Lake Seneca, OH Profile: Facts, Map & Data


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Lake Seneca, Ohio - Basic Facts

The Lake Seneca Census Designated Place had a population of 465 as of July 1, 2016. Lake Seneca ranks in the lower quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Ohio. See peer rankings below.

The primary coordinate point for Lake Seneca is located at latitude 41.6654 and longitude -84.642 in Williams County. The formal boundaries for the Lake Seneca Census Designated Place (see map below) encompass a land area of 1.73 sq. miles and a water area of 0.06 sq. miles. Williams County is in the Eastern time zone (GMT -5). The elevation is 932 feet.

The Lake Seneca Census Designated Place (GNIS ID: 2633227) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

The Lake Seneca Census Designated Place is located within Township of Bridgewater, a minor civil division (MCD) of Williams County.

Beneath the boundary map are tables with Lake Seneca population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Neighborhood Data

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Lake Seneca Census Designated Place, OH Boundary Map

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Boundary Maps: Township of Bridgewater | Williams County | Ohio Counties

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Lake Seneca, OH Data & Demographics (As of July 1, 2016)


Total Population 465
Population in Households 465
Population in Familes 402
Population in Group Qrtrs 0
Population Density1 269
Diversity Index2 14


Total Households 196
Average Household Size 2.37
Family Households 153
Average Family Size 3


Total Housing Units 288 (100%)
Owner Occupied HU 169 (58.7%)
Renter Occupied HU 27 ( 9.4%)
Vacant Housing Units 92 (31.9%)
Median Home Value $138,542
Average Home Value $149,852


Median Household Income $53,554
Average Household Income $70,167
Per Capita Income $26,583
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.0% -0.04%
Households 0.25% 0.2%
Families -0.1% 0.0%
Median Household Income   1.99%
Per Capita Income   2.06%
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.

Lake Seneca, OH - Peer Comparisons by Rank and Percentile

The table below compares Lake Seneca to the other 1,215 incorporated cities, towns and CDPs in Ohio by rank and percentile using July 1, 2016 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 # 871 28th
Population Density1 # 1153 5th
Diversity Index2 # 476 61st
Median Household Income # 429 65th
Per Capita Income # 367 70th

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

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