Seneca, SC 29678 ZIP Code Profile

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Seneca, SC

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ZIP Code 29678: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Seneca, SC 29678

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 888
  • Single Family Addresses: 9,084
  • Multi-Family Addresses: 868
  • County: Oconee County
  • Centroid: Latitude 34.693, Longitude -82.941
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

Neighborhood Data

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29678 ZIP Code Map

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Seneca, SC 29678 Data & Demographics (As of July 1, 2017)


Total Population 23,308
Daytime Population: Workers 11,559
Daytime Population: Residents 13,857
Total Daytime Population (TDP) 25,416
Ratio TDP/Total Population1 1.09
Population in Households 23,036
Population in Familes 17,834
Population in Group Qrtrs 272
Population Density2 295
Diversity Index3 44


Median Household Income $35,896
Average Household Income $52,313
Per Capita Income $21,518


Total Housing Units 11,377 (100%)
Owner Occupied HU 6,083 (53.5%)
Renter Occupied HU 3,356 (29.5%)
Vacant Housing Units 1,938 (17.0%)
Median Home Value $135,094
Average Home Value $170,524


Total Households 9,439
Average Household Size 2.44
Family Households 5,950
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 0.74% 0.73%
Households 0.67% 0.7%
Families 0.45% 0.57%
Median Household Income   1.47%
Per Capita Income   1.48%

Seneca, SC 29678 - Peer Comparisons by Rank and Percentile

The table below compares 29678 to the other 395 ZIP Codes in South Carolina 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 # 79 80th
Population Density # 118 70th
Diversity Index # 252 36th
Median Household Income # 276 30th
Per Capita Income # 189 52nd

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

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