The numbers behind Medicare in Williamsburg County
| Williamsburg County | South Carolina | |
|---|---|---|
| Residents age 65 and older | 6,987 | 1,037,931 statewide |
| Share of residents age 65+ | 23.4% | 19.3% statewide |
| People with Medicare | 8,660 | 1,294,203 statewide |
| Enrolled in Medicare Advantage | 5,283 | 604,910 statewide |
| Medicare Advantage share | 61.0% | 46.7% statewide |
Figures come from the Census Bureau and CMS (September 2026).
Williamsburg County ranks 30th of 46 South Carolina counties by number of residents age 65 and older, with about 6,987 people in that age group, or 23.4% of residents (statewide: 19.3%). About 2,040 more people are 60 to 64 and are heading toward Medicare; our turning 65 guide explains their first steps. Census 2023 estimates show 59% of the 65-plus population is under 75, 33% is 75 to 84 and 8% is 85 or older. Medicare Advantage enrollment in Williamsburg County is 61.0% of people with Medicare, higher than the South Carolina average of 46.7%. What most people do in a county is less important than what fits you. We weigh Medicare Advantage against Original Medicare with Medigap using your doctors, your drugs and your budget.
Who has Medicare in Williamsburg County
The USDA classifies Williamsburg County as: urban population of 5,000 to 20,000, adjacent to a metro area. In counties of this type, people often travel to a larger neighboring county for specialists, so we check whether your plan’s network reaches there.
CMS counts 8,798 Medicare beneficiaries in Williamsburg County (2023). Their average age is 72, about the same as the South Carolina average of 73. About 14% are “dual eligible,” meaning they have both Medicare and Medicaid, higher than the state figure of 7%. Where many people have both, special plans for dual-eligible members can matter; see our Medicaid and dual eligible guide, since availability varies by plan and area.
Among people in Original Medicare in Williamsburg County, CMS reported about 667 emergency room visits and 252 inpatient hospital stays per 1,000 beneficiaries in 2023, which is higher than the state average for emergency visits (563) and higher than it for hospital stays (202). About 11% received home health care. These figures describe how people use care under Original Medicare; they do not show what any plan covers or costs.
Sources: CMS Medicare Geographic Variation, 2023; USDA Rural-Urban Continuum Codes, 2023.
Where you live decides which Medicare Advantage and Part D plans you can join, and Williamsburg County may have a different set of plans than the counties around it. We are not based in Williamsburg County; we help Williamsburg County residents by phone or video call.
Hospitals and doctors near Williamsburg County
CMS Hospital General Information lists no acute care, critical access or children’s hospital located inside Williamsburg County. Residents often use hospitals in neighboring counties, which matters for Medicare Advantage because a plan’s network may include or leave out the hospital you use. We check your hospitals and doctors before you enroll.
Williamsburg County: communities and ZIP codes
Census Bureau 2023 estimates put the biggest communities in Williamsburg County at Kingstree (3,072), Hemingway (472), Lane (454), Greeleyville (364), Stuckey (193), Andrews (44), counting only the part of each community inside the county.
ZIP codes that fall mostly inside Williamsburg County include 29056, 29510, 29518, 29556, 29564, 29580, 29590. Plan availability can change by ZIP code, so have yours ready when we compare plans.
Questions about Medicare in Williamsburg County?
Reach out to us: fill out our short form or call (571) 354-0146, and a licensed agent will compare the plans available to you, check your doctors and drugs, and stay with you each year at renewal. For general Medicare information, the federal helpline is 1-800-MEDICARE (1-800-633-4227).
Medicare resources from official sources
- Medicare Plan Finder on Medicare.gov, searchable by ZIP code.
- Social Security: Medicare to enroll or check status.
- Medicare.gov: Medigap on how Medicare Supplement works.
- HealthCare.gov if you are not yet on Medicare.
- South Carolina Department of Insurance: South Carolina’s insurance regulator, including agent license lookup.
Coverage we offer Williamsburg County residents
As an independent agency we are not tied to one insurer, so for Williamsburg County residents we can compare annuities, Medicare Advantage, Medicare Supplement (Medigap), Part D drug plans, ACA health insurance, ICHRA, group health insurance, life insurance and final expense insurance.
Get a clear answer for Williamsburg County
A short call is enough to compare your options. Our help is free to you.
Get my plan comparisonPlain-English Medicare answers
- How to read your Medicare Annual Notice of Change
- Medicare 101 for families
- What Medicare Part D actually costs
- Does Medicare cover dental, vision and hearing?
Williamsburg County compared with similar South Carolina counties
| County | Residents 65+ | Medicare Advantage share | Dual eligible share | Area type |
|---|---|---|---|---|
| Marion County | 6,253 | 57.5% | 16% | Smaller city/town |
| Colleton County | 8,072 | 50.5% | 9% | Smaller city/town |
| Newberry County | 8,125 | 44.7% | 8% | Smaller city/town |
| Abbeville County | 5,691 | 50.2% | 8% | Smaller city/town |
| Chesterfield County | 8,639 | 51.2% | 15% | Smaller city/town |
| Marlboro County | 5,094 | 60.7% | 18% | Smaller city/town |
See every South Carolina county in our South Carolina directory or go to our South Carolina Medicare hub.