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ZIP Code Database - Facts & Stats

Data Last Updated: February 1, 2023

Zip Code 29812, Barnwell, SC

ZIP Code 29812 Details

Zip Code:29812
State:SC [South Carolina]
Multi County:Yes
City Alias(es):Barnwell
City Alias(es) To Avoid Using:Snelling
Area Code:803 / 839
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Eastern (GMT -05:00)
Observes Daylight Saving:Yes
Elevation:196 ft
State FIPS:45
County FIPS:011
Division:South Atlantic
Intro Date:<2004-10

ZIP Code 29812 2010 Census Demographics

Current Population:11,793
2010 Population:11,864
Households per ZIP Code:4,657
Average House Value:$88,900
Avg. Income Per Household:$38,025
Persons Per Household:2.52
White Population:6,925
Black Population:4,806
Hispanic Population:199
Asian Population:127
American Indian Population:68
Hawaiian Population:13
Other Population:91
Male Population:5,688
Female Population:6,176
Median Age:37.80 years
Male Median Age:36.30 years
Female Median Age:39.10 years

ZIP Code 29812 Other Demographics

# Residential Mailboxes:4,680
# Business Mailboxes:290
Total Delivery Receptacles:5,839
Number of Businesses:207
1st Quarter Payroll:$23,320,000
Annual Payroll:$95,743,000
# of Employees:2,519
Water Area:1.738 sq mi
Land Area:173.475 sq mi
113th Congressional District:02|06
113th Congressional Land Area:3022.17|8062.93 sq mi
Single Family Delivery Units:4,276
Multi Family Delivery Units:55
# Residential Mailboxes:4,680
# Business Mailboxes:290
Total Delivery Receptacles:5,839

ZIP Code 29812 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 2,755 2,795 +40
Retired Workers: 1,725 1,780 +55
Disabled Workers: 485 480 -5
Widow(er)s and Parents: 180 180 0
Spouses: 55 55 0
Children: 310 300 -10
65+: 1,795 1,855 +60
Monthly Benefits - All: $3,448,000 $3,594,000 +$146,000
Monthly Benefits - Retired Workers: $2,409,000 $2,553,000 +$144,000
Monthly Benefits - Widow(ers): $217,000 $225,000 +$8,000

ZIP Code 29812 Statistical Areas

CBSA Name: 
CBSA Type: 
CBSA Division: 
CBSA Division Name: 
CBSA Population:0
CBSA Division Population:0
MSA Name: 
PMSA Name: 
City State Key:X23512
Preferred Last Line Key:X23512
29810: Previous ZIP Code
Next ZIP Code: 29813


  1. U.S. Postal Service [Last Updated: 2/1/2023],
  2. Internal Data Creation [Last Updated: 2/1/2023],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census American National Standards Institute (ANSI) [Last Updated: 2/1/2023],
  6. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],
  7. Centers for Medicare & Medicaid Services [Updated Yearly],