Williamsburg County, SC demographics:
population, income, and more

Total population
30,282
-0.8% year-over-year change
Median household income
$46,213/yr
6.3% year-over-year change
Housing units
14,907
0.5% year-over-year change

Williamsburg County population

How many people live in Williamsburg County

Williamsburg County is home to 30,282 residents, according to the most recent Census data. Gender-wise, 48.9% of Williamsburg County locals are male, and 51.1% are female.

Total population
30,282
-0.8% year-over-year change
Gender ratio
Male
48.9%
14,797
Female
51.1%
15,485
Value Percent YoY change
Male 14,797 48.9% -0.3%
Female 15,485 51.1% -1.2%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Williamsburg County is 43, with the population distributed as follows: about 15.6% are children under 15, then 11.3% are in the 15 to 24 age group. Adults between 25 and 44 make up 24.2% of the population, while another 26.2% fall into the 45 to 64 bracket. Finally, around 22.7% are 65 or older.

Median age
43.2
Age breakdown
Under 15
15.6%
15 to 24
11.3%
25 to 44
24.2%
45 to 64
26.2%
Over 65
22.7%
Value Percent YoY change
Under 15 4,736 15.6% -1.8%
15 to 24 3,424 11.3% -1.2%
25 to 44 7,337 24.2% 1.1%
45 to 64 7,918 26.2% -4.2%
Over 65 6,867 22.7% 2.4%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Williamsburg County, 97% of the population are US-born citizens, while 1.2% have gained naturalized citizenship. At the same time, 1.8% of residents are non-citizens. As for race, 32.9% of locals are Caucasian, 63.4% are African American and 0.8% have Asian roots. There’s also a share of 1.5% that includes residents with two or more races.

Citizenship
U.S.-born citizens
97%
Non-U.S.-born citizens
1.2%
Non-citizens
1.8%
Value Percent YoY change
U.S.-born citizens 29,385 97% -0.3%
Non-U.S.-born citizens 366 1.2% 7.7%
Non-citizens 531 1.8% -24.7%
Racial breakdown
White
32.9%
Black or African American
63.4%
American Indian and Alaska Native
0.5%
Asian
0.8%
Native Hawaiian and other Pacific Islander
0%
Two or more races
1.5%
Other
1%
Value Percent
White 9,950 32.9%
Black or African American 19,185 63.4%
American Indian and Alaska Native 145 0.5%
Asian 238 0.8%
Two or more races 446 1.5%
Other 318 1%

Households in Williamsburg County

A peek inside Williamsburg County households

Williamsburg County has 12,291 households, with an average of 2 members in each. Of these, 61.3% are families, while the remaining 38.7% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
12,291
1.1% year-over-year change
Average people per household
2
Non-family households
4,754
Family households
7,537
Value Percent YoY change
Non-family households 4,754 38.7% 1.9%
Family households 7,537 61.3% 0.6%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Williamsburg County

The housing landscape of Williamsburg County

Williamsburg County's housing consists of 14,907 units, with 53.5% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 0.2% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 39.5% of the housing landscape.

Housing units
14,907
0.5% year-over-year change
Housing types
Value Percent
1 unit, detached 7,977 53.5%
1 unit, attached 24 0.2%
2 units 247 1.7%
3 or 4 units 439 2.9%
5 to 9 units 277 1.9%
10 to 19 units 3 0%
20 to 49 units 38 0.2%
Mobile home 5,883 39.5%
Boat, RV, van, etc. 19 0.1%
Homes built since 2020
208
32.5% year-over-year change

The age of buildings in Williamsburg County

In Williamsburg County, the median construction year is 1985. About 5% of homes were built before the 1940s, with another 3% going up by 1949. Most development happened in the second half of the 20th century. Then, 12.3% of homes were added from 2000 to 2009, 10% between 2010 and 2019, and 1.4% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 750 5% 7.1%
Built between 1940 and 1949 454 3% 13.2%
Built between 1950 and 1959 893 6% -7.0%
Built between 1960 and 1969 1,697 11.4% 17.6%
Built between 1970 and 1979 2,487 16.7% 1.0%
Built between 1980 and 1989 2,590 17.4% -10.9%
Built between 1990 and 1999 2,500 16.8% 1.6%
Built between 2000 and 2009 1,833 12.3% -6.6%
Built between 2010 and 2019 1,495 10% 8.0%
Built in 2020 or later 208 1.4% 32.5%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Williamsburg County occupancy rates

Out of the 12,291 occupied housing units in Williamsburg County, 76.4% are owner-occupied, while 23.6% are lived in by tenants. Meanwhile, 17.5% of all homes on the local market sit vacant.

Occupied housing units
12,291
1.1% year-over-year change
Occupancy breakdown
Renter occupied
2,904
Owner occupied
9,387
Value Percent YoY
change
Renter occupied 2,904 23.6% -5.9%
Owner occupied 9,387 76.4% 3.4%
Unoccupied housing units
17.5%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Williamsburg County housing costs

Housing costs in Williamsburg County come to a median of $648 per month, while tenants specifically pay a median gross rent of $765.

