Allendale Flag

Allendale

County Seat:
Yes
Area (mi²):
3.31

Allendale is a town located in Allendale County, South Carolina. Allendale has a 2026 population of 2,403. It is also the county seat of Allendale County. Allendale is currently declining at a rate of -1.88% annually and its population has decreased by -10.37% since the most recent census, which recorded a population of 2,681 in 2020.

The median household income in Allendale is $23,529 with a poverty rate of 45.11%. The median age in Allendale is 39.4 years: 35.9 years for males, and 39.7 years for females. For every 100 females there are 82.0 males.

2.4K
Total Population
726
Density (mi²)
-46 -1.88%
Growth

Allendale Population

Allendale Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20262,403-46-1.88%
20252,449-47-1.88%
20242,496-22-0.87%
20232,51830.12%
20222,515-113-4.3%
20212,628-70-2.59%
20202,681-222-7.65%
20192,903-78-2.62%
20182,981-47-1.55%
20173,028-10-0.33%
20163,038-72-2.32%
20153,110-76-2.39%
20143,186-62-1.91%
20133,248-62-1.87%
20123,310-95-2.79%
20113,405-50-1.45%
20103,455-27-0.78%
20004,052-358-8.12%
19904,410100.23%
19804,40078021.55%
19703,62050616.25%
19603,11400%

Median Age

Overall: 39.4 years
Female: 39.7 years
Male: 35.9 years

Allendale Adults

There are 1,957 adults, (473 of whom are seniors) in Allendale.

Sex Ratio

Female: 1,458 (55%)
Male: 1,195 (45%)

Demographics

The racial composition of Allendale includes 62.91% Black or African American, 21.15% White, 11.12% Asian, 4.11% other race, and smaller percentages for Native Hawaiian or Pacific Islander, Two or more races and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
Black or African American1,66962.91%
White56121.15%
Asian29511.12%
Other race1094.11%
Native Hawaiian or Pacific Islander100.38%
Two or more races90.34%
Race
Population ↓
Percentage (of total)
Asian29511.12%
White1164.37%
Other race1094.11%
Race
Population ↓
Percentage (of total)
Black or African American1,66962.91%
White44516.77%
Native Hawaiian or Pacific Islander100.38%
Two or more races90.34%

Allendale Marital Status

Economics and Income Statistics

Allendale 's average per capita income is $27,824. Household income levels show a median of $23,529. The poverty rate stands at 45.11%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$110,800-
Families$29,167$52,391
Households$23,529$39,763
Non Families$18,839$25,688

$27,824

Average Income

$23,529

Median Household Income

45.11%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)