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COUNTY · 2020 ACS

Williamsburg County

South Carolina · 31,026 residents · 934 sq mi
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The short version

Williamsburg County is a county of 31,026 people in South Carolina. Four-year degrees are less common here than nationally, at 14% of adults. The median age is 45.7, about 7 years above the US median. The typical home is worth $73,900, having risen by half since 2000. That trails the South Carolina median by roughly 35%. The poverty rate is 24.1%, above the 12.8% national rate.

At a glance
Lower income
below the US median
US median: $66,278
Older
median age 45.7
US median: 38.8
Less educated
14% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
31,026
−17%since 2000
from 37,217 in 2000
1990 – 2025
Median age
45.7
+29%since 2000
from 35.5 in 2000
US average: 38.8
Land area
934 sq mi
Population, 1990 – 2024
30K32K34K36K38K19902000201020202024Williamsburg County
202430K
1990201020202024
Age distribution, 2020
Under 54.5%(1,403)
US avg: 5.6%
5 to 95.2%(1,611)
US avg: 6.1%
10 to 146%(1,873)
US avg: 6.5%
15 to 196.2%(1,936)
US avg: 6.6%
20 to 245%(1,554)
US avg: 6.7%
25 to 3410.3%(3,196)
US avg: 13.5%
35 to 4411.8%(3,666)
US avg: 12.7%
45 to 5413.4%(4,146)
US avg: 12.3%
55 to 6415.4%(4,773)
US avg: 13.1%
65 to 7413.8%(4,279)
US avg: 10%
75 to 846.2%(1,909)
US avg: 4.9%
85 and over2.2%(680)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$35,681
−2%inflation adjusted, since 2000
from $24,214 in 2000
US average: $66,278
1990 – 2024
Per capita income
$19,438
+52%since 2000
from $12,794 in 2000
US average: $35,364
Households earning $100K+
20.4%
+8.0 ptssince 2009
from 12.5% in 2009
US average: 43.9%
Poverty rate
24.1%
−3.8 ptssince 2000
from 27.9% in 2000
US average: 12.8%
Workforce by industry, 2020
Retail trade19.4%
US avg: 10%
Information10.3%
US avg: 11.1%
Wholesale trade8.2%
US avg: 6.7%
Finance & insurance8%
US avg: 5.5%
Professional, scientific, technical6%
US avg: 4.7%
Other services3.2%
US avg: 6.6%
Public administration2.1%
US avg: 4.7%
Agriculture, forestry, fishing2%
US avg: 1.7%
Construction2%
US avg: 1.2%
Education & health services2%
US avg: 0.8%
Transportation & warehousing1%
US avg: 2.5%
Arts, entertainment, food0.6%
US avg: 2%
Manufacturing0%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$73,900
Unchangedinflation adjusted, since 2000
from $49,100 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$660
+51%inflation adjusted, since 2000
from $291 in 2000
US average: $1,124
Owner-occupied
74.5%
−6.0 ptssince 2000
from 80.5% in 2000
25.5% rent
Persons per household
2.31 people
−19%since 2009
from 2.85 people in 2009
US average: 2.61
Afford Score
2.1
−18%since 2009
from 2.5 in 2009
2009 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04

Race & ethnicity

2000
White, non-Hispanic32.5%(12,101)
Black66%(24,546)
Hispanic / Latino0.7%(273)
Asian0.2%(73)
Other0%
2020
White, non-Hispanic32.2%(9,986)
Black63.1%(19,579)
Hispanic / Latino2%(619)
Asian0.5%(147)
Other1.5%(468)
Segregation Score
36
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican1.5%(476)
Puerto Rican0.3%(99)
Cuban0.1%(26)
Colombian0.1%(17)
Spaniard0.1%(16)
Honduran0%(10)
Asian origin
Filipino0.2%(77)
Asian Indian0.2%(63)
Ancestry
American7.7%(2,358)
English3.3%(1,013)
Irish2.4%(730)
German1.8%(569)
Scotch-Irish1.1%(331)
Scottish1%(293)
Polish0.5%(153)
British0.4%(134)
Italian0.4%(116)
French0.3%(96)
+ 11 more ancestry groups with data
West Indian0.2%(54)
Welsh0.1%(35)
Dutch0.1%(33)
Swedish0.1%(29)
Jamaican0.1%(28)
Norwegian0.1%(23)
Portuguese0.1%(17)
Greek0%(10)
Finnish0%(7)
Section 05

