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Allendale County, SC
4 cities and towns and 5 ZIP codes in Allendale County, South Carolina.
Population
7,661
Land area
408sq mi
People per sq mi
19
ZIP codes
5
Cities and towns in Allendale County
Allendale County at a glance
- Allendale County is 89% less dense than South Carolina as a whole.
- The median household income is $32,328, 53% below the South Carolina median of $69,324.
- A typical owner-occupied home is valued at $76,200 (71% below South Carolina) and median rent is $662 a month.
- Its largest cities are Allendale (2,653), Fairfax (1,935) and Ulmer (190).
Local data for Allendale County, SC
Counts from official public data
- Hospitals1
- Emergency Rooms1
- Nursing Homes1
- Schools4
- Colleges1
- Libraries1
- Banks3
- Post Offices5
- Parks1
- Grocery Stores6
- Restaurants11
- Affordable Housing4
- Dialysis Centers1
- Community Health Centers1
- Mental Health & Addiction Treatment1
- Community Colleges & Trade Schools1
- Superfund Sites1
- Toxic Release Facilities3
- Historic Places8
Housing and community stats
Allendale County, SC, American Community Survey 2020-2024
Median household income
$32,328
Poverty rate
28.2%
Median home value
$76,200
Median rent
$662/mo
Homeownership
61.7%
Bachelor's or higher
14.3%
Median age
44.7
Average commute
35.7 min
Largest reported origins and ancestries: Mexican Americans (448), Filipino Americans (295), Irish Americans (281).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
6.0%
Sep 2026, -0.1 pts in a year
Average annual pay
$57,254
2,504 jobs, 2025
Income per person
$48,320
BEA, 2024
Federal spending
$61.5M
FY 2026, $7,652 per person
PPP loans
$12.9M
293 loans, 1,506 jobs reported
Campaign donations
$16.8K
Itemized, 2026 cycle
How people get to work
Allendale County, SC, workers 16 and older. American Community Survey 5-year estimates
- Drove alone84.1%
- Carpooled7.1%
- Public transit0.2%
- Walked0.7%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other4.4%
- Worked from home3.5%
Average one-way commute: 35.7 minutes for people who do not work from home.
Environment and hazard risk
Allendale County, SC, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: hurricane
Storm events since 1996
300
Most often thunderstorm wind
Flood insurance policies
5
0.1% of homes, county
July high / Jan low
92° / 33°F
48.8 inches of rain a year
Hazards, floods and storm historyCheck a flood zone8 historic places
Health statistics
Share of adults in Allendale County, SC, CDC PLACES estimates
Obesity
46.7%
U.S. 33.3% +13.4 pts
Diabetes
21.6%
U.S. 12.1% +9.5 pts
Smoking
19.0%
U.S. 12.8% +6.2 pts
Uninsured (18-64)
17.6%
U.S. 11.1% +6.5 pts
Cities, towns and ZIP codes in Allendale County
Population shown
Frequently asked questions
- What is the largest city in Allendale County, SC?
- Allendale is the largest city or town in Allendale County, with about 2,653 residents.
- How many ZIP codes are in Allendale County?
- Allendale County includes 5 ZIP Code Tabulation Areas, including 29810, 29827, 29836, 29849, 29932.
- What is the population of Allendale County, SC?
- About 7,661 people live in Allendale County, based on American Community Survey 5-year estimates.
- What counties border Allendale County?
- Allendale County borders Colleton County, Burke County, GA, Barnwell County, Hampton County, Screven County, GA, Bamberg County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023