Marlboro County, South Carolina Population 2020

Marlboro County, South Carolina's estimated population is 25,790 with a growth rate of -1.17% in the past year according to the most recent United States census data. Marlboro County, South Carolina is the 36th largest county in South Carolina.

Year Population Growth Growth Rate
202025,790-304-1.17%
201926,094-304-1.15%
201826,398-304-1.14%
201726,702-260-0.96%
201626,962-612-2.22%
201527,574-444-1.58%
201428,018-36-0.13%
201328,054-177-0.63%
201228,231-318-1.11%
201128,549-368-1.27%
201028,917-444-1.51%
199029,361-2,273-7.19%
198031,6344,48316.51%
197027,151-1,378-4.83%
196028,529-3,237-10.19%
195031,766-1,515-4.55%
194033,2811,6475.21%
193031,634-1,546-4.66%
192033,1801,9916.38%
191031,1893,55012.84%
190027,6394,13917.61%
189023,5002,90214.09%
188020,5988,78474.35%
187011,814-620-4.99%
186012,4341,64515.25%
185010,7892,38128.32%
18408,408-174-2.03%
18308,5822,15733.57%
18206,4251,45929.38%
18104,966-486-8.91%
18005,452-5,254-49.08%
179010,7060.00%
2020 Growth Rate
-1.17%
County Website
Founded
1785
County Seat
Loading...

Marlboro County, South Carolina Population Growth

Population by Race

Race Population Percentage
Black or African American13,73550.62%
White11,24941.46%
Two or More Races1,0583.90%
American Indian and Alaska Native8102.99%
Some Other Race1990.73%
Asian800.29%
Loading...

Marlboro County, South Carolina Population Pyramid 2020

Loading...

Marlboro County, South Carolina Median Age

40.3


Total

37.7


Male

43.5


Female

Marlboro County, South Carolina Adults

There are 21,601 adults, (4,540 of whom are seniors) in Marlboro County, South Carolina.

Marlboro County, South Carolina Age Dependency

59

Age Dependency Ratio

26.6

Old Age Dependency Ratio

32.4

Child Dependency Ratio

Marlboro County, South Carolina Sex Ratio

Female

12,895

47.53%

Male

14,236

52.47%

Marlboro County, South Carolina Households and Families

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

Loading...

Marlboro County, South Carolina Household Types

Type Owner Renter
Married77.2%22.8%
All65.8%34.2%
Non Family63.1%36.9%
Male54%46%
Female52.1%47.9%

65.8%

Rate of Home Ownership

Type Count Average Size Owned
All9,5842.5265.8
Married3,7823.0977.2
Non Family3,1771.1663.1
Female2,0753.4152.1
Male5503.2254

3.12

Average Family Size

2.52

Average Household Size

6.7%

Unmarried (Opposite Sex)

0.1%

Unmarried (Same Sex)

Loading...

Marlboro County, South Carolina Education

Loading...
Education Attained Count Percentage
Less Than 9th Grade1,4947.72%
9th to 12th Grade3,16816.37%
High School Graduate8,00141.35%
Some College3,46917.93%
Associates Degree1,4027.25%
Bachelors Degree1,1365.87%
Graduate Degree6783.50%
Loading...

Marlboro County, South Carolina Educational Attainment by Race

Loading...
Name Total High School Bachelors
Black9,6327,401850
White8,0666,299818
Hispanic62730010
Native American57135712
Multiple Races48333394
Other Race1377510
Asian766530

The highest rate of high school graduation is among asian people with a rate of 85.53%.

The highest rate of bachelors degrees is among asian people with a rate of 39.47%.

Loading...
Name Average Male Female
Overall$26,576$27,372$25,466
Less Than High School$15,940$14,533$16,629
High School Grad$25,821$27,073$22,184
Some College$27,072$30,347$24,914
Bachelors Degree$37,566$53,625$32,253
Graduate Degree$43,438$34,167$44,464

$26,576

Average Earnings

$27,372

Average Male

$25,466

Average Female

Marlboro County, South Carolina Language

Marlboro County, South Carolina Language by Age

Loading...

Marlboro County, South Carolina Language

96.41% of Marlboro County, South Carolina residents speak only English, while 3.59% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.69% of the population.

Marlboro County, South Carolina Poverty

Marlboro County, South Carolina Poverty by Race

Loading...
Name Total In Poverty Poverty Rate
Black11,9513,17226.54%
White10,0572,10320.91%
Multiple86239746.06%
Hispanic35428981.64%
Native79128636.16%
Other512650.98%

25.97%

Overall Poverty Rate

21.52%

Male Poverty Rate

29.91%

Female Poverty Rate

Poverty in Marlboro County, South Carolina

The race most likely to be in poverty in Marlboro County, South Carolina is Hispanic, with 81.64% below the poverty level.

The race least likely to be in poverty in Marlboro County, South Carolina is White, with 20.91% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.98%. Among those working part-time, it was 29.83%, and for those that did not work, the poverty rate was 32.91%.

Loading...
Name Poverty
Less Than High School38.34%
High School20.15%
Some College13.18%
Bachelors or Greater8.24%
Loading...
Name Poverty
Female Unemployed55.75%
Male Unemployed15.88%
Female Employed14.02%
Male Employed10.31%

Marlboro County, South Carolina Income

Marlboro County, South Carolina Income by Household Type

Loading...
Name Median Mean
Households$34,203$45,307
Families$41,801$53,089
Married Families$53,008-
Non Families$17,023$26,948
Loading...

Marlboro County, South Carolina Marital Status

Marlboro County, South Carolina Marital Status

Loading...

Marriage Rates

37.6%

Overall Marriage Rate

37.4%

Male Marriage Rate

37.8%

Female Marriage Rate

Marlboro County, South Carolina Married by Age and Sex

Loading...

Marlboro County, South Carolina Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Marlboro County, South Carolina Marital Status by Race

Loading...

Marlboro County, South Carolina Veterans

Loading...

1,622

Number of Veterans

1,551

Male Veterans

71

Female Veterans

War Veterans
Vietnam758
Second Gulf War271
First Gulf War269
Korea85
World War II47
Loading...
Age Group Veterans
65 to 74517
35 to 54416
55 to 64294
75+265
18 to 34130
Loading...
Name Veterans % of Total
White8929.70%
Black6566.05%
Indian355.17%
Hispanic334.71%
2 or More233.63%
Other106.33%
Asian610.71%

Marlboro County, South Carolina Veterans by Education

Loading...

13.42%

Veteran Poverty Rate

39.00%

Veteran Disability Rate

Marlboro County, South Carolina Employment Status

Loading...

49.4%

Labor Force Participation

42.9%

Employment Rate

13%

Unemployment Rate

Loading...
Loading...

Origin of Non-Citizens

Loading...

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

Origin of Naturalized Citizens

Loading...

73.17%

Born in South Carolina

97.61%

Native Born

2.39%

Foreign Born

1.65%

Non Citizen

0.74%

Naturalized

Place of Birth

97.61% of Marlboro County, South Carolina residents were born in the United States, with 73.17% having been born in South Carolina. 1.65% 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