Timberlane is a village in Boone County, Illinois, home to about 1,278 people across 1.8 square miles. It has no ZIP code of its own: it’s part of 61008, 61011 and 61065.
Homes sold for a median of $150 per square foot across 3 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.
Mostly Belvidere; part is in Timberlane
Mostly Loves Park; part is in Timberlane
Mostly Candlewick Lake; part is in Timberlane
Each card is that ZIP code’s whole market, including any part outside Timberlane. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Timberlane’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Timberlane well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Chicago O'Hare International Airport (ORD)54 miles away |
|---|---|
| Closer regional airport | Chicago Rockford International Airport (RFD)14 miles away |
| Nearest city of 250,000+ | Madison, WI61 miles away |
| Nearest city of 1 million+ | Chicago, IL69 miles away |
Straight-line distances from the center of Timberlane; 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.
Timberlane had 906 residents in the 2020 census, up 287% since 2000.
It’s the 631st largest of 1,450 towns in Illinois by population.
Boone County grew from 15,791 residents in 1900 to 53,448 in 2020.
Boone County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 84°F in summer, and winter lows average 13°F. About 37.7 inches of rain and melted snow fall in a typical year, with about 31 inches of snow.
Source: NOAA 1991–2020 climate normals, Marengo, IL weather station (13 miles away).
15,427 jobs at 890 businesses in Boone County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2022 (private employers; jobs counted where people work).
154 doctors and other health care providers list an office in Timberlane’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 29 |
|---|---|
| Specialist doctors | 5 |
| Dentists | 21 |
| Nurse practitioners and physician assistants | 23 |
| Mental health providers | 24 |
| Physical and occupational therapists | 38 |
| Optometrists | 2 |
| Chiropractors | 12 |
| Pharmacies | 8 |
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.
Grocery stores
Pharmacies
Libraries
Museums
Theaters and performance venues
Counts are within about 1 mile 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.
Public schools here are run by Belvidere CUSD 100, North Boone CUSD 200. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Caledonia Elem SchoolCaledonia | Pre-K–5 | 449 | Public | 4.2 mi |
| Lincoln Elem SchoolBelvidere | Pre-K–5 | 573 | Public | 2.9 mi |
| Meehan Elementary SchoolBelvidere | Pre-K–5 | 688 | Public | 4.8 mi |
| Perry Elem SchoolBelvidere | Pre-K–5 | 284 | Public | 3.5 mi |
| Washington AcademyBelvidere | Pre-K–5 | 721 | Public | 4.2 mi |
| Manchester Elem SchoolPoplar Grove | K–4 | 136 | Public | 9.4 mi |
| Poplar Grove Elem SchoolPoplar Grove | K–4 | 251 | Public | 4.5 mi |
| Seth Whitman Elem SchBelvidere | K–5 | 622 | Public | 1.8 mi |
| North Boone Upper Elem SchPoplar Grove | 5–6 | 192 | Public | 7.2 mi |
| Belvidere Central Middle SchoolBelvidere | 6–8 | 911 | Public | 2.0 mi |
| Belvidere South Middle SchoolBelvidere | 6–8 | 754 | Public | 4.7 mi |
| North Boone Middle SchoolPoplar Grove | 7–8 | 233 | Public | 7.2 mi |
| Belvidere High SchoolBelvidere | 9–12 | 1,167 | Public | 4.8 mi |
| Belvidere North High SchBelvidere | 9–12 | 1,354 | Public | 1.4 mi |
| Everest High SchoolBelvidere | 9–12 | — | Alternative Education | 4.6 mi |
| North Boone High SchoolPoplar Grove | 9–12 | 496 | Public | 7.4 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Immanuel Lutheran SchoolBelvidere | Pre-K–8 | 227 | Lutheran Church–Missouri Synod | 4.6 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Belvidere, Candlewick Lake, Poplar Grove, Loves Park, Machesney Park, Argyle and Caledonia.
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.