Jo Daviess County, Illinois: Power, Data Centers and the Local Economy
Home to Dunleith Township, Galena and West Galena Township
Jo Daviess County is not a build-out site today. It feels the boom through the grid it shares, the utilities that serve it and the work nearby. Construction employs 638, up 41.8% since 2019, and construction is 1.6 times as concentrated here as in the U.S. economy. Jo Daviess County is home to Dunleith Township, Galena, West Galena Township and Stockton Township. Next door, Dubuque County, Iowa, has 1 data center. 9 MW of that came online in 2019 or later, mostly solar. Unemployment was 3.0% in August 2026, against 3.9% in 2019.
Cities and towns in Jo Daviess County
Jo Daviess County is home to Dunleith Township, Galena, West Galena Township and Stockton Township.
And 9 smaller places.
Unincorporated communities (governed by the county): Apple Canyon Lake, The Galena Territory.
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 Jo Daviess County
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in Illinois |
|---|---|---|---|---|
| Population (2020 → 2025) | 22,090 | 21,594 | ▼ 2.2% | 53rd of 102 by size |
| Total jobs (2019 → 2025) | 7,173 | 7,551 | ▲ 5.3% | 20th of 102 by growth |
| Average annual pay (2019 → 2025) | $35,752 | $49,577 | ▲ 38.7% | — |
| Construction jobs (2019 → 2025) | 450 | 638 | ▲ 41.8% | 8th of 56 by growth |
| Unemployment rate (2019 → August 2026) | 3.9% | 3.0% | ▼ 0.9pts | — |
| Generating capacity added since 2019 | — | 9 MW | — | |
| Generating capacity retired since 2019 | — | 0 MW | — |
Employers here counted 7,551 jobs in 2025, up 5.3% from 2019. Its power plants have 9 MW of capacity, 100% of it solar. Commonwealth Edison Co is the largest utility serving Jo Daviess County, one of 3 with territory here. Its residential customers paid an average 15.22¢/kWh in 2024. 21,594 people live here, down 2.2% since 2020.
Who powers Jo Daviess County
Net change in operating capacity since 2019: +9 MW. Colors follow the fuel legend above.
Utilities with service territory in Jo Daviess 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% |
| Scenic Rivers Energy Coop | Cooperative | Bundled | 12 | 13.31¢ | 0% |
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 4
| Technology | Capacity | Share |
|---|---|---|
| Solar | 9 MW | 100% |
| Largest plants | Owner | Technology | MW | Since |
|---|---|---|---|---|
| IGS Stockton DG CSG | SRC Partnership 3, LLC | Solar | 4 MW | 2020 |
| Agrimony 1 | Greenbacker Renewable Energy Corporation | Solar | 2 MW | 2025 |
| Agrimony 2 | Greenbacker Renewable Energy Corporation | Solar | 2 MW | 2025 |
| Apple Canyon Lake Solar | ACM Solar, LLC. | Solar | 1 MW | 2020 |
The Jo Daviess County labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 7,551 | $49,577 | 1.00 |
| Construction | 638 | $82,279 | 1.59 |
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 Jo Daviess County
No data center, local measure or delayed project is on record in Jo Daviess County. Illinois has 28 local measures on record statewide, and 2 neighboring counties have one: Dubuque County, Grant County.
Jo Daviess County and its neighbors
Of the 6 counties that border Jo Daviess County, Grant 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 |
|---|---|---|---|---|---|---|
| Jo Daviess County | 21,594 | ▲ 5.3% | 9 MW | — | — | — |
| Carroll County | 15,419 | ▼ 2.7% | 2 MW | — | — | — |
| Dubuque County IA | 99,381 | ▼ 2.0% | 27 MW | — | 1 | 1 |
| Grant County WI | 52,446 | ▼ 4.2% | 453 MW | 67 MW | — | 1 |
| Jackson County IA | 19,288 | ▼ 7.5% | 47 MW | — | — | — |
| Lafayette County WI | 17,478 | ▲ 13.8% | 100 MW | — | — | — |
| Stephenson County | 43,220 | ▼ 0.3% | 270 MW | 2 MW | — | — |
More of Illinois
Jo Daviess County, answered from the record
Who provides electricity in Jo Daviess County, Illinois?
3 utilities have service territory in Jo Daviess County in the EIA-861 2024 report: Commonwealth Edison Co, Jo-Carroll Energy, Inc, Scenic Rivers Energy Coop. The largest, Commonwealth Edison Co, charged residential customers 15.22¢/kWh on average in 2024.
What power plants are in Jo Daviess County?
4 operating plants with 9 MW of capacity. The largest is IGS Stockton DG CSG (4 MW, solar).
Are there data centers in Jo Daviess County?
The SAVRN Data Center Map has no data center in Jo Daviess County. The nearest activity on record is next door in Dubuque County.
Is Jo Daviess County adding jobs?
Employers counted 7,551 jobs in 2025 against 7,173 in 2019 (+5.3%, BLS QCEW). Construction went from 450 to 638.
Does Jo Daviess County have a data center moratorium?
No county-level measure is on record for Jo Daviess County. Illinois has 28 local measures statewide, listed on the state page.