Union, OH Profile: Facts, Map & Data


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Union, Ohio - Basic Facts

The City of Union had a population of 6,292 as of July 1, 2017.

The primary coordinate point for Union is located at latitude 39.9169 and longitude -84.2919 in Montgomery County. The formal boundaries for the City of Union (see map below) encompass a land area of 7.18 sq. miles and a water area of 0.08 sq. miles. Montgomery County is in the Eastern time zone (GMT -5). The elevation is 922 feet.

While the primary coordinates for City of Union are located in Montgomery County, it should be noted that the formal boundaries for this community also extend into and Miami County.

The City of Union (GNIS ID: 2397084) has a C6 Census Class Code which indicates an active incorporated place that partially is independent of any county subdivision and serves as a county subdivision equivalent or partially coextensive with a county subdivision but treated as independent of any county subdivision. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

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

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

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City of Union, OH Boundary Map

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Boundary Maps: Township of Union City | Montgomery County | Ohio Counties

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


Total Population 6,292
Daytime Population: Workers 475
Daytime Population: Residents 3,178
Total Daytime Population (TDP) 3,653
Ratio TDP/Total Population1 0.58
Population in Households 6,287
Population in Familes 5,272
Population in Group Qrtrs 5
Population Density2 877
Diversity Index3 17


Median Household Income $54,125
Average Household Income $66,122
Per Capita Income $26,758


Total Housing Units 2,739 (100%)
Owner Occupied HU 2,016 (73.6%)
Renter Occupied HU 511 (18.7%)
Vacant Housing Units 212 ( 7.7%)
Median Home Value $105,870
Average Home Value $126,425


Total Households 2,527
Average Household Size 2.49
Family Households 1,766
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 -0.28% -0.19%
Households -0.15% -0.11%
Families -0.35% -0.24%
Median Household Income   2.61%
Per Capita Income   2.83%

Union, OH - Peer Comparisons by Rank and Percentile

The table below compares Union 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 # 254 79th
Population Density # 804 34th
Diversity Index # 377 69th
Median Household Income # 497 59th
Per Capita Income # 457 62nd

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

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