Town · South Carolina
Allendale, South Carolina
Allendale, town, in Allendale County, South Carolina. Allendale had 2,427 residents on July 1, 2025 by the Census Bureau's estimate, down 10.0% since 2020; the 2020 Census counted 2,694 and the ACS 2020-2024 5-year estimates put it at 2,653 (±393). GEOID 4500955.
Residents, July 2025 estimate
2,427
Census Bureau estimate (no margin published)
2020 Census count: 2,694 · ACS 2020-2024: 2,653 ±393
Median household income
$23,529
±$8,477 (90% margin)
South Carolina: $69,324
Median home value
$86,500
±$24,173 (90% margin)
South Carolina: $259,000
Median gross rent
$568
±$266 (90% margin)
South Carolina: $1,180
Where is Allendale and what county is it in?
Allendale is a town in Allendale County, South Carolina. It covers 3.3 square miles of land, 814 residents per square mile in 2020.
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Allendale, and is it growing?
The Census Bureau estimates that 2,427 people lived in Allendale on July 1, 2025, down 10.0% since 2020, while South Carolina grew 8.8%. The 2020 Census counted 2,694 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 2,653 (±393).
| Measure | Allendale | Allendale County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 2,653 ±393 | 7,661 | no clear change |
| Households | 1,256 ±174 | 3,238 | no clear change |
| Average household size | 2.06 ±0.17 | 2.08 | no clear change |
| Housing units | 1,543 ±178 | 4,050 | no clear change |
Allendale's population since 2000
From 4,052 in 2000 to 2,427 in 2025: down 40.1%. The 2000, 2010 and 2020 figures are census counts, each for Allendale as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Allendale?
The median resident of Allendale is 39.4 years old; 26.2% are under 18 and 17.8% are 65 or older. The largest group is non-Hispanic Black residents at 62.9%, then Hispanic or Latino residents (of any race) at 19.6%.
| Measure | Allendale | Allendale County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 39.4 ±6.0 | 44.7 | no clear change |
| Under 18 years | 26.2% ±4.5 pts | 18.2% | – |
| 65 years and over | 17.8% ±4.5 pts | 22.4% | – |
| Male | 45.0% ±6.2 pts | 54.1% | – |
| Hispanic or Latino (any race) | 19.6% ±11.8 pts | 7.6% | – |
| White alone, not Hispanic | 16.8% ±5.4 pts | 22.8% | +8.2 pts |
| Black or African American alone, not Hispanic | 62.9% ±14.7 pts | 66.3% | −26.8 pts |
| Asian alone, not Hispanic | 0.0% ±1.7 pts | 0.2% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±1.7 pts | 0.8% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.4% ±0.7 pts | 0.1% | – |
| Two or more races, not Hispanic | 0.3% ±0.6 pts | 2.0% | – |
| Some other race alone, not Hispanic | 0.0% ±1.7 pts | 0.0% | – |
| Born outside the United States | 0.6% ±0.9 pts | 0.9% | – |
| Speak a language other than English at home (age 5+) | 0.7% ±0.9 pts | 3.7% | – |
| Civilian veterans (age 18+) | 4.4% ±2.7 pts | 5.3% | – |
| With a disability | 23.7% ±6.2 pts | 24.8% | – |
| No health insurance coverage | 14.4% ±6.1 pts | 12.1% | no clear change |
| High school graduate or higher (age 25+) | 86.1% ±6.5 pts | 79.5% | – |
| Bachelor's degree or higher (age 25+) | 20.1% ±8.0 pts | 14.3% | +11.6 pts |
| Graduate or professional degree (age 25+) | 13.1% ±6.9 pts | 7.9% | – |
| Lived in the same house a year earlier | 94.5% ±3.3 pts | 91.8% | – |
| Moved from another state in the past year | 0.0% ±1.7 pts | 1.5% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Allendale earn?
