Mercer County, Illinois

Homes for Sale in Mercer County, IL

Avg. Home Price: $170K

Find homes for sale in Mercer County, Illinois and learn about the local community and real estate market.

Mercer County exudes small-town charm and offers a variety of amenities. You can enjoy the area’s beautiful farmland, the wooded areas and the various lakes and streams. Mercer County is located in northwestern Illinois along Illinois Routes 17 & 94 and US 67. Each one of its 11 communities offers friendly atmospheres, low cost-of-living and easy access to larger cities. Continue browsing this page to see all houses for sale in Mercer County, IL and if you need to do a little more research before buying, check out the information below.

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In the local towns, you will find music and fun cultural opportunities, for example, the annual Mercer County Fair, New Windsor Rodeo, Rhubarb Festival and more. In addition, the county has three golf courses, three museums, a collection of charming event venues and dozens of parks and recreation facilities, including the Mercer County Family YMCA.

Each local community has its own charm, festivals and attractions. Learn more below about real estate trends in Mercer County and homes for sale.

Mercer County Communities


Aledo looks much like it did at the turn of the 20th century. You can stroll down Main Street or visit its historic residential neighborhoods. Aledo is the Mercer County seat and has a population in excess of 15,000.


Eliza is located in northwest Mercer County. This town offers immediate river access and a picturesque view of Bay Island.


Joy stands at one of Mercer County’s highest points and is home to Boon Docks, one of Mercer County’s most popular restaurants.


Located on the “Mighty Mississippi”, Keithsburg offers opportunities to reconnect with nature through fishing, boating and camping. Big River State Forest lies just four miles south of Keithsburg.


Matherville is just 20 miles from Rock Island, and the town hosts the Mercer County’s largest July 4th fireworks display. Lake Matherville offers boating or fishing.

New Boston

New Boston was surveyed by Abraham Lincoln in 1834. You can access the river directly in New Boston through Lock and Dam #17. The town offers many options for outdoor enthusiasts who enjoy boating, fishing or camping.

New Windsor

The Village of New Windsor is known for cowboys, broncs and saddles. It is a strong rural community located on the eastern edge of Mercer County.

North Henderson

North Henderson is a quaint farming village known for its ball diamonds and annual livestock show. Residents enjoy a quiet, country lifestyle.


Preemption is nestled on US 67. It is located close to the Quad Cities, which makes it an easy commute for residents.


Seaton’s quaint downtown includes a post office, café and fire station. A local grassroots organization, SPARKS, just constructed a new, state-of-the-art park and playground.


Sherrard is a popular bedroom community of the Quad Cities. The village is home to the Fyre Lake community, which includes a Jack Nicklaus-designed golf course, tennis courts and recreational lakes.


Viola is located at the true ‘crossroads’ of Mercer County. Intersected by US Highway 67 and State Highway 17, Viola provides easy transportation access and a high quality of life.


Special thanks to Mercer County Better Together for information on Mercer County.

Nearest Ruhl&Ruhl Office
226 E. 2nd Street
Muscatine, IA 52761
Phone Number: (563) 441-1776

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