Byron is a city in Ogle County, Illinois, home to about 3,743 people across 4.7 square miles. Its ZIP code is 61010.
Homes sold for a median of $147 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 Byron. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Byron’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Chicago O'Hare International Airport (ORD)71 miles away |
|---|---|
| Closer regional airport | Chicago Rockford International Airport (RFD)10 miles away |
| Nearest city of 250,000+ | Madison, WI67 miles away |
| Nearest city of 1 million+ | Chicago, IL84 miles away |
Straight-line distances from the center of Byron; 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.
Byron had 3,784 residents in the 2020 census, up 30% since 2000.
It’s the 394th 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 84°F in summer, and winter lows average 15°F. About 37.2 inches of rain and melted snow fall in a typical year, with about 37 inches of snow.
Source: NOAA 1991–2020 climate normals, Rockford Gtr Rockford Ap, IL weather station (10 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).
28 doctors and other health care providers list an office in Byron.
Nearest hospitals
Providers with an office here
| Primary care doctors | 6 |
|---|---|
| Specialist doctors | 1 |
| Dentists | 2 |
| Nurse practitioners and physician assistants | 2 |
| Mental health providers | 3 |
| Physical and occupational therapists | 8 |
| Optometrists | 2 |
| Chiropractors | 4 |
| Pharmacies | 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 (2 nearby)
Grocery stores (2 nearby)
Pharmacies (1 nearby)
Libraries (1 nearby)
Museums (2 nearby)
Theaters and performance venues (1 nearby)
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 1835.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Byron CUSD 226, Ogle Co Education Cooperative. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Mary Morgan Elem SchByron | Pre-K–5 | 631 | Public | <0.1 mi |
| Byron Middle SchoolByron | 6–8 | 366 | Public | 0.3 mi |
| Byron High School 9-12Byron | 9–12 | 464 | Public | 0.1 mi |
| OCEC Life SkillsByron | — | — | Special Education | 0.2 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.