Ogle County
Also known as Ogle County, Illinois, Ogle County, IL
county in Illinois, United States
Key facts
- Country
- United States
- State
- Illinois
- Founded
- January 16, 1836
- Named after
- Joseph Ogle
- Seat
- Oregon
- Largest city
- Rochelle
- Total
- 763 sq mi (1,980 km )
- Land
- 759 sq mi (1,970 km )
- Water
- 4.4 sq mi (11 km ) 0.6%
- Estimate 2025
- 51,399
- Density
- 68.2/sq mi (26.3/km )
- Time zone
- UTC−6 ( Central )
- Summer dst
- UTC−5 ( CDT )
Article
Ogle County is a county in the northern part of the U.S. state of Illinois. According to the 2020 United States census, it had a population of 51,788. Its county seat is Oregon, and its largest city is Rochelle. Ogle County comprises Rochelle, IL Micropolitan Statistical Area, which is also included in the Rockford-Freeport-Rochelle, IL Combined Statistical Area.
History