Willoughby, OH Profile: Facts, Map & Data

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Willoughby, Ohio - Basic Facts

The City of Willoughby is an incorporated place (Class Code P1) located in Lake County at latitude 41.6453 and longitude -81.4144. Lake County is in the Eastern time zone (GMT -5). The elevation is 659 feet.

The formal official name is the City of Willoughby, but most people and references simply refer to it as Willoughby, Ohio.

The P1 Census Class Code for Willoughby indicates a populated place that is also an incorporated place with the same name and the same census code. The Incorporated Place has a Functional Status Code "A" which identifies an active government providing primary general-purpose functions.

The formal boundaries for the City of Willoughby (see map below) encompass a land area of 10.25 sq. miles and a water area of 0.09 sq. miles.

Alternate Unofficial Names for Willoughby: Chagrin, Chagrin Mills.

City of Willoughby, OH Boundary Map

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Willoughby, OH Data & Demographics (As of July 1, 2014)


Total Population 22,710
Population in Households 22,506
Population in Familes 16,212
Population in Group Qrtrs 204
Population Density1 2,216
Diversity Index2 17


Total Households 10,766
Average Household Size 2.09
Family Households 5,774
Average Family Size 3


Total Housing Units 11,593 (100%)
Owner Occupied HU 6,307 (54.4%)
Renter Occupied HU 4,459 (38.5%)
Vacant Housing Units 827 ( 7.1%)
Median Home Value $140,810
Average Home Value $171,242


Median Household Income $51,364
Average Household Income $61,260
Per Capita Income $29,120
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population 0.46% 0.34%
Households 0.79% 0.47%
Families 0.24% 0.12%
Median Household Income   2.39%
Per Capita Income   2.55%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Willoughby, OH - Peer Comparisons by Rank and Percentile

The table below compares Willoughby to the other 1,204 incorporated cities, towns and CDPs in Ohio by rank and percentile using July 1, 2014 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 # 70 94th
Population Density1 # 206 83rd
Diversity Index2 # 344 72nd
Median Household Income # 492 59th
Per Capita Income # 219 82nd

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