Coal Valley is a village in Rock Island County, Illinois, home to about 4,229 people across 3.1 square miles. Its ZIP code is 61240.
Homes sold for a median of $140 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Coal Valley. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Coal Valley’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Coal Valley well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Chicago O'Hare International Airport (ORD)137 miles away |
|---|---|
| Closer regional airport | Quad City International Airport (MLI)2 miles away |
| Nearest city of 250,000+ | Madison, WI126 miles away |
| Nearest city of 1 million+ | Chicago, IL146 miles away |
Straight-line distances from the center of Coal Valley; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Coal Valley had 3,873 residents in the 2020 census, up 7% since 2000.
It’s the 367th largest of 1,450 towns in Illinois by population.
Rock Island County grew from 55,249 residents in 1900 to 144,672 in 2020.
Rock Island County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 86°F in summer, and winter lows average 15°F. About 38.2 inches of rain and melted snow fall in a typical year, with about 36 inches of snow.
Source: NOAA 1991–2020 climate normals, Moline Quad City Intl Ap, IL weather station (4 miles away).
64,307 jobs at 2,992 businesses in Rock Island County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
15 doctors and other health care providers list an office in Coal Valley.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Specialist doctors | 1 |
| Dentists | 1 |
| Nurse practitioners and physician assistants | 2 |
| Mental health providers | 2 |
| Physical and occupational therapists | 7 |
| Chiropractors | 1 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (3 nearby)
Grocery stores (1 nearby)
Pharmacies
Libraries (2 nearby)
Theaters and performance venues
Counts are within about 1.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1876.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Moline-Coal Valley CUSD 40. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Bicentennial Elem SchoolCoal Valley | K–5 | 328 | Public | 0.5 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
Buying or selling around Coal Valley? Tell us what you need and when. No agents advertise here yet, so we’ll keep your request for up to 30 days and send it to local agents who join. No obligation, and you choose who to work with.
Loading map…
Shares ZIP codes with Moline.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.