Seneca, SC Profile: Facts, Map & Data


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Seneca, South Carolina - Basic Facts

The City of Seneca is an incorporated place (Class Code P1) located in Oconee County at latitude 34.6811 and longitude -82.9656. Oconee County is in the Eastern time zone (GMT -5). The elevation is 951 feet.

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

The P1 Census Class Code for Seneca 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 Seneca (see map below) encompass a land area of 7.86 sq. miles and a water area of 0.05 sq. miles.

Alternate Unofficial Names for Seneca: Seneca City.

City of Seneca, SC Boundary Map


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Boundary Maps: Seneca Division | Oconee County | South Carolina Counties

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


Total Population 8,241
Population in Households 8,064
Population in Familes 6,317
Population in Group Qrtrs 177
Population Density1 1,091
Diversity Index2 53


Total Households 3,584
Average Household Size 2.25
Family Households 2,258
Average Family Size 3


Total Housing Units 4,198 (100%)
Owner Occupied HU 2,102 (50.1%)
Renter Occupied HU 1,482 (35.3%)
Vacant Housing Units 614 (14.6%)
Median Home Value $136,032
Average Home Value $184,776


Median Household Income $36,390
Average Household Income $51,107
Per Capita Income $21,588
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population 0.4% 0.48%
Households 0.49% 0.49%
Families 1.14% 0.35%
Median Household Income   2.81%
Per Capita Income   1.96%
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.


Seneca, SC - Peer Comparisons by Rank and Percentile

The table below compares Seneca to the other 395 incorporated cities, towns and CDPs in South Carolina 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 # 65 84th
Population Density1 # 104 74th
Diversity Index2 # 175 56th
Median Household Income # 193 51st
Per Capita Income # 111 72nd

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