Mercer County, Illinois

Overview | Property Search | Featured Homes | Real Estate Information | Demographics

About Mercer County

Mercer County, IL exudes small-town charm and offers a variety of amenities. You can enjoy the area’s beautiful farmland, the wooded areas and various lakes and streams. It is located in Northwest Illinois along Illinois Routes 17 and 94 and U.S. 67. Each one of its eleven communities offers friendly atmospheres, low cost-of-living and easy access to larger cities.

Within Mercer County you will find music and fun cultural opportunities, including 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, such as the Mercer County Family YMCA. Each local town has its own charm, festivals and attractions.

If you’re ready to begin your home buying or selling journey, browse the latest real estate listings in Mercer County. You can also contact us, because with Ruhl&Ruhl Realtors You’re Never on Your Own!

Nearest Ruhl & Ruhl Office: Muscatine, IA
226 East 2^nd Street
Muscatine, IA 52761
(563) 441-1776

Property Search

Mercer Homes for Sale Search Form

Beds Any
Baths Any
More Search Options

Instant Listing Updates

Fill out the form below to receive listings that match your home search the moment they hit the market.

You’re about to save a search with 80 results.

New Account Existing User

Instantly

By checking this box, I agree to receive automated calls and text messages from . Message frequency varies. See our Terms & Privacy Policy for details.

I agree to the terms and conditions.

Instantly

By checking this box, I agree to receive automated calls and text messages from . Message frequency varies. See our Terms & Privacy Policy for details.

I agree to the terms and conditions.

Mercer Illinois Real Estate Market Information.

Find all the Mercer, Illinois home and real estate information you're looking for on Ruhl&Ruhl Realtors's Illinois real estate website, www.ruhlhomes.com. At www.ruhlhomes.com, you can search all Mercer homes for sale, view open houses, find real estate information, view all details of homes in Mercer, follow news and information on the Mercer real estate market, create an account to save your favorite home, communicate with a Mercer real estate agent, search homes and real estate by map, and more!

Ruhl&Ruhl Realtors has real estate agents that work throughout Mercer and surrounding Illinois real estate markets, and can help with all your Mercer real estate needs. Search our real estate agents and offices, submit questions on homes in Mercer, schedule a showing, or communicate with a real estate agent directly - all online!

We have built www.ruhlhomes.com to be the premier tool to help you find all Mercer home and real estate information, easily search homes for sale, and cater to all your real estate needs. Please let us know any way we can help you buy or sell your home, or assist in any of your Mercer real estate needs.

Mercer County Demographic Information NEW

Fips

Fips Code17131

Population

2020 to 2025 Changedown 3.0%

2010 Count16,434

2020 Count15,699

2025 Estimate (V2025)15,229

2020 Estimate (V2025)15,698

Age Distribution (Years Old)

0 to 45.0%

5 to 1721.6%

18 to 6452.6%

65 and Older20.8%

Gender

Male50.5%

Female49.5%

Place of Birth

Foreign1.1%

US98.9%

Education

High School Graduate, Age 25+93.9%

Bachelor's Degree or Higher, Age 25+20.9%

Computer and Internet use

Households with a computer92.9%

Households with a broadband Internet subscription90.5%

Language

English is Second Language, Age 5+2.8%

English is First Language, Age 5+97.2%

Veterans

Veterans1,029

Income

Per Capita Income$39,391

Median Household Income$74,182

People in Poverty9.1%

Commute

Average Work Commute Time29 minutes

Housing

Total Housing Units7,431

Households6,565

Average Household Size2.33

Owner-Occupied83.8%

Multi-Family9.3%

Owner-Occupied Median Value$146,700

Median selected monthly owner costs -with a mortgage$1,327

Median selected monthly owner costs -without a mortgage$562

Median gross rent$786

Building Permits

New Private Housing Issued 202416

Years at Residence

1 Year or More93.3%

Less Than 1 Year6.7%

Business and Employment

Private non-farm Establishments258

Private non-farm Employment2,200

Private non-farm Employment Growthdown 10.2%

Nonemployer Establishments873

Number of Firms248

Business Production

Value of Shipments$103,841,000

Wholesale Trade$0

Retail Trade$73,690,000

Retail Sales Per Capita$0

Accommodation and Food Services$7,592,000

Land

Land Area561.20 sq. miles

Population Per Square Mile30

Receive New Listing
Emails For Mercer

Other Illinois
Real Estate Markets

Let Us Help

Not finding what you are looking for?

Call or Text 1.563.441.1776

Let‘s Connect

Real estate agents ready to serve you | Browse homes and real estate for sale

Disclaimer: All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information on this site was last updated 04/19/2026. The listing information on this page last changed on 04/19/2026. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of Delta Media Group MLS (last updated Sun 04/19/2026 12:00:53 AM EST) or MRED MLS (last updated Sat 04/18/2026 11:57:50 PM EST) or SCWMLS (last updated Sat 04/18/2026 11:54:49 PM EST) or Rockford Board of Realtors (NWIAR) (last updated Sat 04/18/2026 10:15:21 PM EST) or Cedar Rapids MLS (last updated Sat 04/18/2026 10:44:13 PM EST) or NEIRBR MLS (last updated Sat 04/18/2026 11:58:41 PM EST) or ICAAR MLS (last updated Sat 04/18/2026 11:37:25 PM EST) or ECIMLS (last updated Sat 04/18/2026 11:44:13 PM EST) or RMLSA (last updated Sat 04/18/2026 11:50:56 PM EST) or Muscatine MLS (last updated Sat 04/18/2026 11:45:24 PM EST) or No Coast MLS (last updated Sat 04/18/2026 11:54:19 PM EST). Real estate listings held by brokerage firms other than Ruhl&Ruhl Realtors may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS. All rights reserved.
Privacy Policy / DMCA Notice / ADA Accessibility

Sitemap

Mercer County, Illinois

About Mercer County

Property Search

Mercer Search Results

Instant Listing Updates

Sign up to Save this Listing

Mercer Illinois Real Estate Market Information.

Mercer County Demographic Information NEW

Receive New ListingEmails For Mercer

Other IllinoisReal Estate Markets

Let Us Help

Not finding what you are looking for?

Ruhl&Ruhl Realtors

Login to My Homefinder

We have detected that you have cookies disabled.

Receive New Listing
Emails For Mercer

Other Illinois
Real Estate Markets