Williamsburg County, South Carolina Population 2020

Williamsburg County, South Carolina's estimated population is 29,448 with a growth rate of -1.93% in the past year according to the most recent United States census data. Williamsburg County, South Carolina is the 33rd largest county in South Carolina.

Year Population Growth Growth Rate
202029,448-579-1.93%
201930,027-579-1.89%
201830,606-579-1.86%
201731,185-730-2.29%
201631,915-603-1.85%
201532,518-228-0.70%
201432,746-331-1.00%
201333,077-479-1.43%
201233,556-547-1.60%
201134,103-244-0.71%
201034,347-2,468-6.70%
199036,815-1,411-3.69%
198038,2263,98311.63%
197034,243-6,689-16.34%
196040,932-2,875-6.56%
195043,8072,7966.82%
194041,0116,09717.46%
193034,914-3,625-9.41%
192038,5399132.43%
191037,6265,94118.75%
190031,6853,90814.07%
189027,7773,66715.21%
188024,1108,62155.66%
187015,4890.00%
186015,4893,04224.44%
185012,4472,12020.53%
184010,3271,30914.52%
18309,0183023.46%
18208,7161,84526.85%
18106,8710.00%
2020 Growth Rate
-1.93%
County Website
Founded
1804
County Seat
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Williamsburg County, South Carolina Population Growth

Population by Race

Race Population Percentage
Black or African American20,56464.68%
White10,16431.97%
Two or More Races4261.34%
Some Other Race3541.11%
Asian1860.59%
American Indian and Alaska Native1000.31%
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Williamsburg County, South Carolina Population Pyramid 2020

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Williamsburg County, South Carolina Median Age

42.1


Total

39.6


Male

45.2


Female

Williamsburg County, South Carolina Adults

There are 24,981 adults, (6,103 of whom are seniors) in Williamsburg County, South Carolina.

Williamsburg County, South Carolina Age Dependency

68.4

Age Dependency Ratio

32.3

Old Age Dependency Ratio

36.1

Child Dependency Ratio

Williamsburg County, South Carolina Sex Ratio

Female

16,487

51.86%

Male

15,307

48.14%

Williamsburg County, South Carolina Households and Families

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

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Williamsburg County, South Carolina Household Types

Type Owner Renter
Married83.1%16.9%
Male76.7%23.3%
All74.6%25.4%
Female68.6%31.4%
Non Family67.6%32.4%

74.6%

Rate of Home Ownership

Type Count Average Size Owned
All12,4112.4374.6
Married5,0033.0983.1
Non Family4,1411.0967.6
Female2,5133.2468.6
Male7542.6476.7

3.04

Average Family Size

2.43

Average Household Size

2.3%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

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Williamsburg County, South Carolina Education

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Education Attained Count Percentage
Less Than 9th Grade1,5957.14%
9th to 12th Grade2,72112.18%
High School Graduate9,36141.89%
Some College3,94817.67%
Associates Degree1,8938.47%
Bachelors Degree1,8958.48%
Graduate Degree9334.18%
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Williamsburg County, South Carolina Educational Attainment by Race

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Name Total High School Bachelors
Black13,97711,2101,524
White7,5576,3051,188
Hispanic50824738
Multiple Races2001444
Other Race1887624
Asian13912574
Native American7777

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

The highest rate of bachelors degrees is among asian people with a rate of 53.24%.

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Name Average Male Female
Overall$27,537$31,361$25,209
Less Than High School$19,459$26,658$16,250
High School Grad$25,648$30,393$21,355
Some College$30,290$32,604$28,750
Bachelors Degree$32,156$38,333$30,333
Graduate Degree$42,976$67,772$36,809

$27,537

Average Earnings

$31,361

Average Male

$25,209

Average Female

Williamsburg County, South Carolina Language

Williamsburg County, South Carolina Language by Age

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Williamsburg County, South Carolina Language

96.83% of Williamsburg County, South Carolina residents speak only English, while 3.17% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.25% of the population.

Williamsburg County, South Carolina Poverty

Williamsburg County, South Carolina Poverty by Race

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Name Total In Poverty Poverty Rate
Black19,5265,54728.41%
White9,6621,79618.59%
Multiple32615547.55%
Asian1865227.96%
Hispanic3464412.72%

25.14%

Overall Poverty Rate

24.39%

Male Poverty Rate

25.77%

Female Poverty Rate

Poverty in Williamsburg County, South Carolina

The race most likely to be in poverty in Williamsburg County, South Carolina is Multiple, with 47.55% below the poverty level.

The race least likely to be in poverty in Williamsburg County, South Carolina is Hispanic, with 12.72% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 5.26%. Among those working part-time, it was 26.61%, and for those that did not work, the poverty rate was 35.42%.

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Name Poverty
Less Than High School35.91%
Some College20.55%
High School19.77%
Bachelors or Greater13.99%
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Name Poverty
Male Unemployed33.71%
Female Unemployed27.74%
Female Employed11.61%
Male Employed7.62%

Williamsburg County, South Carolina Income

Williamsburg County, South Carolina Income by Household Type

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Name Median Mean
Households$32,351$46,239
Families$45,238$57,808
Married Families$57,430-
Non Families$15,613$21,758
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Williamsburg County, South Carolina Marital Status

Williamsburg County, South Carolina Marital Status

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Marriage Rates

40.9%

Overall Marriage Rate

42.7%

Male Marriage Rate

39.2%

Female Marriage Rate

Williamsburg County, South Carolina Married by Age and Sex

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Williamsburg 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 55-64.

Williamsburg County, South Carolina Marital Status by Race

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Williamsburg County, South Carolina Veterans

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1,644

Number of Veterans

1,591

Male Veterans

53

Female Veterans

War Veterans
Vietnam642
First Gulf War413
Second Gulf War300
Korea71
World War II41
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Age Group Veterans
55 to 64450
65 to 74430
35 to 54387
75+211
18 to 34166
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Name Veterans % of Total
Black9616.05%
White6367.59%
Hispanic5910.17%
Other2410.67%
2 or More2310.70%

Williamsburg County, South Carolina Veterans by Education

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16.61%

Veteran Poverty Rate

41.26%

Veteran Disability Rate

Williamsburg County, South Carolina Employment Status

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48.9%

Labor Force Participation

45.2%

Employment Rate

7.3%

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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83.97%

Born in South Carolina

98.38%

Native Born

1.62%

Foreign Born

1.03%

Non Citizen

0.59%

Naturalized

Place of Birth

98.38% of Williamsburg County, South Carolina residents were born in the United States, with 83.97% having been born in South Carolina. 1.03% 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