Barnwell, SC 29812 ZIP Code Profile

Related Place Profiles:
Barnwell, SC | Kline, SC | Snelling, SC

ZIP Code 29812: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Barnwell, SC 29812

Acceptable Alternative
Kline, SC 29812

Not Acceptable, USPS
Snelling, SC 29812

  • ZIP Code Type: STANDARD
  • County: Barnwell County
  • Centroid: Latitude 33.243, Longitude -81.359
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

ZIP Code 29812 has segments in 2 Counties (Allendale, Barnwell).

  • Businesses Addresses: 443
  • PO Box Addresses: 684
  • Residential Addresses: 4,464
    • Multi-Family Addresses: 56
    • Single Family Addresses: 4,408

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.


29812 ZIP Code Map

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Barnwell, SC 29812 Data & Demographics (As of July 1, 2017)


Total Population 11,925
Daytime Population: Workers 4,317
Daytime Population: Residents 6,998
Total Daytime Population (TDP) 11,315
Ratio TDP/Total Population1 0.95
Population in Households 11,803
Population in Familes 9,791
Population in Group Qrtrs 122
Population Density2 49
Diversity Index3 55


Median Household Income $35,363
Average Household Income $50,312
Per Capita Income $20,002


Total Housing Units 5,552 (100%)
Owner Occupied HU 3,333 (60.0%)
Renter Occupied HU 1,365 (24.6%)
Vacant Housing Units 854 (15.4%)
Median Home Value $77,725
Average Home Value $107,516


Total Households 4,698
Average Household Size 2.51
Family Households 3,202
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 -0.32% -0.64%
Households -0.3% -0.64%
Families -0.46% -0.75%
Median Household Income   1.68%
Per Capita Income   2.5%

Barnwell, SC 29812 - Peer Comparisons by Rank and Percentile

The table below compares 29812 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 # 148 63rd
Population Density # 269 32nd
Diversity Index # 106 73rd
Median Household Income # 285 28th
Per Capita Income # 241 39th

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

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