125 (100%)
Owner Occupied HU 7,123 (47.1%)
Renter Occupied HU 5,428 (35.9%)
Vacant Housing Units 2,574 (17.0%)
Median Home Value $82,410
Average Home Value $101,941


Total Households 12,551
Average Household Size 2.45
Family Households 7,862
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 -0.02% -0.4%
Households -0.3% -0.45%
Families -0.47% -0.61%
Median Household Income   2.35%
Per Capita Income   2.85%

Marion, OH - Peer Comparisons by Rank and Percentile

The table below compares Marion to the other 1,215 incorporated cities, towns and CDPs in Ohio 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 # 36 97th
Population Density # 75 94th
Diversity Index # 142 88th
Median Household Income # 1095 10th
Per Capita Income # 1179 3rd

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

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