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Advertise here →South Ilion, NY · Census-designated place
South Ilion, New York houses and real estate market data.
Houses in South Ilion, NY (Herkimer County) — market data for South Ilion houses and the whole local market.
Census-designated place · Census GEOID 3669265
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South Ilion, NY is a Census-designated place in Herkimer County, New York — this guide covers houses in South Ilion 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 ↗ · 42.993863, -75.055038
At a glance
South Ilion market snapshot
Place type
Census-designated place
County
Herkimer County
Map pin
42.993863, -75.055038
Census GEOID
3669265
Land area
0.44 sq mi
Market data compiled from public sources; deemed reliable but not guaranteed; verify independently. See About
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What makes South Ilion different
Census-designated place
The U.S. Census Bureau lists South Ilion as a Census-designated place in Herkimer County, New York — a settled community that is not an incorporated city, town, or village. This page uses the same /new-york/south-ilion/ guide pattern as incorporated places.
Nearby
Places around South Ilion
County guide: Herkimer County — cities, market context, and local resources for the county that includes South Ilion.
USAHouses.com also publishes Census place pages for other communities in the same county as South Ilion.
Nearby communities include Ilion, East Frankfort, Mohawk, Frankfort, Herkimer, East Herkimer, West Winfield, Little Falls, Middleville, Newport, Poland, Cold Brook, Salisbury Center, Thendara, Old Forge, Eagle Bay.
Ilion market data
Nearby city · ~1.4 mi
East Frankfort market data
Nearby city · ~1.7 mi
Mohawk market data
Nearby city · ~2.6 mi
Frankfort market data
Nearby city · ~3.1 mi
Herkimer market data
Nearby city · ~3.9 mi
East Herkimer market data
Nearby city · ~5.3 mi
West Winfield market data
Nearby city · ~10.3 mi
Little Falls market data
Nearby city · ~10.6 mi
Middleville market data
Nearby city · ~10.9 mi
Newport market data
Nearby city · ~13.5 mi
Poland market data
Nearby city · ~16.0 mi
Cold Brook market data
Nearby city · ~17.0 mi
Salisbury Center market data
Nearby city · ~17.4 mi
Thendara market data
Nearby city · ~49.1 mi
Old Forge market data
Nearby city · ~49.4 mi
Eagle Bay market data
Nearby city · ~54.9 mi
Adjacent-county Census places with USAHouses.com pages: Clayville (~9.9 mi), Utica (~11.2 mi), Chadwicks (~11.2 mi), Washington Mills (~12.0 mi), Bridgewater (~12.7 mi), New Hartford (~12.9 mi), Yorkville (~13.8 mi), Marcy (~13.9 mi), New York Mills (~14.1 mi), Whitesboro (~15.2 mi), Dolgeville (~15.9 mi), Clinton (~16.8 mi), Waterville (~17.0 mi), Clark Mills (~17.4 mi), Oriskany (~18.0 mi), Hamilton College (~18.3 mi).
Census & home facts
South Ilion data from published sources
County FHFA annual change (2025)
5.05%
County median listing price (FRED/Realtor.com) (2026-06-01)
$239,450
Census place type
CDP
County
Herkimer County
Land area (Census Gazetteer 2024)
0.44 sq mi
Census GEOID
3669265
Census ACS, FHFA, and FRED figures are labeled with the year present in existing CSVs. Subject to change / confirm locally.
NewUSAHouses.com communities
Closest verified new-home communities near South Ilion
Availability and pricing are controlled by the builder and may change; confirm with the builder.
Adirondack Ridge ↗
Champion Homes · Utica, New York · ~11.2 mi
Woodland Manor ↗
Champion Homes · West Monroe, New York · ~56.4 mi
Umh Sales Finance Inc ↗
Champion Homes · Greenfield, New York · ~60.5 mi
Dr Village ↗
Champion Homes · Clifton Park, New York · ~63.0 mi
Country Estates ↗
Champion Homes · South Cairo, New York · ~75.1 mi
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Common questions
South Ilion FAQ
What kind of place is South Ilion, NY?
The U.S. Census Bureau lists South Ilion as a Census-designated place in Herkimer County, New York — a settled community that is not an incorporated city, town, or village.
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