Cities and Towns in Knox County, Illinois
Founded in 1825, Knox County is one of 102 counties in the state of Illinois. Historically, Knox County was formed from Fulton County. The city of Galesburg is the county seat. With FIPS code of 95, Knox County has a population of 49,268 and area of 716 square miles (1,854 km²).
List of all cities in Knox County, IL alphabetically
| City/Town | Postal Code | Area Code |
| Abingdon, IL | 61410 | 309 |
| Altona, IL | 61414 | 309 |
| Appleton, IL | 61428 | 309 |
| Columbia Heights, IL | 61430 | 309 |
| Dahinda, IL | 61428 | 309 |
| Delong, IL | 61436 | 309 |
| East Galesburg, IL | 61430 | 309 |
| Galesburg, IL | 61401 | 309 |
| 61402 | 309 | |
| Gilson, IL | 61436 | 309 |
| Henderson, IL | 61439 | 309 |
| Henderson Grove, IL | 61401 | 309 |
| Hermon, IL | 61458 | 309 |
| Knoxville, IL | 61448 | 309 |
| Maquon, IL | 61458 | 309 |
| Oak Run, IL | 61428 | 309 |
| Oneida, IL | 61467 | 309 |
| Rio, IL | 61472 | 309 |
| Saint Augustine, IL | 61474 | 309 |
| Victoria, IL | 61485 | 309 |
| Wataga, IL | 61488 | 309 |
| Williamsfield, IL | 61489 | 309 |
| Yates City, IL | 61572 | 309 |
Major Cities and Towns in Knox County, Illinois
1. Galesburg
Area, Population, and Geographic Data
- Area: 17.93 square miles
- Population: 30,197 (as of 2020 Census)
- Zip Codes: 61401, 61402
- Latitude: 40.9478° N
- Longitude: 90.3712° W
Location and History
Galesburg is the county seat of Knox County, located in the west-central part of Illinois, approximately 45 miles northwest of Peoria. Galesburg was founded in 1836 by George Washington Gale, a Presbyterian minister, who envisioned a community centered around education and social reform. This led to the establishment of Knox College, one of the town’s key institutions. The city played an essential role in the anti-slavery movement, with Knox College hosting one of the famous Lincoln-Douglas debates in 1858. Galesburg’s location along major railroad lines contributed to its growth as an industrial and commercial center during the late 19th and early 20th centuries.
Major Schools and Landmarks
Galesburg is home to several notable educational institutions, including Knox College, known for its liberal arts programs and historic significance. The Galesburg Community Unit School District operates schools such as Galesburg High School. Major landmarks include the historic Orpheum Theatre, a venue for performing arts, and the Galesburg Railroad Museum, which celebrates the city’s railroading history. Lake Storey, a large recreational area just north of the city, provides opportunities for boating, fishing, and hiking. The city’s historic downtown features several preserved 19th-century buildings and the Old Main building at Knox College, where Abraham Lincoln delivered a debate speech.
2. Abingdon
Area, Population, and Geographic Data
- Area: 1.4 square miles
- Population: 3,319 (as of 2020 Census)
- Zip Code: 61410
- Latitude: 40.8036° N
- Longitude: 90.3981° W
Location and History
Abingdon is located in the southern part of Knox County, about 12 miles south of Galesburg. Founded in 1836, the city was named after Abingdon, Maryland, the birthplace of one of its founders. Abingdon’s early economy was based on agriculture, but it also became known for its pottery industry in the late 19th and early 20th centuries. The town experienced moderate growth, especially with the arrival of the railroad, which helped transport goods produced locally. Abingdon has maintained its small-town charm, with a community-oriented atmosphere and close proximity to larger cities like Galesburg.
Major Schools and Landmarks
Abingdon-Avon High School serves the community, alongside other schools in the Abingdon-Avon School District. The town is home to several historic sites, including the Abingdon Pottery Factory, which was once a significant part of the local economy. Another key landmark is the Abingdon Depot, a preserved historical railroad station that highlights the town’s connection to the railroad era. The nearby Allison Campground offers outdoor recreation opportunities, while the annual Fall Festival brings residents together for food, games, and music, celebrating the town’s strong sense of community.
3. Knoxville
Area, Population, and Geographic Data
- Area: 2.7 square miles
- Population: 2,911 (as of 2020 Census)
- Zip Code: 61448
- Latitude: 40.9064° N
- Longitude: 90.2843° W
Location and History
Knoxville is located in the eastern part of Knox County, about 5 miles east of Galesburg. It was originally settled in the early 1830s and became the county seat of Knox County before Galesburg eventually took over this role. Knoxville is one of the oldest towns in the county and has a well-preserved historic downtown. Its history is closely tied to the development of the region, with agriculture being a primary economic driver. The town’s proximity to both Galesburg and Peoria allowed it to thrive as a residential community while maintaining its historic identity.
Major Schools and Landmarks
Knoxville is served by Knoxville Community Unit School District 202, with Knoxville High School being the primary secondary institution. The town is known for its historic courthouse, built in 1839, which is one of the oldest in Illinois. Other landmarks include the Old Knox County Jail, a museum showcasing early 19th-century life, and the Knoxville Cemetery, where many of the region’s pioneers are buried. Annual events, such as the Knoxville Heritage Days, celebrate the town’s history with parades, reenactments, and community gatherings. Knoxville also features parks and green spaces for outdoor activities.
4. Wataga
Area, Population, and Geographic Data
- Area: 0.25 square miles
- Population: 843 (as of 2020 Census)
- Zip Code: 61488
- Latitude: 41.0056° N
- Longitude: 90.2823° W
Location and History
Wataga is a small village located in the northeastern part of Knox County, about 10 miles northeast of Galesburg. Founded in the mid-19th century, the town developed along the Chicago, Burlington, and Quincy Railroad, which played a significant role in its early growth. Wataga’s economy was traditionally based on agriculture, with grain and livestock farming being prominent in the surrounding areas. While the town remains small, it has managed to retain a close-knit community atmosphere with deep ties to the region’s agricultural history.
Major Schools and Landmarks
Wataga is served by the ROWVA School District, with ROWVA High School providing secondary education to the local population. Notable landmarks in Wataga include the historic Wataga Depot, a small museum that commemorates the town’s railroad heritage. Nearby, the Oak Run golf course and lake offer recreational opportunities for both residents and visitors. The village also holds annual events like the Wataga Fest, which brings the community together for parades, games, and local entertainment. Wataga’s proximity to Galesburg allows residents easy access to larger city amenities while maintaining its small-town character.
5. Williamsfield
Area, Population, and Geographic Data
- Area: 0.5 square miles
- Population: 578 (as of 2020 Census)
- Zip Code: 61489
- Latitude: 40.9242° N
- Longitude: 90.0169° W
Location and History
Williamsfield is a small village located in the southeastern part of Knox County, about 20 miles east of Galesburg. Founded in the 1880s, the town developed along a key railway line, which helped establish it as a local hub for agriculture and trade. Williamsfield’s growth has remained steady over the years, with farming and small-scale industry continuing to support the local economy. The town’s location near larger cities like Peoria and Galesburg makes it a quiet residential community with easy access to urban areas.
Major Schools and Landmarks
Williamsfield is served by the Williamsfield Community Unit School District, with Williamsfield High School being the primary educational institution. One of the town’s main attractions is the Spoon River Scenic Drive, which passes near the village and attracts visitors with its beautiful fall foliage and arts and crafts fairs. The town also has several parks and recreational areas, such as Henderson Lake, which offers fishing and boating opportunities. The Williamsfield Days festival is a popular annual event, featuring local vendors, food, and music, highlighting the community’s friendly and inviting nature.
6. Yates City
Area, Population, and Geographic Data
- Area: 0.36 square miles
- Population: 660 (as of 2020 Census)
- Zip Code: 61572
- Latitude: 40.7783° N
- Longitude: 90.0084° W
Location and History
Yates City is located in the southeastern corner of Knox County, about 25 miles southeast of Galesburg. The town was founded in 1837 and named after Richard Yates, a prominent Illinois politician. Yates City’s development was closely tied to the arrival of the railroad, which facilitated the transport of agricultural products from the surrounding farmlands. Although small, Yates City has maintained its rural charm, with agriculture continuing to play a vital role in the local economy. The town has a peaceful atmosphere and is known for its strong sense of community.
Major Schools and Landmarks
Yates City is part of the Farmington Central School District, with students attending nearby schools in Farmington. One of the key landmarks in Yates City is the Yates City Bank Building, a historic structure that reflects the town’s past. The town is also home to several parks and recreational areas, providing residents with opportunities for outdoor activities. Yates City’s annual community events, such as the Yates City Days, celebrate the town’s history and bring together residents for parades, games, and local crafts. The town’s quiet, rural setting makes it a pleasant place for families and retirees.
