Irwin, SC · Census-designated place

Irwin, South Carolina houses and real estate market data.

Houses in Irwin, SC (Lancaster County) — market data for Irwin houses and the whole local market.

Census-designated place · Census GEOID 4535980

I'm buying in Irwin → I'm selling / what's my home worth? →
554 Keys Blvd Clearlake Oaks CA Lake Home For Sale Canal View
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$374,999 • 3 Beds • 2 Baths • 1,204 Sq Ft
554 Keys, Clearlake Oaks, CA 95423
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*Listed by Scott Brown, EXP Realty, DRE #01956840. Inquiries delivered directly to listing agent. Search.USAHouses.com*
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Call/Text (707) 474-8855
👉 Click Anywhere on Ad for More Info / Listing Page

Irwin, SC is a Census-designated place in Lancaster County, South Carolina — this guide covers houses in Irwin and the whole local market: resale homes, condos, land, and new construction.

Info from government sites and builders may have provided source info.

Open map pin ↗ · 34.693897, -80.822318

At a glance

Irwin market snapshot

Place type

Census-designated place

County

Lancaster County

Map pin

34.693897, -80.822318

Census GEOID

4535980

Land area

2.99 sq mi

Market data compiled from public sources; deemed reliable but not guaranteed; verify independently. See About

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Why Irwin

What makes Irwin different

Census-designated place

The U.S. Census Bureau lists Irwin as a Census-designated place in Lancaster County, South Carolina — a settled community that is not an incorporated city, town, or village. This page uses the same /south-carolina/irwin/ guide pattern as incorporated places.

Nearby

Places around Irwin

County guide: Lancaster County — cities, market context, and local resources for the county that includes Irwin.

USAHouses.com also publishes Census place pages for other communities in the same county as Irwin.

Nearby communities include Springdale, Lancaster, Elgin, Unity, Heath Springs, Van Wyck, Buford, Tradesville, Kershaw.

Adjacent-county Census places with USAHouses.com pages: Fort Lawn (~4.4 mi), Great Falls (~9.6 mi), Catawba (~11.0 mi), Richburg (~11.3 mi), Lesslie (~15.0 mi), Rock Hill (~20.2 mi), Eureka Mill (~21.1 mi), Abney Crossroads (~22.0 mi), Chester (~22.2 mi), Fort Mill (~22.6 mi), Gayle Mill (~23.7 mi), Riverview (~24.1 mi), Baxter Village (~24.7 mi), Lowrys (~24.8 mi), India Hook (~25.0 mi), Jefferson (~25.1 mi).

Census & home facts

Irwin data from published sources

County FHFA annual change (2025)

1.6%

County median listing price (FRED/Realtor.com) (2026-06-01)

$439,295

Census place type

CDP

County

Lancaster County

Land area (Census Gazetteer 2024)

2.99 sq mi

Census GEOID

4535980

Census ACS, FHFA, and FRED figures are labeled with the year present in existing CSVs. Subject to change / confirm locally.

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Common questions

Irwin FAQ

What kind of place is Irwin, SC?

The U.S. Census Bureau lists Irwin as a Census-designated place in Lancaster County, South Carolina — a settled community that is not an incorporated city, town, or village.

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New-home communities in Irwin, South Carolina

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