Barnwell, South Carolina

Barnwell: City in Barnwell County, South Carolina, United States

About

Barnwell is a city located in the county of Barnwell in the U.S. state of South Carolina. Its population at the 2010 census was 4,750. After 10 years in 2020 city had an estimated population of 4,260 inhabitants.

The city was created 228 years ago in 1797.

Barnwell locator map
Location of Barnwell on South Carolina map.

Quick Facts about Barnwell

Population 4,260 (2020)
Country United States of America
State South Carolina (United States)
County Barnwell County
Postal code 29812–29813
Phone Area Codes 803
Water as percent of area 1.89%
Land as percent of area 98.11%
Latitude & Longitude 33.2449,-81.3587
Altitude 217 feet / 66 meters
Capital city Barnwell is capital of Barnwell County
Establishment January 01, 1798 (228 years ago)
Time Zone UTC−05:00
Local time 19:12:05 (22nd April 2026)
Population growth -11.5% (2010-2020)
Weather 84℉ Mostly Sunny 7-days weather
Barnwell County Courthouse  Barnwell  South Carolina image
Barnwell County Courthouse Barnwell South Carolina image

Geography

Barnwell is located at 33°14'42"N 81°21'31"W (33.2448700, -81.3587200).

Barnwell map

Click "full screen" full screen map icon to open full mode. View satellite images

Weather

84°F
Mostly Sunny
1 to 5 mph SW Wednesday

Mostly sunny, with a high near 84. Southwest wind 1 to 5 mph.

7-Day Forecast

Official website of Barnwell

Official Website

Demographics

According to census records, the population of Barnwell decreased by 11.5% in 10 years.

Year Population % Change Method
2010 4,750 - census
2011 4,719 -0.66% estimation process
2012 4,691 -0.6% estimation process
2013 4,657 -0.73% estimation process
2014 4,614 -0.93% estimation process
2015 4,548 -1.45% estimation process
2016 4,496 -1.16% estimation process
2017 4,422 -1.67% estimation process
2018 4,357 -1.49% estimation process
2019 4,291 -1.54% estimation process
2020 4,260 -0.73% estimation process
Barnwell zip code is 29812. County name: Barnwell, County fips: 45011
BNL, Barnuel, Barnvel, Barnwell Court House, Barnwell Hill, Red Hill, ba en wei er, barnwl karwlynay jnwby, barnwyl, barnwyl jnwby kyrwlayna, Барнвел, Барнуел, بارنول، کارولینای جنوبی, بارنويل, بارنویل، جنوبی کیرولائنا, 巴恩韦尔

Best Things to Do in Barnwell

1Barnwell County Museum

Rating: 4.5 (20)

9426 Marlboro Ave, Barnwell, SC 29812, United States View details

Phone: +18032591916 | Website available

Services and Civic Places in Barnwell

1Barnwell City Hall

Rating: 2.7 (3)

124 Burr St, Barnwell, SC 29812 View details

Phone: +18032593266 | Website available

People born in Barnwell (13)

People born in Barnwell, including former wide receiver Troy Brown, politician James O'H. Patterson, politician Samuel W. Trotti, .

More notable people

Nearby Schools and Colleges

Schools and campuses linked to Barnwell, SC. Select a name to open its map and contact details.

Code Name City ZIP
217989 Denmark Technical College Denmark (SC) 29042

Nearby Transit Stations (3)

Rail and bus stations connected to Barnwell, SC. Select a station to open its map and address details.

Code Name Address Type
DNK Denmark 200 West Baruch Street RAIL
YEM Yemassee 9 Main Street RAIL
CLB Columbia 850 Pulaski Street RAIL

Closest post offices linked to Barnwell.

Post Office Name City ZIP
Barnwell Post Office Barnwell (SC) 29812

Other cities in Barnwell County

Cities, towns, neighborhoods & other populated places in Barnwell County , SC.

City Name Population Title
Boiling Springs 5,076 City in North Carolina, USA
Williston 2,912 Town in Barnwell County, South Carolina, United States
Blackville 2,173 City in Barnwell County, South Carolina, United States of America
Hilda 408 American town
Snelling 259 Town in Barnwell County, South Carolina, United States
Elko 180 Human settlement in Barnwell County, South Carolina, United States of America
Kline 180 Town in Barnwell County, South Carolina, United States

Distance to Other Cities

Barnwell distances to largest South Carolina cities