Half of Allendale's 1,256 households earn less than $23,529 a year (±$8,477), against $32,328 in Allendale County and $69,324 in South Carolina. In 2015-2019 it was $23,953 in 2024 dollars; the margins of error cannot tell the two periods apart. 45.1% of residents live below the poverty line.
| Measure | Allendale | Allendale County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $23,529 ±$8,477 | $32,328 | no clear change |
| Mean household income | $39,763 ±$8,968 | $58,513 | – |
| Per capita income | $17,670 ±$4,485 | $25,038 | no clear change |
| People below the poverty line | 45.1% ±12.1 pts | 28.2% | no clear change |
| Children under 18 below the poverty line | 44.5% ±26.3 pts | 27.0% | no clear change |
| Households receiving SNAP | 35.0% ±11.1 pts | 28.7% | – |
| Households with a computer | 80.8% ±7.2 pts | 78.2% | – |
| Households with a broadband subscription | 74.6% ±10.8 pts | 73.6% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Allendale?
Owners occupy 56.9% of Allendale's occupied homes and renters 43.1%. The median owner-occupied home is valued at $86,500 by its owner (±$24,173). The median renter pays $568 a month including utilities, and 47.1% of renters pay 35% or more of their income on rent.
| Measure | Allendale | Allendale County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $86,500 ±$24,173 | $76,200 | +$38,995 |
| Median gross rent | $568 ±$266 | $662 | no clear change |
| Renters paying 35% or more of income on rent | 47.1% ±23.2 pts | 35.3% | no clear change |
| Median monthly owner costs, with a mortgage | $1,507 ±$144 | $1,169 | – |
| Owner-occupied homes | 56.9% ±12.3 pts | 61.7% | no clear change |
| Renter-occupied homes | 43.1% ±12.3 pts | 38.3% | – |
| Housing units | 1,543 ±178 | 4,050 | no clear change |
| Homeowner vacancy rate | 2.3% ±3.8 pts | 1.9% | – |
| Rental vacancy rate | 6.2% ±7.2 pts | 3.7% | – |
| Single-family detached homes | 64.5% ±8.5 pts | 65.9% | – |
| Mobile homes | 20.5% ±7.6 pts | 22.8% | – |
| Built 2020 or later | 4.5% ±3.4 pts | 2.7% | – |
| Built 2010 to 2019 | 2.2% ±3.0 pts | 4.6% | – |
| Built 1939 or earlier | 5.6% ±4.5 pts | 5.4% | – |
| Households with no vehicle | 19.9% ±9.6 pts | 18.0% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Allendale building?
Builders took permits for 0 new housing units in Allendale in 2025 (0 in single-family houses), 0.0 per 1,000 residents against 8.2 across South Carolina.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Allendale work and get to work?
75.5% of Allendale's workers drive alone. The average trip to work takes 29.5 minutes.
| Measure | Allendale | Allendale County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 40.1% ±7.3 pts | 43.6% | – |
| Unemployment rate | 2.3% ±4.7 pts | 8.5% | – |
| Drove alone to work | 75.5% ±14.0 pts | 84.1% | – |
| Carpooled | 8.0% ±5.8 pts | 7.1% | – |
| Public transportation | 0.0% ±5.5 pts | 0.2% | – |
| Walked | 1.6% ±3.0 pts | 0.7% | – |
| Worked from home | 5.2% ±5.6 pts | 3.5% | – |
| Mean travel time to work | 29.5 min ±11.6 | 35.7 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What census tracts are in Allendale?
1 census tract lies mostly in Allendale, and 1 more reaches into it (2020 census blocks).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 9702.01Allendale County | 2,083 | $19,886 |
| Tract 9702.02Allendale County | 1,753 | $27,272 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Allendale) · Census block assignment files
How does Allendale compare with other places in South Carolina?
By the Census Bureau's July 2025 estimates, Allendale is the 6,999th-most populous of the 19,476 U.S. incorporated places that have one and the 103rd-most populous of 271 in South Carolina.
Allendale ranks 245th of 248 places in South Carolina with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 103rd | 271 |
| Growth 2020-2025 (PEP) | 147th | 149 |
| Residents per square mile | 162nd | 261 |
| Median household income | 245th | 248 |
| Per capita income | 246th | 259 |
| Median home value | 231st | 248 |
| Median gross rent | 229th | 235 |
| Poverty rate | 7th | 214 |
| Bachelor's degree or higher | 132nd | 226 |
| Median age | 126th | 261 |
| Owner-occupied share | 178th | 258 |
| Travel time to work | 47th | 261 |
Allendale's figures with every place in South Carolina (CSV)
Every place in South Carolina, sortable · Compare Allendale with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Allendale?
18 of the 57 figures for Allendale on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Allendale are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' public schools in Allendale.