Delaware, OH Profile: Facts, Map & Data


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Delaware, Ohio - Basic Facts

The City of Delaware had a population of 39,143 as of July 1, 2017. 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, 2017.

Alternate Unofficial Names for Delaware: Millville.

Neighborhood Data

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City of Delaware, OH Boundary Map

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


Total Population 39,143
Daytime Population: Workers 16,460
Daytime Population: Residents 20,402
Total Daytime Population (TDP) 36,862
Ratio TDP/Total Population1 0.94
Population in Households 37,227
Population in Familes 29,809
Population in Group Qrtrs 1,916
Population Density2 2,059
Diversity Index3 25


Median Household Income $60,924
Average Household Income $75,740
Per Capita Income $29,675


Total Housing Units 15,813 (100%)
Owner Occupied HU 9,069 (57.4%)
Renter Occupied HU 5,860 (37.1%)
Vacant Housing Units 884 ( 5.6%)
Median Home Value $173,474
Average Home Value $190,910


Total Households 14,929
Average Household Size 2.49
Family Households 9,719
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 1.65% 1.59%
Households 1.65% 1.64%
Families 1.73% 1.52%
Median Household Income   3.7%
Per Capita Income   2.97%

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, 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 # 32 97th
Population Density # 256 79th
Diversity Index # 223 81st
Median Household Income # 299 75th
Per Capita Income # 292 76th

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

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