Barnwell County, South Carolina Population 2024

20,082

Barnwell County, South Carolina's estimated 2024 population is 20,082 with a growth rate of -0.82% in the past year according to the most recent United States census data. Barnwell County, South Carolina is the 38th largest county in South Carolina. The 2010 population was 22,639 and has seen a growth of -11.29% since that time.

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202919,252-166-0.85%
202819,418-166-0.85%
202719,584-166-0.84%
202619,750-166-0.83%
202519,916-166-0.83%
202420,082-166-0.82%
202320,248-166-0.81%
202220,414-166-0.81%
202120,580
202020,580-344-1.64%
201920,924-226-1.07%
201821,150-212-0.99%
201721,362-248-1.15%
201621,610-181-0.83%
201521,791-241-1.09%
201422,032-185-0.83%
201322,217-145-0.65%
201222,362-101-0.45%
201122,463-176-0.78%
201022,639
199020,2934252.14%
198019,8682,69215.67%
197017,176-483-2.74%
196017,6593932.28%
195017,266-2,872-14.26%
194020,138-1,083-5.1%
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%
187035,7244,98116.2%
186030,7434,13515.54%
185026,6085,13723.93%
184021,4712,23511.62%
183019,2364,48630.41%
182014,7502,47020.11%
181012,2804,90466.49%
18007,376-11,876-61.69%
showing: 40 rows
2024 Growth Rate
-0.82% (-166)
County Website
Barnwell County
County Seat
2010 Population
22,639
Area
548 mi²
Density
37 people/mi²
Growth Since 2010
-11.29% (-2,557)
Founded
1800

Barnwell County, South Carolina Population 2024

Population by Race

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Race
Population
Percentage (of total)
White10,65251.58%
Black or African American9,13744.24%
Two or more races4572.21%
Other race3311.6%
Asian550.27%
Native American210.1%
Native Hawaiian or Pacific Islander
showing: 7 rows

White

Black or African American

Two or more races

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Barnwell County, South Carolina Population by Race

Barnwell County, South Carolina Population Pyramid 2024

Barnwell County, South Carolina Median Age

40.9

Total

37.5

Male

43.2

Female

Barnwell County, South Carolina Adults

There are 15,797 adults, (3,872 of whom are seniors) in Barnwell County, South Carolina.

Barnwell County, South Carolina Age Dependency

73.2

Age Dependency Ratio

32.5

Old Age Dependency Ratio

40.7

Child Dependency Ratio

Barnwell County, South Carolina Sex Ratio

Female10,37050.21%
Male10,28349.79%

Barnwell County, South Carolina Population by Age

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

Household Type
Count
Average Size
Owner
Renter
All8,3422.4371.128.9
Non Family3,2881.1263.336.7
Married3,0782.99010
Female1,6493.9550.749.3
Male3273.4376.523.5
showing: 5 rows

3.18

Average Family Size

2.43

Average Household Size

71.1%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Barnwell County, South Carolina Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Barnwell County, South Carolina Educational Attainment by Sex (over 25)

Barnwell County, South Carolina Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among native american people with a rate of 100%.

The highest rate of bachelors degrees is among native american people with a rate of 100%.

Barnwell County, South Carolina Educational Attainment by Race

All

Male

Female

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$39,364

Average Earnings

$53,257

Average Male

$32,569

Average Female

Barnwell County, South Carolina Earnings by Educational Attainment

Barnwell County, South Carolina Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Barnwell County, South Carolina Language

97.09% of Barnwell County, South Carolina residents speak only English, while 2.91% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.65% of the population.

Barnwell County, South Carolina Language

Barnwell County, South Carolina Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
Black8,9613,10334.63%
White10,1131,70416.85%
Hispanic56122039.22%
Multiple4357517.24%
Other265145.28%
showing: 5 rows

25.29%

Overall Poverty Rate

20.66%

Male Poverty Rate

29.84%

Female Poverty Rate

Poverty in Barnwell County, South Carolina

The race most likely to be in poverty in Barnwell County, South Carolina is Hispanic, with 39.22% below the poverty level.

The race least likely to be in poverty in Barnwell County, South Carolina is Other, with 5.28% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.3%. Among those working part-time, it was 23.88%, and for those that did not work, the poverty rate was 34.3%.

Barnwell County, South Carolina Poverty

rate

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Rate
Poverty
Less Than 9th Grade36.06%
High School18.54%
Some College15.56%
Bachelors or Greater2.77%
showing: 4 rows

Barnwell County, South Carolina Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed68.1%
Male Unemployed38.4%
Female Employed13.79%
Male Employed6.35%
showing: 4 rows

Barnwell County, South Carolina Poverty Rate by Employment Status and Sex

Barnwell County, South Carolina Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Barnwell County, South Carolina Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

40.8%

Overall Marriage Rate

42.8%

Male Marriage Rate

39.0%

Female Marriage Rate

Barnwell County, South Carolina Married by Age and Sex

male

female

Barnwell County, South Carolina Marriage

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

Barnwell County, South Carolina Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Barnwell County, South Carolina Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,141

Number of Veterans

905

Male Veterans

236

Female Veterans

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Barnwell County, South Carolina Veterans by War

count

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Barnwell County, South Carolina Veterans by Age

count

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Barnwell County, South Carolina Veterans by Race

Barnwell County, South Carolina Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

22.47%

Veteran Poverty Rate

38.68%

Veteran Disability Rate

Barnwell County, South Carolina Veterans by Education

LaborForceParticipation

57%

Labor Force Participation

53.7%

Employment Rate

5.9%

Unemployment Rate

Barnwell County, South Carolina Employment by Age

LaborForceParticipation

Barnwell County, South Carolina Employment by Race

LaborForceParticipation

Barnwell County, South Carolina Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

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

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

68.62%

Born in Barnwell County, South Carolina

97.48%

Native Born

2.52%

Foreign Born

1.73%

Non Citizen

0.79%

Naturalized

Place of Birth

97.48% of Barnwell County, South Carolina residents were born in the United States, with 68.62% having been born in South Carolina. 1.73% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Barnwell County, South Carolina Place of Birth

Sources