Niles, OH Profile: Facts, Map & Data


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Niles, Ohio - Basic Facts

The City of Niles had a population of 18,745 as of July 1, 2017. Niles ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Ohio. See peer rankings below.

The primary coordinate point for Niles is located at latitude 41.1878 and longitude -80.7531 in Trumbull County. The formal boundaries for the City of Niles (see map below) encompass a land area of 8.61 sq. miles and a water area of 0.02 sq. miles. Trumbull County is in the Eastern time zone (GMT -5). The elevation is 883 feet.

The City of Niles (GNIS ID: 2395235) 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 Niles is located within Township of Weathersfield, a minor civil division (MCD) of Trumbull County.

Beneath the boundary map are tables with Niles 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 Niles: Heatons Furnace, Mahoning, Mahoning Salt Springs, Mohoning, Niles City, Nilestown.

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City of Niles, OH Boundary Map

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Boundary Maps: Township of Weathersfield | Trumbull County | Ohio Counties

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


Total Population 18,745
Daytime Population: Workers 10,237
Daytime Population: Residents 10,722
Total Daytime Population (TDP) 20,959
Ratio TDP/Total Population1 1.12
Population in Households 18,576
Population in Familes 13,901
Population in Group Qrtrs 169
Population Density2 2,177
Diversity Index3 18


Median Household Income $38,762
Average Household Income $50,785
Per Capita Income $22,662


Total Housing Units 9,467 (100%)
Owner Occupied HU 4,847 (51.2%)
Renter Occupied HU 3,490 (36.9%)
Vacant Housing Units 1,130 (11.9%)
Median Home Value $81,422
Average Home Value $103,560


Total Households 8,337
Average Household Size 2.23
Family Households 4,826
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 -0.38% -0.6%
Households -0.27% -0.53%
Families -0.41% -0.71%
Median Household Income   2.34%
Per Capita Income   3.16%

Niles, OH - Peer Comparisons by Rank and Percentile

The table below compares Niles 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 # 99 92nd
Population Density # 213 83rd
Diversity Index # 369 70th
Median Household Income # 1050 14th
Per Capita Income # 823 32nd

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

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