Mason, OH Profile: Facts, Map & Data


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Mason, Ohio - Basic Facts

The City of Mason had a population of 33,096 as of July 1, 2017. Mason ranks in 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 Mason is located at latitude 39.3517 and longitude -84.302 in Warren County. The formal boundaries for the City of Mason (see map below) encompass a land area of 18.65 sq. miles and a water area of 0.04 sq. miles. Warren County is in the Eastern time zone (GMT -5). The elevation is 807 feet.

The City of Mason (GNIS ID: 2395039) has a C2 Census Class Code which indicates an active incorporated place legally 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.

Beneath the boundary map are tables with Mason 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 Mason: Kirkwood, Palmyra.

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City of Mason, OH Boundary Map

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


Total Population 33,096
Daytime Population: Workers 21,550
Daytime Population: Residents 16,359
Total Daytime Population (TDP) 37,909
Ratio TDP/Total Population1 1.15
Population in Households 32,940
Population in Familes 29,078
Population in Group Qrtrs 156
Population Density2 1,775
Diversity Index3 39


Median Household Income $91,839
Average Household Income $118,891
Per Capita Income $42,144


Total Housing Units 12,302 (100%)
Owner Occupied HU 9,630 (78.3%)
Renter Occupied HU 2,172 (17.7%)
Vacant Housing Units 500 ( 4.1%)
Median Home Value $263,047
Average Home Value $307,227


Total Households 11,802
Average Household Size 2.79
Family Households 8,731
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 1.04% 1.05%
Households 0.96% 1.01%
Families 0.86% 0.87%
Median Household Income   1.8%
Per Capita Income   2.38%

Mason, OH - Peer Comparisons by Rank and Percentile

The table below compares Mason 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 # 44 96th
Population Density # 350 71st
Diversity Index # 108 91st
Median Household Income # 57 95th
Per Capita Income # 81 93rd

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

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