Home > SC > Barnwell County > Blackville > Zip 29817

Zip Code 29817 — Blackville, SC

29817 is a ZIP Code associated with Blackville, SC, located within Barnwell. The postal region supports an estimated population of 4,139 residents across Data Pending housing units, with a population density of 14.0 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (33.369890, -81.270960)

Data MetricLocal Statistic
Postal / Zip Code29817
Primary CityBlackville
State / ProvinceSC
CountyBarnwell
Total Population4,139
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density14.0 people/sq mi
TimezoneAmerica/New_York

How 29817 Compares

MetricZIP 29817Barnwell CountySC State Average
Population4,13921,4565,296,225
Median IncomeData PendingN/AN/A
Population Density14.0 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 29826Elko5.6 mi241N/A
Zip 29042Denmark8.3 mi4,904N/A
Zip 29113Norway9.2 mi1,875N/A
Zip 29853Williston9.5 mi5,944N/A
Zip 29146Springfield9.7 mi1,226N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →