Cities and Towns in Ogle County, Illinois

Founded in 1836, Ogle County is one of 102 counties in the state of Illinois. Historically, Ogle County was formed from Jo Daviess. The city of Oregon is the county seat. With FIPS code of 141, Ogle County has a population of 51,449 and area of 758 square miles (1,963 km²).

List of all cities in Ogle County, IL alphabetically

City/Town Postal Code Area Code
Baileyville, IL 61007 815/779
Brookville, IL 61064 815/779
Byron, IL 61010 815/779
Chana, IL 61015 815/779
Creston, IL 60113 815/779
Davis Junction, IL 61020 815/779
Egan, IL 61047 815/779
Flag Center, IL 61068 815/779
Flagg, IL 61068 815/779
Forreston, IL 61030 815/779
Haldane, IL 61030 815/779
Hillcrest, IL 61068 815/779
Holcomb, IL 61043 815/779
Honey Creek, IL 61015 815/779
Kings, IL 61068 815/779
Leaf River, IL 61047 815/779
Lindenwood, IL 61049 815/779
Monroe Center, IL 61052 815/779
Mount Morris, IL 61054 815/779
Oregon, IL 61061 815/779
Paynes Point, IL 61015 815/779
Polo, IL 61064 815/779
Rochelle, IL 61068 815/779
Stillman Valley, IL 61084 815/779
Stratford, IL 61064 815/779
Woosung, IL 61091 815/779

Major Cities and Towns in Ogle County, Illinois

Oregon, Illinois

Area, Population, and Coordinates

  • Area: 2.02 square miles
  • Population: Approximately 3,721 (2020 Census)
  • Zip Code: 61061
  • Latitude: 42.0150° N
  • Longitude: 89.3330° W

Location and History

Oregon, the county seat of Ogle County, is nestled along the scenic Rock River, about 95 miles west of Chicago. The city’s history dates back to the early 1830s, when European settlers were attracted to the area’s fertile land and strategic position along the river. Oregon was officially established in 1839, and its location near key transportation routes made it a hub for trade and agriculture. The city has retained its small-town charm while being known for its role in the region’s political and economic development during the 19th century.

Major Schools and Landmarks

Oregon’s educational needs are served by the Oregon Community Unit School District, which includes Oregon Elementary School, Oregon High School, and David L. Rahn Junior High. The city is also home to the Black Hawk Statue (Eternal Indian), a major landmark in nearby Lowden State Park, designed by artist Lorado Taft. Other notable landmarks include the Oregon Public Library, a historic Carnegie library, and the Ogle County Courthouse, which stands as a reminder of the city’s rich historical past.


Rochelle, Illinois

Area, Population, and Coordinates

  • Area: 12.92 square miles
  • Population: Approximately 9,424 (2020 Census)
  • Zip Code: 61068
  • Latitude: 41.9231° N
  • Longitude: 89.0682° W

Location and History

Rochelle is located in the southeastern part of Ogle County, at the crossroads of major transportation routes, including I-39 and I-88, making it a strategic location for both industry and commerce. Founded in 1853 as “Hickory Grove,” the city was renamed Rochelle due to its growing importance as a railroad hub. The arrival of the Chicago & North Western Railroad played a crucial role in its development, turning the city into a major agricultural distribution point. Its rich railroad history still influences its identity, earning Rochelle the nickname “The Hub City.”

Major Schools and Landmarks

Rochelle Township High School and Rochelle Middle School are key institutions within the city, part of the Rochelle Community Consolidated School District. The city is also home to major landmarks such as the Rochelle Railroad Park, one of the few parks in the country where visitors can safely watch trains pass by, and the Flagg Township Historical Society Museum, which preserves the area’s history. Additionally, the nearby Kyte River and Skare Park provide residents and visitors with recreational activities, while Rochelle’s bustling downtown showcases its vibrant local culture and history.


Byron, Illinois

Area, Population, and Coordinates

  • Area: 3.36 square miles
  • Population: Approximately 3,773 (2020 Census)
  • Zip Code: 61010
  • Latitude: 42.1269° N
  • Longitude: 89.2553° W

Location and History

Byron is situated along the Rock River, northwest of the county seat, Oregon. Established in the mid-19th century, Byron was initially a farming community, with its fertile land drawing settlers to the area. The city’s history is closely tied to agriculture and the expansion of transportation routes through Ogle County. The arrival of the railroad in the late 1800s boosted the town’s economic significance, allowing Byron to grow steadily. In more recent history, the Byron Nuclear Generating Station, which opened in the 1980s, brought jobs and increased attention to the area, shaping modern-day Byron.

Major Schools and Landmarks

Byron Community Unit School District serves the city’s educational needs, with schools like Byron High School and Byron Middle School. Major landmarks in Byron include the Byron Museum of History, which documents the city’s rich agricultural and industrial heritage. Additionally, the Jarrett Prairie Center, part of the Byron Forest Preserve, offers panoramic views of the Rock River Valley and is a hub for environmental education. The nearby Rock River provides opportunities for outdoor recreation, making Byron a destination for nature lovers and history enthusiasts alike.


Mount Morris, Illinois

Area, Population, and Coordinates

  • Area: 1.17 square miles
  • Population: Approximately 2,998 (2020 Census)
  • Zip Code: 61054
  • Latitude: 42.0489° N
  • Longitude: 89.4337° W

Location and History

Mount Morris is located northwest of Oregon and is known for its rich historical significance in Ogle County. The town was founded in the early 1830s and soon became a center for education with the establishment of the Rock River Seminary in 1839. This seminary played a vital role in shaping the town’s character and economy until it closed in the late 19th century. Mount Morris has maintained its status as a quiet, educational hub and is noted for its role in early Midwestern education.

Major Schools and Landmarks

While the seminary is no longer in operation, the legacy of education persists with the Mount Morris Public Library and Mount Morris Junior High serving the community. The town’s most prominent landmarks include the Old Sandstone Congregational Church and the Mt. Morris Bandshell, which hosts regular concerts and events. The city’s town square, home to the historic “Campus,” stands as a centerpiece for the community, representing Mount Morris’s dedication to preserving its historical charm while fostering a tight-knit, civic-minded population.


Polo, Illinois

Area, Population, and Coordinates

  • Area: 1.10 square miles
  • Population: Approximately 2,347 (2020 Census)
  • Zip Code: 61064
  • Latitude: 41.9859° N
  • Longitude: 89.5787° W

Location and History

Polo is located in the west-central part of Ogle County, a short distance from the Rock River. It was founded in the 1850s, named after Marco Polo by its founders, reflecting their desire to create a thriving community on the frontier. Polo’s history is deeply intertwined with agriculture, as it became a key center for grain trading and livestock. The town’s growth was aided by the railroad, which connected it to larger markets in Chicago and beyond, helping to build a robust economy throughout the late 19th and early 20th centuries.

Major Schools and Landmarks

Polo Community Unit School District 222 manages education in the city, with Polo High School being the primary institution. The city is also home to several notable landmarks, including the Buffalo Grove Cemetery, which is one of the oldest in the area, and the Polo Historical Society Museum, which preserves the town’s rich agricultural heritage. Polo’s downtown area retains a classic small-town Midwestern feel, with historic buildings that reflect its long-standing role as a trade and farming hub in Ogle County.