Round O, SC 29474 ZIP Code Profile

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Round O, SC

ZIP Code 29474: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Round O, SC 29474

  • ZIP Code Type: STANDARD
  • County: Colleton County
  • Centroid: Latitude 32.942, Longitude -80.578
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 24
  • PO Box Addresses: 69
  • Residential Addresses: 921
    • Multi-Family Addresses: 0
    • Single Family Addresses: 921

The ZIP Code maps and database are updated 4 times per year.
Database updated: May 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


29474 ZIP Code Map

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Round O, SC 29474 Data & Demographics (As of July 1, 2017)


Total Population 1,934
Daytime Population: Workers 169
Daytime Population: Residents 1,143
Total Daytime Population (TDP) 1,312
Ratio TDP/Total Population1 0.68
Population in Households 1,924
Population in Familes 1,609
Population in Group Qrtrs 10
Population Density2 26
Diversity Index3 51


Median Household Income $30,655
Average Household Income $41,096
Per Capita Income $16,392


Total Housing Units 912 (100%)
Owner Occupied HU 629 (69.0%)
Renter Occupied HU 138 (15.1%)
Vacant Housing Units 145 (15.9%)
Median Home Value $93,870
Average Home Value $120,986


Total Households 767
Average Household Size 2.51
Family Households 536
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 0.11% -0.1%
Households 0.09% -0.13%
Families -0.08% -0.26%
Median Household Income   1.78%
Per Capita Income   2.35%

Round O, SC 29474 - Peer Comparisons by Rank and Percentile

The table below compares 29474 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 # 309 22nd
Population Density # 338 15th
Diversity Index # 185 53rd
Median Household Income # 349 12th
Per Capita Income # 362 9th

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

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