Clay County, Illinois, Real Estate

Clay County, in southeastern Illinois, sits within commuting distance of larger employment centers in Effingham and Olney while offering residents access to local schools in the Clay City and North Clay districts. The area provides outdoor recreation through nearby Newton Lake State Fish and Wildlife Area and the Embarras River for fishing and boating. Proximity to regional healthcare facilities and agricultural and manufacturing jobs supports daily needs without requiring long travel.

Location

State Illinois

Averages

Taxes $1,703

House $115,367

Townhouse –

Condo $144,000

Homes for Sale

Clay County currently has 12 single family homes for sale with an average list price of $115,366.67, 1 condo for sale with a list price of $144,000, and 17 lots for sale with an average list price of $133,459.59. There are 4 foreclosures for sale. The average annual property tax for Clay County is $1,703.12.

Want to know the moment a new home goes up for sale in Clay? Get Notified

Homes 12 for sale $43,900–$255,000

Condos 1 for sale $144,000

Townhouses 0 for sale

Multi-unit 0 for sale

Lots/Land 17 for sale $7,900–$755,000

Manufactured 0 for sale

Short Sales 0 for sale

Foreclosures 4 for sale $43,900–$120,000

New Construction 0 for sale

Cities

Clay City

Clay City, Illinois, is a small village in Clay County with a population of around 817 as of 2025, known for its quiet, suburban-rural charm and conservative community. Named after Kentucky statesman Henry Clay, the village was established in 1855 near the O&M Railroad, evolving into a trading hub for local farmers. Located near the Little Wabash River, it has a rich history tied to early settlers like Solomon Harter Mueller, who built a farm and mill in the early 1800s, and later thrived with the discovery of oil in 1936, which continues to support local businesses. ... Read more