The Town Files

Irwin, South Carolina

Community in Lancaster County · population 1,321 (2020 Census)

Map: where Irwin is in South CarolinaIrwin
Median home
$176,900
Household income
$55,885
Jan low / Jul high
33° / 91°
Snow a year
1 in
Tornadoes ≤10 mi since 1950
11
Median age
32.0

Irwin is a community of 1,321 people in Lancaster County, South Carolina. The median home is worth $176,900, close to the typical South Carolina town ($183,100). It ranks more walkable than 81% of South Carolina towns, better for first-time buyers than 78% of South Carolina towns.

How Irwin ranks

Percentile among South Carolina towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of South Carolina towns.

Irwin lifestyle rankings vs other South Carolina townsRetirement5th pctFamilies35th pctQuiet21st pctWalkability81st pctFirst-time buyers78th pctYoung professionals33rd pctVibrancy67th pctHip & trendy34th pctCollege town26th pctUpscale4th pctVacation homesbottomSeaside characterbottomCyclingbottomTransitbottomDriving37th pcttypical
The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025).

Homes and cost of living

The median home in Irwin is worth $176,900, close to the typical South Carolina town ($183,100). Homes cost about 3.2 times the median household income of $55,885, which is more affordable than 60% of South Carolina towns. Median rent is $818 a month. 95.7% of households own their home.

Irwin vs Lancaster County vs typical South Carolina townIrwinLancaster CountyTypical South Carolina townHome value$176,900$329,900$183,100Household income$55,885$78,869$53,875Monthly rent$818$959$937
Census ACS 5-year estimates, 2020–2024. "Typical town" = median of South Carolina towns with 500+ people.
HousingIrwinTypical South Carolina town
Median home value$176,900$183,100
Median rent$818$937
Median household income$55,885$53,875
Home value ÷ income3.2×3.4×
Homeownership95.7%68.0%
Median year built19641981
Seasonal / vacation homes0.0%—

Who lives in Irwin

PeopleIrwinTypical South Carolina town
Median age32.040.0
Age 65 and over13.7%17.9%
Under 1817.3%—
Bachelor's degree or higher12.4%20.0%
Below the poverty line26.1%17.8%
Veterans10.4%—
Born outside the U.S.0.9%—
Work from home6.6%6.8%
Average commute20.2 min25.3 min
Homes with broadband76.1%87.8%

Weather in Irwin

July highs average 90.7°F and January lows 32.6°F. About 42.6 inches of rain and melted snow fall a year, with 1.3 inches of snow (typical South Carolina town: 0.8 in). Expect about 56 days a year at 90°F or hotter and 51 nights at or below freezing.

Irwin monthly temperatures and precipitation30°40°50°60°70°80°90°100°32° freezing54°33°Jan58°35°Feb66°42°Mar75°50°Apr81°59°May88°67°Jun91°70°Jul89°69°Aug84°63°Sep74°51°Oct64°41°Nov56°35°DecPrecipitation (in) · snow (in) in blue3.60.53.10.53.90.13.73.54.13.63.73.62.93.33.60.2
NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the Winthrop Univ station (20.7 mi away); snowfall estimated from the 2 nearest snow stations, weighted by distance.

Tornadoes, storms and disasters

11 tornadoes have passed within 10 miles of Irwin since 1950, compared with 17 for the typical South Carolina town. 1 rated (E)F2 or stronger. The strongest, an EF2, struck on May 5, 2020 about 9.8 miles from the town center. The most recent was on May 5, 2020.

Tornadoes within 10 miles of Irwin by decade21950s11960s01970s11980s11990s32000s12010s22020s
NOAA Storm Events Database, tornado tracks (start to end point) passing within 10 miles of the town center, 1950–2026.

Hail of 1 inch or larger has been reported within 10 miles 50 times; the largest was 2.75 inches on September 8, 1998.

Severe weather in Lancaster County since 1996

Storm events in Lancaster County since 1996 by typeHail125Flood7Tornado6Lightning6Heavy Snow3Flash Flood64Strong Wind11Funnel Cloud2
NOAA Storm Events Database, Lancaster County, 1996–2026 (all event types recorded since 1996). 2 deaths recorded.

Lancaster County has been included in 24 federal disaster or emergency declarations since 1953, most often for flood, drought, hurricane.

DeclaredIncidentDeclaration
January 23, 2026Winter StormEM-3632: Severe Winter Storm
September 29, 2024HurricaneDR-4829: Hurricane Helene
September 26, 2024Tropical StormEM-3619: Hurricane Helene
August 5, 2024Tropical StormEM-3606: Hurricane Debby
August 31, 2023HurricaneEM-3597: Hurricane Idalia

Jobs and pay in Lancaster County

Lancaster County had 28,110 jobs in 2024, paying an average of $64,550 a year. Unemployment was 3.3% in 2023; in Irwin itself the ACS puts it at 10.7%.

Largest industries in Lancaster CountyRetail3,625 jobs · $32,489Health care & social assistan…3,168 jobs · $68,263Manufacturing2,784 jobs · $64,316Professional & technical serv…2,259 jobs · $108,252Hotels & restaurants2,235 jobs · $21,511Administrative & support1,609 jobs · $42,017
BLS Quarterly Census of Employment and Wages, 2024, private-sector jobs and average annual pay.
Unemployment rate in Lancaster County, 2000–20230%4%8%12%16%2000200420082012201620202023Lancaster 3.3%
Annual average unemployment rate (BLS Local Area Unemployment Statistics via USDA ERS).

Towns near Irwin

Irwin questions

Is Irwin, South Carolina a good place to retire?

On The Town Files lifestyle rankings, Irwin scores better for retirees than 5% of South Carolina towns and quieter than 21%. 13.7% of residents are 65 or older (median age 32.0).

How much does a house cost in Irwin?

The median owner-occupied home in Irwin is valued at $176,900 (Census ACS 2020–2024), against a median household income of $55,885, so homes cost about 3.2 times income. Median rent is $818 a month.

What is the weather like in Irwin?

July highs average 90.7°F and January lows 32.6°F (NOAA 1991–2020 normals). It gets about 42.6 inches of precipitation a year and 1.3 inches of snow.

Does Irwin get tornadoes?

11 tornadoes have passed within 10 miles of Irwin since 1950 (NOAA Storm Events); the strongest was an EF2 on May 5, 2020. The typical South Carolina town has had 17.

How this page is made. Every number comes from public data, matched to Irwin's Census boundary (GEOID 4535980). Comparisons use the median of South Carolina towns with at least 500 people. Weather comes from the nearest NOAA normals station; storm counts use NOAA tornado tracks within 10 miles of the town center. Data snapshot 2026-11-13.