Delaware, OH Profile: Facts & Data


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Delaware, Ohio - Basic Facts

The City of Delaware had a population of 39,576 as of July 1, 2018. Delaware 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 Delaware is located at latitude 40.2865 and longitude -83.0749 in Delaware County. The formal boundaries for the City of Delaware (see map below) encompass a land area of 19.01 sq. miles and a water area of 0.12 sq. miles. Delaware County is in the Eastern time zone (GMT -5). The elevation is 869 feet.

The City of Delaware (GNIS ID: 2394498) 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 Delaware is located within Township of Delaware City, a minor civil division (MCD) of Delaware County.

Beneath the boundary map are tables with Delaware population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2018.

Alternate Unofficial Names for Delaware: Millville.

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Delaware, OH Data & Demographics (As of July 1, 2018)


Total Population 39,576
Population in Households 37,661
Population in Familes 30,367
Population in Group Qrtrs 1,915
Population Density1 2,082
Diversity Index2 26


Median Household Income $62,896
Average Household Income $77,738
Per Capita Income $30,485


Total Housing Units 16,115 (100%)
Owner Occupied HU 8,734 (54.2%)
Renter Occupied HU 6,395 (39.7%)
Vacant Housing Units 987 ( 6.1%)
Median Home Value $175,512
Average Home Value $197,114


Total Households 15,128
Average Household Size 2.49
Family Households 9,883
Average Family Size 3
  1. Population Density = Total Population per square mile.
  2. 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 1.59% 1.52%
Households 1.61% 1.58%
Families 1.73% 1.51%
Median Household Income   2.87%
Per Capita Income   2.93%

Delaware, OH - Peer Comparisons by Rank and Percentile

The table below compares Delaware to the other 1,215 incorporated cities, towns and CDPs in Ohio by rank and percentile using July 1, 2018 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 # 31 98th
Population Density # 249 80th
Diversity Index # 217 82nd
Median Household Income # 293 76th
Per Capita Income # 301 75th

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

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Ohio Census Data Comparison Tool

Compare Ohio July 1, 2018 Data
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