Median housing costs per month
$648/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Williamsburg County
$765/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Williamsburg County

Williamsburg County education at a glance

About 52.1% of the population in Williamsburg County went to high school, while 18.8% pursued college studies. Another 8.6% earned an associate degree and 10.2% hold a bachelor’s. Meanwhile, 6.2% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 984 4% -7.2%
High school diploma 12,716 52.1% -5.2%
College diploma 4,578 18.8% 1.6%
Associate degree 2,099 8.6% 7.8%
Bachelor's degree 2,501 10.2% 18.2%
Graduate degree 1,522 6.2% 3.6%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Williamsburg County

How much people earn in Williamsburg County

The average annual household income in Williamsburg County was $59,459 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +3% change from the previous year. At the same time, the median income stood at $46,213, reflecting a +6.3% shift over the same period.

Average household income in Williamsburg County
$59,459/year
3.0% year-over-year change
Median household income in Williamsburg County
$46,213/year
6.3% year-over-year change

Williamsburg County income by age

In Williamsburg County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $51,094. Those with someone between 45 and 64 in charge, often well established professionally, earn $52,958 overall. Overall, 77% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $51,094 2.0%
45 - 64 $52,958 -0.3%
Over 65 $33,713 12.4%
Above poverty level
21,864
Below poverty level
6,527
Value Percent YoY
change
Above poverty level 21,864 77% -0.1%
Below poverty level 6,527 23% -1.2%

Employment in Williamsburg County

Workforce and job types in Williamsburg County

The job market in Williamsburg County is powered by 11,984 working residents, spread across a range of industries and roles. 68.7% of the working population are employed in professional or administrative positions, while 31.3% are in hands-on or service-based jobs. Also, 9.5% run their own businesses, 66.2% are employed by private companies, and 19.1% work in the public sector.

Workforce demographics

Working population
11,984
0.9% year-over-year change
White collar
8,234
Blue collar
3,750
Value Percent YoY change
White collar 8,234 68.7% 4.8%
Blue collar 3,750 31.3% -6.6%
Employer type
Self employees
9.5%
Private companies
66.2%
Governmental workers
19.1%
Not for profit companies
5.2%
Value Percent YoY change
Self employees 1,138 9.5% 8.9%
Private companies 7,927 66.2% -1.6%
Governmental workers 2,293 19.1% -2.3%
Not for profit companies 626 5.2% 46.3%
Unemployment rate
4.0%
-19.9% year-over-year change

Available workforce

The unemployment rate in Williamsburg County stands at 4%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Williamsburg County

How people get around in Williamsburg County

In Williamsburg County, the average commute time is 31 minutes. Commuting methods vary: 90.6% of residents travel by personal vehicle and 0.7% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
31 min
-1.3% year-over-year change
Means of transportation
Value Percent YoY change
Car 10,713 90.6% -0.3%
Bus or trolleybus 72 0.6% -42.9%
Walk 79 0.7% -3.7%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Williamsburg County by zipcode?

Zipcode Population Number of households Median income Average income
29056 2,203 975 $47,031 $58,957
29111 1,401 513 $76,250 $101,897
29510 10,545 3,904 $55,058 $70,749
29518 1,121 482 $61,923 $68,411
29554 8,681 3,470 $55,100 $68,933
29556 10,559 4,549 $42,365 $61,935
29560 12,277 5,164 $46,601 $71,659
29564 1,262 488 $40,000 $53,891
29580 1,322 485 $50,156 $57,175
29590 3,480 1,017 $31,115 $50,122

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FAQs about Williamsburg County demographics 

What is the total population of Williamsburg County?

Williamsburg County has a total population of 30,282 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -0.8% compared to a year ago.

What is the gender ratio in Williamsburg County?

The gender ratio in Williamsburg County is as follows:
  • 48.9% males (14,797 residents)
  • 51.1% females (15,485 residents)

What is the median age in Williamsburg County?

The median age in Williamsburg County is 43.2.

What is the age distribution of the population in Williamsburg County?

The age distribution in Williamsburg County is as follows:
  • Under 15: 15.6% (4,736 residents)
  • Ages 15-24: 11.3% (3,424 residents)
  • Ages 25-44: 24.2% (7,337 residents)
  • Ages 45-64: 26.2% (7,918 residents)
  • Over 65: 22.7% (6,867 residents)

What is the racial and ethnic makeup of Williamsburg County?

The racial and ethnic makeup of Williamsburg County is as follows:
  • White: 32.9% (9,950 residents)
  • Black or African American: 63.4% (19,185 residents)
  • American Indian and Alaska Native: 0.5% (145 residents)
  • Asian: 0.8% (238 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 1.5% (446 residents)
  • Other: 1% (318 residents)

What percentage of the population in Williamsburg County are U.S.-born citizens?

U.S.-born citizens represent 97% of the population in Williamsburg County.

How many housing units are there in Williamsburg County?

There are 14,907 housing units in Williamsburg County, reflecting a +0.5% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Williamsburg County and what is the average household size?

Williamsburg County has a total of 12,291 households, with an average of 2 people in each.

What is the median household income in Williamsburg County?

Williamsburg County has a median household income of $46,213, representing a +6.3% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Williamsburg County?

The employment rate is 96% in Williamsburg County, with a workforce of 11,984 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 68.7% (8,234 residents)
  • Blue-collar workers: 31.3% (3,750 residents)

Places of employment:
  • Self-employed: 9.5% (1,138 residents)
  • Private companies: 66.2% (7,927 residents)
  • Governmental workers: 19.1% (2,293 residents)
  • Not-for-profit companies: 5.2% (626 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025