Allendale, South Carolina Demographics & Population 2026
During the 2020–2024 ACS period, Allendale, South Carolina had a total population of 2,653, the 161st largest town in South Carolina, with a median household income of $23,529, which is 66% lower than the state average. The poverty rate is 45.1%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 66% below the state average, indicating significant economic challenges.
- More than 1 in 4 residents live below the poverty line (45.1%), well above the national average of 12.4%.
- Near full employment with an unemployment rate of just 2.4%.
Allendale Quick Facts
How Allendale Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 2,595 | 2,653 | +2.2% |
| Median household income | $25,250 | $23,529 | -6.8% |
| Median home value | $65,300 | $86,500 | +32.5% |
How Allendale Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 55 | National average: 61
Education
Educational Attainment (Adults 25+)
Allendale Rankings in South Carolina
Explore South Carolina Rankings
Other Cities in Allendale County
Cities Similar to Allendale
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| East Gaffney | 2,824 | $25,227 | $77,600 | 10.5% | 33.8% |
| Kingstree | 3,132 | $26,322 | $177,000 | 18.9% | 33.9% |
| Loris | 2,645 | $36,899 | $214,300 | 16.9% | 23.0% |
| Denmark | 3,117 | $27,451 | $63,900 | 18.1% | 35.1% |
| McColl | 2,200 | $26,638 | $56,300 | 3.0% | 41.9% |
Population Overview
Allendale is a small community located in South Carolina, within Allendale County. The total population is 2,653. It ranks as the 161st most populous out of 474 Census-designated places in South Carolina.
Age Demographics
The median age in Allendale is 39.4 years. This is 2% lower than the state median of 40.2 years.
Economy, Income & Housing
The median household income in Allendale is $23,529. This is 66% lower than the state median of $69,324. It is also 71% lower than the national median of $80,734. The poverty rate stands at 45.1%. This is 221% higher than the state poverty rate of 14.1%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 2.4%. This is 52% lower than the state rate of 4.9%. The median home value is $86,500. Housing costs are 67% lower than the state median of $259,000. The home-value-to-income ratio is 3.7x. 56.9% of occupied housing units are owner-occupied. This homeownership rate is 21% lower than the state average of 71.9%.
Race & Ethnicity
The largest racial or ethnic group in Allendale is Black or African American, making up 62.9% of the population. Hispanic or Latino residents account for 19.6%. The White (non-Hispanic) population (16.8%) is well below the state average of 61.9%. The Black or African American population is significantly higher than the state average (62.9% vs 24.6%). The Hispanic or Latino population is significantly higher than the state average (19.6% vs 7.4%).
Education
20.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 37% lower than the state rate of 32.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 86.1%.
Data Sources & Methodology
All demographic data for Allendale, South Carolina is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against South Carolina state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 474 Census-designated places in South Carolina. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Allendale, South Carolina?
Allendale, South Carolina has a population of 2,653 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Allendale, SC?
The median household income in Allendale is $23,529, which is 71% lower than the national median of $80,734.
What is the poverty rate in Allendale, SC?
The poverty rate in Allendale is 45.1%. This means approximately 1,190 residents live below the federal poverty line.
What is the racial makeup of Allendale, South Carolina?
Allendale's population is 16.8% White, 62.9% Black, 19.6% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Allendale, SC?
The median home value in Allendale is $86,500. The home-value-to-income ratio is 3.7x.
How educated is Allendale, South Carolina?
20.1% of adults (25+) in Allendale hold a bachelor's degree or higher, and 13.1% hold a graduate or professional degree.