County · code 45005
Allendale CountySouth Carolina
Allendale County is a county in South Carolina with its seat in Allendale. It was created on February 6, 1919, from parts of Barnwell and Hampton counties.
- Founded1919
- County seatAllendale
- Named forPaul H. Allen and Allendale, South Carolina
- Land area408 sq mi + 4.3 sq mi water
- Population8,039 2020 Census
- Parcels mapped10,806 checked 14 October 2026
Where it is
Allendale on the map of South Carolina
South Carolina has 46 counties and county equivalents, each with its own records office. Shapes with a page are links.
History
Formed in 1919 from Barnwell County and Hampton County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Allendale County was created from Barnwell and Hampton counties on February 6, 1919.
- 1919Allendale County created Allendale created from Barnwell and Hampton. · S.C. Acts 1919, no. 6, sec. 1/pp. 5-6
Land and parcels
What the maps cover in Allendale
Who publishes each layer, how good it is, and when we last checked.
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Parcels Fallback
Lot lines and tax-map numbers for 10,806 parcels from South Carolina Forestry Commission (state agency; Forest Stewardship priority parcels derived from county parcels). Drawn for tax purposes: usually within a few feet of a survey, but not a survey. This copy is a fallback, not the county's own: use it as a guide and check the official record.
edited 21 April 2026 · checked 14 October 2026 -
Address points Missing
No public address points layer found for Allendale County yet.
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Buildings Reference
Roof outlines traced from aerial imagery from FEMA Response Geospatial Office with Oak Ridge National Laboratory (ORNL). Good for seeing what is on a lot; not accurate enough to set a fence from.
checked 18 October 2026
- Official
- from the office that keeps the record
- Good enough
- a reliable statewide or national copy
- Fallback
- a guide only; check the official record
- Missing
- nothing public found yet
People and land
Allendale by the Census
Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.
Rules and offices
Allendale County's official site
We have found the county's site but not its offices yet; start there.
County government
- County government
The official website of Allendale County.
See your own lot on these maps
Open Allendale County on Parcel Chart's free map and click your parcel. Save it with a free account; the full record of your place (site map, projects, documents) is Pro, in early access.
Questions
Common questions about Allendale County
- When was Allendale County founded?
- Allendale County was founded in 1919, formed from Barnwell County and Hampton County, and named after Paul H. Allen and Allendale, South Carolina.
- What is the county seat of Allendale County?
- The county seat of Allendale County is Allendale.
- Is there an online parcel map for Allendale County?
- Yes. South Carolina Forestry Commission (state agency; Forest Stewardship priority parcels derived from county parcels) publishes a parcel map of 10,806 parcels, rated fallback here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Allendale County's boundary or name changed?
- Allendale County was created in 1919 from Barnwell County and Hampton County. The Atlas of Historical County Boundaries records no boundary change since.
- Is my lot in a flood zone?
- We do not have flood maps for Allendale County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby