Seneca County OH Information


Seneca County OH - Peer Comparisons by Rank and Percentile

The table below compares Seneca County to the other 88 counties and county equivalents 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 # 46 49th
Population Density1 # 54 40th
Diversity Index2 # 30 67th
Median Household Income # 47 48th
Per Capita Income # 59 34th

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


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


Total Population 56,461
Population in Households 53,813
Population in Familes 43,303
Population in Group Qrtrs 2,648
Population Density1 103
Diversity Index2 21


Total Households 21,812
Average Household Size 2.47
Family Households 14,690
Average Family Size 3


Total Housing Units 24,122 (100%)
Owner Occupied HU 15,616 (64.7%)
Renter Occupied HU 6,196 (25.7%)
Vacant Housing Units 2,310 ( 9.6%)
Median Home Value $97,962
Average Home Value $127,108


Median Household Income $43,708
Average Household Income $55,191
Per Capita Income $21,499
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population -0.12% -0.23%
Households 0.04% -0.17%
Families -0.29% -0.37%
Median Household Income   3.46%
Per Capita Income   2.36%
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.

Information Updates

The Demographic Data for the 4,014 Ohio cities, towns, counties, ZIP Codes and Census Designated Places (CDPs) profiled in this gazetteer is updated annually. Last Update: July 1, 2014.

The ZIP Code maps and the data regarding the number of residential and business addresses in each ZIP Code are updated four times per year. Last Update: November 1, 2014.

The information on the 67,970 Ohio Physical, Cultural and Historic Features is updated six times per year. Last Update: December 2, 2014.

The School Attendance Zone Maps for 2,768 Ohio public schools are updated four times per year. Last Update: October 6, 2014.