Irwin is a CDP located in Lancaster County, South Carolina. Irwin has a 2026 population of 1,892. Irwin is currently growing at a rate of 1.61% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The median household income in Irwin is $55,885 with a poverty rate of 26.1%. The median age in Irwin is 32 years: 29.5 years for males, and 43 years for females. For every 100 females there are 88.3 males.
Data after 2023 is projected based on recent change
Overall: 32 years
Female: 43 years
Male: 29.5 years
There are 1,587 adults, (263 of whom are seniors) in Irwin.
Female: 1,019 (53.1%)
Male: 900 (46.9%)
The racial composition of Irwin includes 49.77% White, 45.18% Black or African American, and smaller percentages for Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 955 | 49.77% |
| Black or African American | 867 | 45.18% |
| Two or more races | 89 | 4.64% |
| Native American | 8 | 0.42% |
Irwin 's average per capita income is $49,956. Household income levels show a median of $55,885. The poverty rate stands at 26.1%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $100,400 | - |
| Families | $80,188 | $84,025 |
| Households | $55,885 | $78,459 |
| Non Families | $49,312 | $54,142 |
Average Income
Median Household Income
Poverty Rate