According to the most recent Williamsburg County South Carolina demographics data available from the 2022 Census Bureau released in the American Community Survey in November of 2022, Figure 1 Williamsburg County depicts it has a Population 2021 of 31,279 which is the second smallest in order of population of all the other counties in the greater region. The county with the highest population in the area is Berkeley County which depicts a population of 224,806 ( very much bigger). Figure 3 uses the Williamsburg County population data for a comparison of the population growth/population change estimates from the years 2010 to 2021 and Williamsburg County South Carolina shows a decline of 3,144 (9%).
The total Williamsburg County South Carolina greater area population percent change for all areas for the years from 2010 to 2021 is shown in Figure 4 and for Williamsburg County shows it has a Population Change of -9.1% which is less than most other counties in the local area.
Looking at the Williamsburg County population density (measured as people per square mile) and providing comparisons to both the national and state average population density in Figure 5, Williamsburg County South Carolina shows it has 33 people per square mile which is the smallest as measured by population density of all the other counties in the metro area. The next higher as measured by population density is Clarendon County 55.6% larger with population density of 52. The county with the highest population density in the area is Berkeley County which shows a people per square mile of 205 ( substantially bigger). Figure 6 provides Williamsburg County demographics for the overall median age for all people in the region and Williamsburg County depicts it has a Median Age of 43.3 which is the third most median age of all other counties in the greater Williamsburg County region. The county with the highest overall median age of all people in the area is Georgetown County which depicts an age of 50.4 (16.4% larger).
Figure 8 illustrates the overall diversity breakdown for Williamsburg County population and ethnicity groups in the area. (note: Hispanic/Latino is broken out separately in the next diagram and also the group denoted as Native ethnicity includes Native American, and Hawaiian and Other Pacific Islander.) Williamsburg County South Carolina has the largest proportion of White population at 64.4% of the total and is ranked #1. Second, it has the smallest proportion of Native population at 2.5% of the total. Figure 9 shows the Williamsburg County South Carolina Hispanic (including non Hispanic whites) population household ethnicity in the region and Williamsburg County shows it has a Hispanic or Latino of 2.3% which is the smallest in terms of people who are Hispanic or Latino of all the other counties in the local area.
Williamsburg County Families and Marital Status Charts
Figure 10 shows the detailed marriage characteristics broken down by %residents who are married, never married, single, divorced, and widowed. Williamsburg County has the largest proportion of percent divorced at 11% of the total and is ranked #1. Figure 11 compares the average household size using the average number of people in a family for Williamsburg County households. Williamsburg County depicts it has a Family Size of 3.3 which is in the center range of other counties in the local area. The county with the highest average family size in the area is Marion County which depicts an average family size of 3.7 (13.1% larger).
Looking at Williamsburg County households that are headed by a husband and wife as a percent of all families in Figure 12, Williamsburg County shows it has a Married-couple family of 60% which is the second smallest in terms of percent of people in a husband and wife family of all the other counties in the metro area. The county with the highest percent of people in a husband and wife family in the area is Georgetown County which shows a husband and wife family percent of 73% (21.4% larger).
The next section of charts provide a detailed look at mothers and baby births that occurred over the past 12 months. Figure 13 shows the rate of women aged 15 to 50 years old who have given birth. Williamsburg County shows it has a Birth Rate of 6.9% which is the third most percent of women who have given birth of all other counties in the greater Williamsburg County region. The county with the highest percent of women who gave birth in the area is Sumter County which depicts a birth rate of 7.2% (only about 3.9% larger). Figure 14 shows the breakdown of the mother's age for all baby births that occurred in the last 12 months and has the percentage of percent of births to mothers aged 15 to 19 in the mid range of other counties in the metro area at 18% of the total. Second, it has the smallest proportion of percent of births to mothers aged 20 to 24 at 2% of the total. Third, it has one of the largest proportions of percent of births to mothers aged 25 to 29 at 32% of the total and is ranked #2. The only larger county being Florence County with 38%. Also, it has one of the largest proportions of percent of births to mothers aged 30 to 34 at 30% of the total and is ranked #2. The only larger county being Georgetown County with 40%. In addition, it has the largest proportion of percent of births to mothers aged 35 to 39 at 17% of the total and is ranked #1.
The next set of demographic data looks at the marital status for Williamsburg County households which is useful for internet research. Figure 16 compares the total number of single people in each area. Williamsburg County depicts it has a Total Single People of 58% which is the second most percent single people of all the counties in the greater Williamsburg County region. The county with the highest percent of people who are single for any reason in the area is Marion County which depicts a percent single of 66% (14.0% larger). Comparing percent of people who are single for any reason to the United States average of 50%, Williamsburg County is 15.5% larger. Also, compared to the state of South Carolina, percent of people who are single for any reason of 50%, Williamsburg County is 16.7% larger.
Williamsburg County Citizenship Demographics Charts
The next section of demographic information provides detailed data Williamsburg County residents including: immigrants, citizenship, immigration, country of origin, non citizens and more. To start, Figure 17 shows a high level view of citizenship. Williamsburg County South Carolina has the smallest proportion of citizens born In US at 0% of the total. The next diagram (Figure 18) shows the year of entry that non citizens entered the United States. The year of entry can show the rate of flow at various points of time in the past for when they entered the U.S. it has one of the largest proportions of non citizens who entered the US between 1990 to 1999 at 27% of the total and is ranked #3. Only #2 Clarendon County (31%), and #1 Marion County (36%) are larger.
Williamsburg County Birthplace Demographic Charts
Figure 19 looks at the detailed country of origin demographic research for foreign-born people in this place. Click column to sort.
For comparison purposes, Figure 20 shows detailed statistic data for the entire United States. In particular, this diagram breaks down the detailed country of origin foreign-born people in the entire U.S. in order to compare with the data provided in the prior diagram which shows only for the local area. Both this diagram and the prior diagram are sorted the same way to facilitate comparison between the two. Click column to sort.
Williamsburg County, South Carolina Demographics Data
Cities marked with an asterisk ("*") should resemble a city or town but do not have their own government (i.e. Mayor, City Council, etc.) These places should be recognizable by the local community but their boundaries have no legal status. Technically these include both Census Designated Places (CDP) and Census County Divisions (CCD) which are defined by the Census Bureau along with local authorities. (For more information, see:
Census Designated Place or "CDP")
and Census County Division "CCD".)
For comparison purposes, the US national average and the state average value are provided. Additionally, the "Combined Statistical Area" or CSA is shown that is closest to the city, county, or zip code shown. A CSA is a large grouping of adjacent metropolitan areas that identified by the Census Bureau based on social and economic ties. (See: Combined Statistical Area)
Data sources - Mouse over icon in upper right corner of each chart for information.