Williston, SC land: flood and parcels
1,900 parcels
On the county tax roll
Map data Oct 17, 2026
- In a FEMA flood zone0.2%special flood hazard area
South Carolina 2026 taxes: due by January 15, 2027.
Sources & method
South Carolina Code of Laws 12-45-70, 12-45-180 and 12-60-2510. Checked Oct 20, 2026.
Free account: 25 parcel cards a day on the map, with watches and a saved search. Get started free
Our map has no zoning layer for Williston yet. Ask the town's or Barnwell County's planning office which zoning applies to a parcel.
Around Williston
Parcels to start with
Flood zones and wetlands
People and new homes in Williston
About 2,898 people live in Williston.
- Population2,898July 2025 estimate, +0.3% since 2020
- Median household income$39,4842020–2024 average, ±$7,641
Sources & method
U.S. Census Bureau, Population Estimates Program, Vintage 2025 (May 2026); U.S. Census Bureau, American Community Survey 2020-2024 5-year (B19013) (Jan 2026).
Typical lot sizeThe typical lot, from the roll
The median parcel in Williston is 0.45 acre (1,900 parcels with a size).
Acres from each parcel's own outline (the state's parcel layer carries no deeded acres). Condominium units that share one point (each carrying the whole complex's acres) are left out of the lot sizes.
Land parcels in WillistonLand and farm parcels to start with
- 31.0 acres of land
- 31.0 acres of land
- 27.6 acres of land
- 26.3 acres of land
- 26.1 acres of land
- 26.0 acres of land
- 25.4 acres of land
- 25.3 acres of land
Land tracts of 5 acres or more, each with its own page of public land facts.
Nearby townsTowns around it
Questions about Williston landAnswers from the public records
How many parcels are in Williston, SC?
1,900 parcels on the SC Revenue and Fiscal Affairs Office statewide parcel layer for Barnwell County (last edited Sep 2026, pulled Oct 2026) inside the Census Bureau's boundary for Williston, which can differ from its own limits at the edges, covering 5,226 acres.
Is vacancy verified in Williston, SC?
Barnwell County's parcels come from the state's parcel layer, which carries no land-use class or building record, so we don't call any Barnwell County parcel vacant.
What is the typical lot size in Williston?
The median parcel is 0.45 acre, from 1,900 parcels with a recorded size.
How much of Williston is in a flood zone?
0.2% of parcels are in a FEMA special flood hazard area (National Flood Hazard Layer, as of Sep 2026). Check each parcel's own flood line before you buy.
Are there wetlands in Williston?
2.1% of parcels are a quarter or more wetland on the USFWS National Wetlands Inventory, a mapping guide, not a legal delineation.
What is Williston zoned?
Our map has no zoning layer for Williston yet. Ask the town's or Barnwell County's planning office which zoning applies to a parcel.
Are there land prices for Williston?
No land-price range is shown for Williston yet. We have no sale-price file for Barnwell County yet.
How many people live in Williston?
About 2,898 (Census estimate for July 1, 2025), +0.3% since 2020.
Where does this data come from?
Parcels: SC Revenue and Fiscal Affairs Office statewide parcel layer. Flood: FEMA National Flood Hazard Layer. Wetlands: USFWS National Wetlands Inventory. Towns: U.S. Census places. Every figure is counted from those files on our map.
More in Barnwell CountyIts other towns
About these numbersSources, dates and how these figures are built
What Groundwork can price in Williston
No price estimate in South Carolina yet.
Sources
Parcels: SC Revenue and Fiscal Affairs Office statewide parcel layer (layer last edited Sep 2026, pulled Oct 2026); flood: FEMA National Flood Hazard Layer (as of Sep 2026); wetlands: USFWS National Wetlands Inventory (as of Oct 2026); town limits: U.S. Census Bureau TIGER/Line places; counted on our map built Oct 2026.