Cities and Towns in Sangamon County, Illinois

Founded in 1821, Sangamon County is one of 102 counties in the state of Illinois. Historically, Sangamon County was formed from Madison and Bond County. The city of Springfield is the county seat. With FIPS code of 167, Sangamon County has a population of 194,734 and area of 868 square miles (2,248 km²).

List of all cities in Sangamon County, IL alphabetically

City/Town	Postal Code	Area Code
Ameritech, IL	62721	217
Andrew, IL	62707	217
Archer, IL	62707	217
Auburn, IL	62615	217
Barclay, IL	62684	217
Bates, IL	62670	217
Berlin, IL	62670	217
Berry, IL	62563	217
Bissell, IL	62707	217
Bolivia, IL	62545	217
Bradfordton, IL	62707	217
Breckenridge, IL	62563	217
Buckhart, IL	62563	217
Buffalo, IL	62515	217
Buffalo Hart, IL	62515	217
C I P S, IL	62739	217
Cantrall, IL	62625	217
Chatham, IL	62629	217
Cimic, IL	62530	217
Curran, IL	62670	217
Dawson, IL	62520	217
Dept of Transportation, IL	62764	217
Dept Public Property Cwlp, IL	62757	217
Devereux Heights, IL	62707	217
DHS Dept of Mental Health, IL	62765	217
Divernon, IL	62530	217
Drivers Lic Div, IL	62723	217
Farmingdale, IL	62677	217
Glenarm, IL	62536	217
Grandview, IL	62702	217
Healthcare and Family Serv, IL	62763	217
Hope School, IL	62716	217
Horace Mann Ins, IL	62715	217
Hwy Accident Bureau, IL	62766	217
Il Dept Reg and Educ, IL	62786	217
Ill Dept Human Services, IL	62762	217
Ill Dept Ins, IL	62767	217
Ill Dept Public Health, IL	62761	217
Ill Dept Revenue, IL	62776	217
Ill Office Educ, IL	62777	217
Ill R O Tax Div, IL	62796	217
Ill Secy State, IL	62756	217
Illiopolis, IL	62539	217
Jerome, IL	62704	217
Lanesville, IL	62515	217
Leland Grove, IL	62704	217
Loami, IL	62661	217
Lowder, IL	62662	217
Mechanicsburg, IL	62545	217
Memorial Med Center, IL	62781	217
New Berlin, IL	62670	217
New City, IL	62563	217
Old Berlin, IL	62670	217
Pawnee, IL	62558	217
Pleasant Plns, IL	62677	217
Richland, IL	62677	217
Riddle Hill, IL	62707	217
Riverton, IL	62561	217
Roby, IL	62545	217
Rochester, IL	62563	217
Saint Johns Hospital, IL	62769	217
Salisbury, IL	62677	217
Secy of State Vehicle Svcs, IL	62722	217
Sherman, IL	62684	217
Sicily, IL	62558	217
Southern View, IL	62703	217
Spaulding, IL	62561	217
Springfield, IL	62701	217
	62702	217
	62703	217
	62704	217
	62705	217
	62706	217
	62707	217
	62708	217
	62711	217
	62712	217
	62715	217
	62716	217
	62719	217
	62721	217
	62722	217
	62723	217
	62726	217
	62736	217
	62739	217
	62746	217
	62756	217
	62757	217
	62761	217
	62762	217
	62763	217
	62764	217
	62765	217
	62766	217
	62767	217
	62769	217
	62776	217
	62777	217
	62781	217
	62786	217
	62791	217
	62794	217
	62796	217
State of Illinois, IL	62706	217
State Rev 3386, IL	62726	217
State Rev 3667, IL	62736	217
State Rev 3707, IL	62746	217
State Rev Box 3547, IL	62719	217
Thayer, IL	62689	217
Williamsville, IL	62693	217

Major Cities and Towns in Sangamon County, Illinois

Springfield

Location and History

Springfield, the capital of Illinois and the county seat of Sangamon County, is located in the central part of the state. Founded in 1821, Springfield is most famous for being the longtime home of Abraham Lincoln, who lived here from 1837 until he became the 16th president of the United States. Lincoln’s legacy is deeply woven into the city’s identity, with numerous historical sites dedicated to his life and career. Springfield’s location along major transportation routes, including historic Route 66, has made it a vital political and commercial hub in Illinois. The city grew rapidly in the 19th century due to the coal industry and its role as a state capital, continuing to thrive as a center for government, education, and healthcare.

Area, Population, Zip Codes, Latitude and Longitude

• Area: 67.19 square miles
• Population: Approximately 114,400 (as of 2020 census)
• Zip Codes: 62701, 62702, 62703, 62704, 62707, 62711, 62712
• Latitude: 39.7817° N
• Longitude: 89.6501° W

Major Schools and Landmarks

Springfield is served by the Springfield Public School District 186, with Springfield High School and Lanphier High School being the major public schools. Landmark attractions include the Abraham Lincoln Presidential Library and Museum, the Lincoln Home National Historic Site, and Lincoln’s Tomb. The Illinois State Capitol building is another key site, showcasing impressive architecture and housing the state’s legislative bodies. Springfield also hosts the Illinois State Fair each year, drawing thousands of visitors to the city. Additionally, the Dana-Thomas House, designed by Frank Lloyd Wright, is a prime example of Prairie School architecture.

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Chatham

Location and History

Chatham is a village located just south of Springfield in Sangamon County. Established in the early 1800s, Chatham originally developed as a small agricultural community along the historic railroad routes. The town’s proximity to Springfield allowed it to grow as a suburban area, with a steady increase in population throughout the 20th century. While it has maintained its small-town charm, Chatham has transformed into a thriving residential community, attracting families and professionals who work in nearby Springfield. The town’s growth is supported by its excellent schools and strong community engagement.

