Irwin Flag

Irwin

County Seat:
No
Area (mi²):
2.985

Irwin is a CDP located in Lancaster County, South Carolina. Irwin has a 2025 population of 1,984 . Irwin is currently growing at a rate of 2.01% annually and its population has increased by 51.68% since the most recent census, which recorded a population of 1,308 in 2020.

The average household income in Irwin is $69,332 with a poverty rate of 35.49%. The median age in Irwin is 39.6 years: 39.2 years for males, and 40.4 years for females. For every 100 females there are 80.5 males.

2K
Total Population
665
Density (mi²)
39 2.01%
Growth

Irwin Population

Irwin Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Irwin includes 56.02% White, 35.54% Black or African American, and smaller percentages for Native American and multiracial populations.

Population by Race

White (56.02%)

Black or African American (35.54%)

Two or more races (6.77%)

Native American (1.67%)

Race
Population
Percentage (of total)
White1,00956.02%
Black or African American64035.54%
Two or more races1226.77%
Native American301.67%

Irwin Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Irwin's average per capita income is $46,649. Household income levels show a median of $53,795. The poverty rate stands at 35.49%.

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$96,404-
Families$63,259$73,409
Households$53,795$69,332
Non Families$46,389$40,784

$46,649

Average Income

$53,795

Median Household Income

35.49%

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)