Carroll County, Illinois
36 public bodies govern here, 3 school districts are based here, and USDA lists 6 farmers markets. Everything below says where it came from.
In four numbers
- People
- 15,576
- Median household income
- $60,758
- ±2,707
- Unemployed
- 3.1%
- 205 of 6,678 in the labour force
- Homes with broadband
- 86.1%
- 5,666 of 6,578 households
U.S. Census Bureau, American Community Survey 5-year estimates 2020-2024; read 2026-09-26. Percentages worked out here from the two counts shown.
Who governs here
County government 1
| Name | People | Office | Website |
|---|---|---|---|
| County of Carroll | 15,698 (2021) | Po Box 198, Mount Carroll | Website |
Cities, towns and villages 7
| Name | People | Office | Website |
|---|---|---|---|
| City of Lanark | 1,598 (2021) | Po Box 6, Lanark | — |
| City of Mount Carroll | 1,517 (2021) | 302 N Main St, Mount Carroll | Website |
| City of Savanna | 2,909 (2021) | 333 Chicago Avenue, Savanna | Website |
| Village of Chadwick | 517 (2021) | 225 N Main St, Chadwick | Website |
| Village of Milledgeville | 1,085 (2021) | Po Box 639, Milledgeville | — |
| Village of Shannon | 889 (2021) | Po Box 514, Shannon | — |
| Village of Thomson | 753 (2021) | Po Box 244, Thomson | — |
Townships 12
| Name | People | Office | Website |
|---|---|---|---|
| Township of Cherry Grove-Shannon | 1,687 (2021) | 31457 Straw School Rd, Shannon | — |
| Township of Elkhorn Grove | 202 (2021) | 1071 Grandview Rd, Milledgeville | — |
| Township of Fairhaven | 819 (2021) | Po Box 158, Chadwick | — |
| Township of Freedom | 835 (2021) | 19949 Townhall Rd, Lanark | — |
| Township of Mount Carroll | 2,035 (2021) | 1005 S Clay St, Mount Carroll | — |
| Township of Rock Creek-Lima | 2,114 (2021) | Po Box 153, Lanark | — |
| Township of Salem | 363 (2021) | 22615 Telegraph Rd, Chadwick | — |
| Township of Savanna | 3,589 (2021) | 44 Van Buren St, Savanna | — |
| Township of Washington | 344 (2021) | 18280 Il Route 84, Savanna | — |
| Township of Woodland | 295 (2021) | 18525 Elizabeth Rd, Mount Carroll | — |
| Township of Wysox | 1,418 (2021) | Po Box 73, Milledgeville | — |
| Township of York | 1,997 (2021) | 801 Lucas Ave, Thomson | — |
Special districts 16
| Name | What it does | Office | Website |
|---|---|---|---|
| Tri Township Airport Authority | Air transportation | 8049 Il Route 84, Savanna | Website |
| Shannon Cemetery District | Cemeteries | 502 S Ridge St, Shannon | — |
| Savanna-York Drainage District | Drainage | Po Box 111, Morrison | — |
| Carroll County Housing Authority | Housing and community development | 525 Third Street, Savanna | — |
| Chadwick Public Library District | Libraries | 110 N Main St, Chadwick | Website |
| Savanna Public Library District | Libraries | 326 3rd St, Savanna | — |
| Chadwick Fire Protection District | Local fire protection | Po Box 64, Chadwick | — |
| Lanark Fire Protection District | Local fire protection | Po Box 41, Lanark | — |
| Milledgeville Fire Protection District | Local fire protection | Po Box 153, Milledgeville | — |
| Mount Carrol Fire Protection District | Local fire protection | 311 E Silk St, Mount Carroll | — |
| Savanna Fire Protection District | Local fire protection | 12110 Oakton Rd, Savanna | — |
| Shannon Fire Protection District | Local fire protection | Po Box 549, Shannon | Website |
| Thomson Fire Protection District | Local fire protection | 900 Walnut Street, Thomson | — |
| Milledgeville Park District | Parks and recreation | Po Box 487, Milledgeville | Website |
| Savanna Park District | Parks and recreation | Po Box 329, Savanna | Website |
| Carroll County Soil and Water Conservation District | Soil and water conservation | 807 S Clay St, Mount Carroll | Website |
U.S. Census Bureau, 2022 Census of Governments, Government Units List (published August 2023); the file read 2026-09-26. Offices are placed by county; a special district’s territory can cross county lines. Each body posts its own meetings on its website where the Census records one.
School districts based here
Chadwick-Milledgeville CUSD 399
School district2 schools
100 E 8Th St, Milledgeville, IL, 61051
Its website — where its board posts meetings. Federal record.
Eastland CUSD 308
School district2 schools
601 S Chestnut St, Shannon, IL, 61078
Its website — where its board posts meetings. Federal record.
West Carroll CUSD 314
School district3 schools
633 S East St, Mount Carroll, IL, 61053
Its website — where its board posts meetings. Federal record.
National Center for Education Statistics, Common Core of Data 2024-25; read 2026-09-26.
Farmers markets
Mt. Carroll Farmers' Market
101 W. Market St. Mount Carroll, IL, 61053
Gathered by USDA from the web; USDA record last changed 2023-03-20. USDA listing
Milledgeville Farmers' Market
18 W 5th St Milledgeville, IL, 61051
Gathered by USDA from the web; USDA record last changed 2023-03-20. USDA listing
Heirloom Farmers' Market
2200 Illinois Route 84 Thomson, IL, 61285
Gathered by USDA from the web; USDA record last changed 2023-03-20. USDA listing
Lanark Farmers Market
101 N Broad St, Lanark, IL, 61046
SNAP / EBT
Submitted by the market; USDA record last changed 2022-02-01. USDA listing
Mount Carroll Farmers Market
116 E Market Street, Mount Carroll, IL, 61053
Submitted by the market; USDA record last changed 2021-01-26. USDA listing
Mount Carroll Farmers Market
E Market St, Mount Carroll, IL
Submitted by the market; USDA record last changed 2025-08-01. USDA listing
USDA National Farmers Market Directory; read 2026-09-26.