Area, Population, Zip Codes, Latitude and Longitude

• Area: 5.72 square miles
• Population: Approximately 13,300 (as of 2020 census)
• Zip Codes: 62629
• Latitude: 39.6767° N
• Longitude: 89.7043° W

Major Schools and Landmarks

Chatham is part of the Ball-Chatham Community Unit School District 5, with Glenwood High School serving the local student population. One of the village’s notable landmarks is Chatham Community Park, which offers recreational facilities including sports fields, walking trails, and playgrounds. The Sugar Creek Covered Bridge, located nearby, is a historic landmark dating back to the mid-1800s and is a popular spot for visitors. Chatham also hosts several annual community events, such as the Chatham Sweet Corn Festival, celebrating the town’s agricultural heritage.

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Auburn

Location and History

Auburn is a small city located southwest of Springfield in Sangamon County. Founded in the mid-19th century, Auburn developed as a farming community and grew due to the construction of the railroad. Its early economy was based on agriculture and small manufacturing, with the town serving as a hub for local farmers to transport goods to larger markets. Auburn has retained its rural character over the years while becoming a close-knit residential community. Its proximity to Springfield has allowed it to benefit from suburban growth, with many residents commuting to the state capital for work.

Area, Population, Zip Codes, Latitude and Longitude

• Area: 4.13 square miles
• Population: Approximately 4,400 (as of 2020 census)
• Zip Codes: 62615
• Latitude: 39.5911° N
• Longitude: 89.7442° W

Major Schools and Landmarks

Auburn is served by the Auburn Community Unit School District 10, with Auburn High School being the main educational institution. Landmarks in the town include Auburn City Park, which offers recreational spaces, picnic areas, and walking trails. Auburn is also located along the historic Route 66, and visitors can explore local shops and cafes that celebrate the town’s connection to this famous highway. The town’s annual events, such as the Auburn Fall Festival, bring the community together to celebrate local traditions and heritage.

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Rochester

Location and History

Rochester is a village located east of Springfield, along the Sangamon River. Established in 1819, Rochester is one of the oldest settlements in Sangamon County. The town developed as an agricultural center, supported by its fertile land and access to river transportation. Rochester remained a small farming community for much of its history but has grown in recent decades due to its proximity to Springfield. Today, Rochester is known for its suburban appeal, offering a quiet residential environment while being close to the amenities and job opportunities of the state capital.

Area, Population, Zip Codes, Latitude and Longitude

• Area: 2.44 square miles
• Population: Approximately 3,900 (as of 2020 census)
• Zip Codes: 62563
• Latitude: 39.7498° N
• Longitude: 89.5440° W

Major Schools and Landmarks

Rochester is served by the Rochester Community Unit School District 3A, with Rochester High School being the main school. The town’s major landmarks include Rochester Community Park, which hosts sporting events and outdoor festivals, and the nearby Sangamon River, offering opportunities for fishing and kayaking. The village is also home to several historic sites, including the Rochester Historic District, where visitors can explore well-preserved 19th-century buildings. Rochester’s annual Olde Towne Festival celebrates its history and community spirit, drawing visitors from across the county.

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Sherman

Location and History

Sherman is a village located just north of Springfield in Sangamon County. Founded in 1858, Sherman was originally a small farming community that grew due to its location along the railroad. The village was named after General William Tecumseh Sherman, a Union Army general during the Civil War. Over the years, Sherman has evolved into a residential suburb of Springfield, attracting families and professionals due to its proximity to the state capital and its peaceful, rural atmosphere. While it has seen growth, Sherman retains its small-town feel and strong community ties.

Area, Population, Zip Codes, Latitude and Longitude

• Area: 3.57 square miles
• Population: Approximately 4,600 (as of 2020 census)
• Zip Codes: 62684
• Latitude: 39.9056° N
• Longitude: 89.6056° W

Major Schools and Landmarks

Sherman is part of the Williamsville-Sherman Community Unit School District 15, with students attending Williamsville High School. Landmarks in Sherman include Waldrop Park, which offers sports fields, playgrounds, and picnic areas for families. The Sherman Village Park hosts community events such as the annual Fourth of July celebration, which includes fireworks and local entertainment. Sherman is also close to outdoor attractions such as the Sangamon River and Lincoln’s New Salem State Historic Site, a reconstructed 1830s village that showcases Abraham Lincoln’s early life in Illinois.

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Riverton

Location and History

Riverton is a small village located just northeast of Springfield along the Sangamon River. Founded in 1837, Riverton grew as a milling and agricultural community, benefiting from its location near the river. The town’s economy was supported by flour mills, grain elevators, and later, coal mining in the late 19th century. Although its coal industry has since declined, Riverton has remained a stable residential community with a strong sense of local pride. Its proximity to Springfield has made it an attractive place for those seeking small-town living within easy commuting distance of the state capital.

Area, Population, Zip Codes, Latitude and Longitude

• Area: 2.48 square miles
• Population: Approximately 3,400 (as of 2020 census)
• Zip Codes: 62561
• Latitude: 39.8458° N
• Longitude: 89.5378° W

Major Schools and Landmarks

Riverton is served by the Riverton Community Unit School District 14, with Riverton High School being the main educational institution. Major landmarks in Riverton include Wheeland Park, which offers outdoor activities such as fishing and walking trails, and the Riverton Opera House, a historic building that hosts community events and performances. The Sangamon River runs through the village, providing opportunities for canoeing and fishing. Riverton’s annual Fall Festival is a popular event that brings the community together to celebrate local traditions and enjoy family-friendly activities.