Ontario, OH Profile: Facts, Map & Data


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Ontario, Ohio - Basic Facts

The City of Ontario had a population of 6,313 as of July 1, 2017. Ontario ranks in the lower quartile for Population Density and the upper quartile for 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 Ontario is located at latitude 40.7685 and longitude -82.6169 in Richland County. The formal boundaries for the City of Ontario (see map below) encompass a land area of 11.08 sq. miles and a water area of 0.02 sq. miles. Richland County is in the Eastern time zone (GMT -5). The elevation is 1,355 feet.

The City of Ontario (GNIS ID: 2396070) 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 Ontario is located within Township of Springfield, a minor civil division (MCD) of Richland County.

Beneath the boundary map are tables with Ontario 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 Ontario: New Castle.

EXTREMELY LOCAL Demographic Data

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City of Ontario, OH Boundary Map

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Boundary Maps: Township of Springfield | Richland County | Ohio Counties

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


Total Population 6,313
Daytime Population: Workers 8,231
Daytime Population: Residents 3,318
Total Daytime Population (TDP) 11,549
Ratio TDP/Total Population1 1.83
Population in Households 6,136
Population in Familes 4,992
Population in Group Qrtrs 177
Population Density2 570
Diversity Index3 22


Median Household Income $51,454
Average Household Income $66,544
Per Capita Income $28,371


Total Housing Units 2,828 (100%)
Owner Occupied HU 1,813 (64.1%)
Renter Occupied HU 864 (30.6%)
Vacant Housing Units 150 ( 5.3%)
Median Home Value $133,796
Average Home Value $156,867


Total Households 2,678
Average Household Size 2.29
Family Households 1,778
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 0.19% -0.04%
Households 0.32% 0.01%
Families 0.23% -0.16%
Median Household Income   2.63%
Per Capita Income   3.12%

Ontario, OH - Peer Comparisons by Rank and Percentile

The table below compares Ontario 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 # 253 79th
Population Density # 986 19th
Diversity Index # 274 78th
Median Household Income # 614 50th
Per Capita Income # 351 71st

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

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