Forreston is a village in Ogle County, Illinois, home to about 1,360 people across 0.9 square miles. Its ZIP code is 61030.
Homes sold for a median of $130 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 Forreston. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Chicago O'Hare International Airport (ORD)87 miles away |
|---|---|
| Closer regional airport | Chicago Rockford International Airport (RFD)25 miles away |
| Nearest city of 250,000+ | Madison, WI67 miles away |
| Nearest city of 1 million+ | Chicago, IL99 miles away |
Straight-line distances from the center of Forreston; 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.
Forreston had 1,435 residents in the 2020 census, down 2% since 2000.
It’s the 612th largest of 1,450 towns in Illinois by population.
Ogle County grew from 29,129 residents in 1900 to 51,788 in 2020.
Ogle County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 85°F in summer, and winter lows average 13°F. About 40.1 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Polo 5nw, IL weather station (6 miles away).
13,596 jobs at 1,053 businesses in Ogle County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
8 doctors and other health care providers list an office in Forreston.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Specialist doctors | 1 |
| Dentists | 3 |
| Mental health providers | 2 |
| 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.
Libraries (1 nearby)
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 Forrestville Valley CUSD 221. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| German Valley Grade SchoolForreston | Pre-K–K | 70 | Public | 8.5 mi |
| Forreston Grade SchoolForreston | 1–5 | 238 | Public | 0.3 mi |
| Forreston Jr/Sr High SchForreston | 6–12 | 406 | Public | 0.6 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.
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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.