Education

Bachelor's degree or higher
14.3%
+2.8 ptssince 2000
from 11.5% in 2000
US average: 32.9%
High school or higher
83.3%
+17.7 ptssince 2000
from 65.5% in 2000
US average: 88.5%
Graduate degree
5.4%
+1.9 ptssince 2000
from 3.5% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
31.7 min
+43%since 2000
from 22.2 min in 2000
US average: 26.9
Drive alone to work
85.8%
+6.6 ptssince 2009
from 79.2% in 2009
US average: 75.1%
No vehicle available
14.3%
+0.2 ptssince 2009
from 14.1% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
5.0%
−5.7 ptssince 2011
from 10.8% in 2011
US average: 5.4%
Labor force participation
48.3%
+2.8 ptssince 2011
from 45.5% in 2011
US average: 63.4%
Women 20-64 in the labor force
65.5%
US average: 73.3%
Management & professional
25.9%
+3.2 ptssince 2009
from 22.7% in 2009
US average: 39.3%
Section 08

People & community

Male
47.4%
−1.9 ptssince 2009
from 49.3% in 2009
Female
52.6%
+1.9 ptssince 2009
from 50.7% in 2009
Foreign born
1.8%
+0.9 ptssince 2009
from 0.9% in 2009
US average: 13.5%
Uninsured
10.0%
−14.7 ptssince 2013
from 24.7% in 2013
US average: 8.8%
Computer in household
76.0%
US average: 91.9%
Same house as last year
92.7%
US average: 86.2%
Marital status (2024)
Men 15+
Never married42.7%(5,315)
Married44.9%(5,587)
Widowed4.1%(516)
Divorced8.3%(1,029)
Women 15+
Never married34.8%(4,553)
Married40.5%(5,308)
Widowed14.3%(1,879)
Divorced10.4%(1,359)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Uninsured
10.0%
−14.7 ptssince 2013
from 24.7% in 2013
US average: 8.8%
Employer-based
42.5%
US average: 55.4%
Direct-purchase
12.0%
US average: 13.7%
Medicare
26.2%
US average: 17.6%
Medicaid
33.8%
US average: 20.0%
VA health care
2.9%
US average: 2.3%
Any private
54.4%
US average: 68.1%
Any public
51.9%
US average: 35.2%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2020
Gulf War (2001 or later)18.1%(295)
US avg: 20.6%
Gulf War (1990s)30.5%(496)
US avg: 21.4%
Vietnam era33.8%(550)
US avg: 35.2%
Korean War2.4%(39)
US avg: 7.6%
World War II0.4%(6)
US avg: 2.9%

Share of the 1,626 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper

Places similar to Williamsburg County

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Pop 26,225
Sumter County
Pop 28,801
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Pop 29,097
Barbour County
Pop 24,607
Places similar to Williamsburg County
Head to head

Compare Williamsburg County to nearby counties

WILLIAMSBURG COUNTY VS
Florence County
Income$58,305+63%
Home value$177,900+141%
Population138,504+367%
SEE FULL COMPARISON →
WILLIAMSBURG COUNTY VS
Georgetown County
Income$68,713+93%
Home value$289,500+292%
Population65,912+122%
SEE FULL COMPARISON →
WILLIAMSBURG COUNTY VS
Clarendon County
Income$52,401+47%
Home value$158,000+114%
Population31,043+5%
SEE FULL COMPARISON →
WILLIAMSBURG COUNTY VS
Berkeley County
Income$84,358+136%
Home value$310,300+320%
Population274,666+826%
SEE FULL COMPARISON →
Frequently asked

How many people live in Williamsburg County, South Carolina?

Williamsburg County, South Carolina has about 31,026 residents according to the 2020 American Community Survey.

What is the median household income in Williamsburg County, South Carolina?

The typical household in Williamsburg County, South Carolina earns about $35,681 a year. Half of households make more than that, and half make less.

Is Williamsburg County, South Carolina expensive?

In Williamsburg County, South Carolina, the median home is worth about $73,900, and the typical rent is about $660 a month.

How educated are people in Williamsburg County, South Carolina?

About 14.3% of adults age 25 and over in Williamsburg County, South Carolina hold a bachelor's degree or higher.

What is the poverty rate in Williamsburg County, South Carolina?

About 24.1% of people in Williamsburg County, South Carolina live below the federal poverty line.

Has Williamsburg County, South Carolina grown since 1990?

Yes, Williamsburg County, South Carolina has shrunk since 1990. The population has lost about 5,789 residents, a change of about -16 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →