Marion, OH Profile: Facts, Map & Data


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Marion, Ohio - Basic Facts

The City of Marion had a population of 36,631 as of July 1, 2017. 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 40.5933 and longitude -83.123 in Marion County. The formal boundaries for the City of Marion (see map below) 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.

Beneath the boundary map are tables with Marion population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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

Neighborhood Data

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City of Marion, OH Boundary Map

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Boundary Maps: Township of Marion | Marion County | Ohio Counties

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


Total Population 36,631
Daytime Population: Workers 15,820
Daytime Population: Residents 18,915
Total Daytime Population (TDP) 34,735
Ratio TDP/Total Population1 0.95
Population in Households 30,803
Population in Familes 23,739
Population in Group Qrtrs 5,828
Population Density2 3,111
Diversity Index3 33


Median Household Income $36,121
Average Household Income $47,096
Per Capita Income $16,939


Total Housing Units 15,092 (100%)
Owner Occupied HU 6,892 (45.7%)
Renter Occupied HU 5,689 (37.7%)
Vacant Housing Units 2,511 (16.6%)
Median Home Value $81,418
Average Home Value $99,260


Total Households 12,581
Average Household Size 2.45
Family Households 7,896
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 -0.08% -0.38%
Households -0.31% -0.42%
Families -0.48% -0.59%
Median Household Income   0.43%
Per Capita Income   1.75%

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, 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 # 36 97th
Population Density # 78 94th
Diversity Index # 142 88th
Median Household Income # 1118 8th
Per Capita Income # 1172 4th

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

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