Barnwell County, South Carolina Population 2020

Barnwell County, South Carolina's estimated population is 20,624 with a growth rate of -1.17% in the past year according to the most recent United States census data. Barnwell County, South Carolina is the 40th largest county in South Carolina.

Year Population Growth Growth Rate
202020,624-244-1.17%
201920,868-244-1.16%
201821,112-244-1.14%
201721,356-255-1.18%
201621,611-171-0.79%
201521,782-244-1.11%
201422,026-183-0.82%
201322,209-145-0.65%
201222,354-101-0.45%
201122,455-182-0.80%
201022,6372,34411.55%
199020,2934252.14%
198019,8682,69215.67%
197017,176-483-2.74%
196017,6593932.28%
195017,266-2,872-14.26%
194020,138-1,083-5.10%
193021,221-1,860-8.06%
192023,081-11,128-32.53%
191034,209-1,295-3.65%
190035,504-9,109-20.42%
189044,6134,75611.93%
188039,8574,13311.57%
187035,7244,98116.20%
186030,7434,13515.54%
185026,6085,13723.93%
184021,4712,23511.62%
183019,2364,48630.41%
182014,7502,47020.11%
181012,2804,90466.49%
18007,3760.00%
2020 Growth Rate
-1.17%
County Website
Founded
1800
County Seat
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Barnwell County, South Carolina Population Growth

Population by Race

Race Population Percentage
White10,96350.81%
Black or African American9,86945.74%
Some Other Race4752.20%
Two or More Races1610.75%
American Indian and Alaska Native690.32%
Asian320.15%
Native Hawaiian and Other Pacific Islander80.04%
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Barnwell County, South Carolina Population Pyramid 2020

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Barnwell County, South Carolina Median Age

40.9


Total

38.4


Male

43


Female

Barnwell County, South Carolina Adults

There are 16,302 adults, (3,699 of whom are seniors) in Barnwell County, South Carolina.

Barnwell County, South Carolina Age Dependency

71.2

Age Dependency Ratio

29.4

Old Age Dependency Ratio

41.9

Child Dependency Ratio

Barnwell County, South Carolina Sex Ratio

Female

11,277

52.26%

Male

10,300

47.74%

Barnwell County, South Carolina Households and Families

Barnwell County, South Carolina Renter vs Owner Occupied by Household Type

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Barnwell County, South Carolina Household Types

Type Owner Renter
Married89.1%10.9%
Male71.4%28.6%
All69.7%30.3%
Non Family61.7%38.3%
Female45.7%54.3%

69.7%

Rate of Home Ownership

Type Count Average Size Owned
All8,3262.5569.7
Married3,2963.0989.1
Non Family2,8791.261.7
Female1,7213.5345.7
Male4303.5671.4

3.22

Average Family Size

2.55

Average Household Size

3%

Unmarried (Opposite Sex)

0.1%

Unmarried (Same Sex)

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Barnwell County, South Carolina Education

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Education Attained Count Percentage
Less Than 9th Grade1,0657.47%
9th to 12th Grade1,62311.39%
High School Graduate5,09535.75%
Some College2,98320.93%
Associates Degree1,84412.94%
Bachelors Degree1,1027.73%
Graduate Degree5403.79%
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Barnwell County, South Carolina Educational Attainment by Race

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Name Total High School Bachelors
White7,8896,765796
Black5,9614,599766
Hispanic2359930
Other Race170646
Multiple Races1267950
Native American421
Asian151515
Islander888

The highest rate of high school graduation is among asian people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 100.00%.

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Name Average Male Female
Overall$30,352$40,487$22,650
Less Than High School$22,786$26,856$14,583
High School Grad$27,580$37,455$16,451
Some College$29,536$44,803$20,733
Bachelors Degree$37,284$54,808$36,675
Graduate Degree$48,698$77,713$47,935

$30,352

Average Earnings

$40,487

Average Male

$22,650

Average Female

Barnwell County, South Carolina Language

Barnwell County, South Carolina Language by Age

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Barnwell County, South Carolina Language

97.64% of Barnwell County, South Carolina residents speak only English, while 2.36% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.30% of the population.

Barnwell County, South Carolina Poverty

Barnwell County, South Carolina Poverty by Race

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Name Total In Poverty Poverty Rate
Black9,5943,52336.72%
White10,7681,83417.03%
Hispanic49717535.21%
Other46713428.69%
Multiple1512214.57%

26.15%

Overall Poverty Rate

23.91%

Male Poverty Rate

28.22%

Female Poverty Rate

Poverty in Barnwell County, South Carolina

The race most likely to be in poverty in Barnwell County, South Carolina is Black, with 36.72% below the poverty level.

The race least likely to be in poverty in Barnwell County, South Carolina is Multiple, with 14.57% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 5.04%. Among those working part-time, it was 24.15%, and for those that did not work, the poverty rate was 30.89%.

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Name Poverty
Less Than High School33.69%
Some College19.10%
High School15.21%
Bachelors or Greater5.57%
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Name Poverty
Male Unemployed71.00%
Female Unemployed47.83%
Female Employed13.95%
Male Employed6.83%

Barnwell County, South Carolina Income

Barnwell County, South Carolina Income by Household Type

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Name Median Mean
Households$36,566$48,742
Families$49,926$59,690
Married Families$68,979-
Non Families$18,095$27,188
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Barnwell County, South Carolina Marital Status

Barnwell County, South Carolina Marital Status

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Marriage Rates

41.1%

Overall Marriage Rate

42.4%

Male Marriage Rate

39.9%

Female Marriage Rate

Barnwell County, South Carolina Married by Age and Sex

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Barnwell County, South Carolina Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 55-64.

Barnwell County, South Carolina Marital Status by Race

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Barnwell County, South Carolina Veterans

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1,275

Number of Veterans

1,157

Male Veterans

118

Female Veterans

War Veterans
Vietnam483
First Gulf War327
Second Gulf War100
Korea94
World War II50
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Age Group Veterans
35 to 54402
65 to 74378
55 to 64266
75+190
18 to 3439
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Name Veterans % of Total
White7548.59%
Black5207.37%
Hispanic10.31%
Other10.40%

Barnwell County, South Carolina Veterans by Education

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8.90%

Veteran Poverty Rate

41.46%

Veteran Disability Rate

Barnwell County, South Carolina Employment Status

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53%

Labor Force Participation

48.7%

Employment Rate

8%

Unemployment Rate

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Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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70.64%

Born in South Carolina

98.41%

Native Born

1.59%

Foreign Born

1.02%

Non Citizen

0.57%

Naturalized

Place of Birth

98.41% of Barnwell County, South Carolina residents were born in the United States, with 70.64% having been born in South Carolina. 1.02% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990