Carroll County, Illinois: Power, Data Centers and the Local Economy
Home to Savanna Township, York Township and Savanna
No data center or power plant project is on record in Carroll County, but the national build-out still reaches it through its utility bill, its labor market and the projects next door. Carroll County is home to Savanna Township, York Township, Savanna and Rock Creek-Lima Township. Next door, Clinton County, Iowa, has 600 MW of planned generation. 2 MW of that came online in 2019 or later, mostly solar. Unemployment was 3.4% in August 2026, against 4.2% in 2019. Its power plants have 2 MW of capacity, 100% of it solar.
Cities and towns in Carroll County
Carroll County is home to Savanna Township, York Township, Savanna and Rock Creek-Lima Township.
Unincorporated communities (governed by the county): Lake Carroll.
Residents are 2025 Census estimates for the part of each city, town or township inside this county. Census publishes no annual estimate for unincorporated communities.
What changed in Carroll County
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in Illinois |
|---|---|---|---|---|
| Population (2020 → 2025) | 15,686 | 15,419 | ▼ 1.7% | 67th of 102 by size |
| Total jobs (2019 → 2025) | 4,196 | 4,081 | ▼ 2.7% | 64th of 102 by growth |
| Average annual pay (2019 → 2025) | $39,491 | $51,869 | ▲ 31.3% | — |
| Unemployment rate (2019 → August 2026) | 4.2% | 3.4% | ▼ 0.8pts | — |
| Generating capacity added since 2019 | — | 2 MW | — | |
| Generating capacity retired since 2019 | — | 0 MW | — |
Employers here counted 4,081 jobs in 2025, down 2.7% from 2019. Commonwealth Edison Co is the largest utility serving Carroll County, one of 2 with territory here. Its residential customers paid an average 15.22¢/kWh in 2024. 15,419 people live here, down 1.7% since 2020.
Who powers Carroll County
Net change in operating capacity since 2019: +2 MW. Colors follow the fuel legend above.
Utilities with service territory in Carroll County
| Utility | Ownership | Service | Residential customers (systemwide) | Residential price, 2024 | Commercial share of sales |
|---|---|---|---|---|---|
| Commonwealth Edison Co | Investor Owned | Bundled | 3,727,675 | 15.22¢ | 27% |
| Jo-Carroll Energy, Inc | Cooperative | Bundled | 17,227 | 19.79¢ | 27% |
Customer counts, prices and sales shares cover each utility's whole system in the state, not only this county. Commercial sales include data centers.
Operating power plants 1
| Technology | Capacity | Share |
|---|---|---|
| Solar | 2 MW | 100% |
| Largest plants | Owner | Technology | MW | Since |
|---|---|---|---|---|
| DPC York | SoCore Energy LLC | Solar | 2 MW | 2019 |
The Carroll County labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 4,081 | $51,869 | 1.00 |
Concentration is the BLS location quotient: 1.0 means the industry holds the same share of local jobs as it does nationally. Industry rows count private employers; cells BLS suppresses are left out.
Data centers and local rules in Carroll County
No data center, local measure or delayed project is on record in Carroll County. Illinois has 28 local measures on record statewide.
Carroll County and its neighbors
Of the 6 counties that border Carroll County, Ogle County carries the most build-out activity: data centers, planned generation and operating plants combined.
| County | Population | Jobs since 2019 | Operating MW | Planned MW | Data centers | Local measures |
|---|---|---|---|---|---|---|
| Carroll County | 15,419 | ▼ 2.7% | 2 MW | — | — | — |
| Clinton County IA | 46,002 | ▼ 6.9% | 181 MW | 600 MW | — | — |
| Jackson County IA | 19,288 | ▼ 7.5% | 47 MW | — | — | — |
| Jo Daviess County | 21,594 | ▲ 5.3% | 9 MW | — | — | — |
| Ogle County | 51,399 | ▼ 6.0% | 2,502 MW | — | 3 | — |
| Stephenson County | 43,220 | ▼ 0.3% | 270 MW | 2 MW | — | — |
| Whiteside County | 54,121 | ▼ 5.0% | 64 MW | 1 MW | — | — |
More of Illinois
Carroll County, answered from the record
Who provides electricity in Carroll County, Illinois?
2 utilities have service territory in Carroll County in the EIA-861 2024 report: Commonwealth Edison Co, Jo-Carroll Energy, Inc. The largest, Commonwealth Edison Co, charged residential customers 15.22¢/kWh on average in 2024.
What power plants are in Carroll County?
1 operating plant with 2 MW of capacity. The largest is DPC York (2 MW, solar).
Are there data centers in Carroll County?
The SAVRN Data Center Map has no data center in Carroll County. The nearest activity on record is next door in Clinton County.
Is Carroll County adding jobs?
Employers counted 4,081 jobs in 2025 against 4,196 in 2019 (-2.7%, BLS QCEW).
Does Carroll County have a data center moratorium?
No county-level measure is on record for Carroll County. Illinois has 28 local measures statewide, listed on the state page.