Allendale County, South Carolina
Allendale County, South Carolina, has 7,355 residents (July 2025 estimate). Its county seat is Allendale. It uses Eastern Time and covers 408 sq mi (1,057 km²) of land.
- Resident population, July 2025
- 7,355
- Land area
- 408 sq mi (1,057 km²)
- County seat or government
- Allendale
- Time zone
- Eastern TimeUTC-05:00 in January; UTC-04:00 in July
- Median household income
- $32,328 ± $7,995
- Median home value
- $76,200 ± $11,811
- Median rent, with utilities
- $662 ± $180
- Homes lived in by their owners
- 61.7% ± 5.7 points
- County type
- County
- Metro or micro area
- Outside any metro or micro areaNext to: Augusta-Richmond County, GA-SC metro area
- Water area
- 4.32 sq mi (11.2 km²)
- State
- South Carolina
- County code (FIPS)
- 45005
- Coordinates (central point)
- 32.979757, -81.363265
These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.
Time zones in Allendale County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Eastern TimeAmerica/New_York | UTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.
ZIP Code areas, largest first
6 ZIP Code areas overlap Allendale County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.
Official county information
Allendale County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
School districts in Allendale County, largest first
- Allendale County School District7,661 people
Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.
Cities, towns and communities, largest first
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Allendale, South Carolina (town)2,653 people
- Fairfax, South Carolina (town)1,935 people
- Ulmer, South Carolina (town)190 people
- Sycamore, South Carolina (town)68 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Hampton County, South Carolina19 mi southeast
- Barnwell County, South Carolina20 mi north
- Screven County, Georgia22 mi southwest
- Bamberg County, South Carolina24 mi northeast
- Burke County, Georgia37 mi west
- Colleton County, South Carolina42 mi east
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