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Irwin, SC
Census-designated place in Lancaster County, South Carolina.
Population
1,919
Land area
3sq mi
People per sq mi
643
ZIP codes
0
Irwin and its ZIP codes
Irwin at a glance
- Irwin is about 3.6 times as dense as South Carolina as a whole.
- The median household income is $55,885, 19% below the South Carolina median of $69,324.
- A typical owner-occupied home is valued at $176,900 (32% below South Carolina) and median rent is $818 a month.
Housing and community stats
Irwin, SC, American Community Survey 2020-2024
Median household income
$55,885
Poverty rate
26.1%
Median home value
$176,900
Median rent
$818/mo
Homeownership
95.7%
Bachelor's or higher
12.4%
Median age
32.0
Average commute
20.2 min
Largest reported origins and ancestries: German Americans (116), Irish Americans (76), Scottish Americans (48).
Economy and federal money
Jobs, pay, income and spending are for Lancaster County. PPP loans are for Irwin.
Unemployment rate
4.5%
Aug 2026, -0.8 pts in a year
Average annual pay
$67,083
29,090 jobs, 2025
Income per person
$61,082
BEA, 2024
Federal spending
$725M
FY 2026, $7,550 per person
How people get to work
Irwin, SC, workers 16 and older. American Community Survey 5-year estimates
- Drove alone91.2%
- Carpooled2.2%
- Public transit0.0%
- Walked0.0%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other0.0%
- Worked from home6.6%
Average one-way commute: 20.2 minutes for people who do not work from home.
Environment and hazard risk
Irwin, SC, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: ice storm
Storm events since 1996
492
Countywide, mostly thunderstorm wind
Flood insurance policies
155
0.4% of homes, county
July high / Jan low
91° / 33°F
42.6 inches of rain a year
Health statistics
Share of adults in Irwin, SC, CDC PLACES estimates
Obesity
44.9%
U.S. 33.3% +11.6 pts
Diabetes
19.5%
U.S. 12.1% +7.4 pts
Smoking
21.9%
U.S. 12.8% +9.1 pts
Uninsured (18-64)
18.9%
U.S. 11.1% +7.8 pts
Cities near Irwin
| Name | Distance | Land area (sq mi) |
|---|---|---|
| SpringdaleCensus-designated place | 2.3 mi | 4.2 |
| LancasterCity | 3.1 mi | 7.2 |
| Fort LawnTown | 4.6 mi | 1.4 |
| ElginCensus-designated place | 5.5 mi | 4.9 |
| Great FallsTown | 9.4 mi | 4.2 |
| UnityCensus-designated place | 10 mi | 2.1 |
| Van WyckTown | 10 mi | 10.4 |
| Heath SpringsTown | 11 mi | 1.6 |
| RichburgTown | 11 mi | 0.9 |
| CatawbaCensus-designated place | 11 mi | 10 |
| BufordCensus-designated place | 12 mi | 2.3 |
| JAARS, NCCensus-designated place | 12 mi | 0.9 |
| LesslieCensus-designated place | 15 mi | 6.1 |
| TradesvilleCensus-designated place | 16 mi | 2 |
| KershawTown | 17 mi | 2 |
| Waxhaw, NCTown | 17 mi | 12.2 |
Frequently asked questions
- What county is Irwin, SC in?
- Irwin is in Lancaster County, South Carolina.
- What is the population of Irwin, SC?
- About 1,919 people live in Irwin, based on American Community Survey 5-year estimates.
- What cities are near Irwin?
- Nearby places include Springdale (2.3 mi), Lancaster (3.1 mi), Fort Lawn (4.6 mi), Elgin (5.5 mi), Great Falls (9.4 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023