Cumberland County, Illinois: Power, Data Centers and the Local Economy
Home to Neoga Township, Greenup Township and Sumpter Township
Cumberland 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. Cumberland County is home to Neoga Township, Greenup Township, Sumpter Township and Neoga. Next door, Coles County has 300 MW of planned generation. 274 MW of that came online in 2019 or later, mostly solar. Its power plants have 274 MW of capacity, 100% of it solar. Unemployment was 2.7% in August 2026, against 3.4% in 2019.
Cities and towns in Cumberland County
Cumberland County is home to Neoga Township, Greenup Township, Sumpter Township and Neoga.
Unincorporated communities (governed by the county): Janesville, Trilla.
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 Cumberland County
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in Illinois |
|---|---|---|---|---|
| Population (2020 → 2025) | 10,432 | 10,208 | ▼ 2.1% | 87th of 102 by size |
| Total jobs (2019 → 2025) | 2,851 | 2,889 | ▲ 1.3% | 37th of 102 by growth |
| Average annual pay (2019 → 2025) | $33,851 | $49,319 | ▲ 45.7% | — |
| Unemployment rate (2019 → August 2026) | 3.4% | 2.7% | ▼ 0.7pts | — |
| Generating capacity added since 2019 | — | 274 MW | — | |
| Generating capacity retired since 2019 | — | 0 MW | — |
Ameren Illinois Company is the largest utility serving Cumberland County, one of 5 with territory here. Its residential customers paid an average 15.26¢/kWh in 2024. Employers here counted 2,889 jobs in 2025, up 1.3% from 2019. 10,208 people live here, down 2.1% since 2020.
Who powers Cumberland County
Net change in operating capacity since 2019: +274 MW. Colors follow the fuel legend above.
Utilities with service territory in Cumberland County
| Utility | Ownership | Service | Residential customers (systemwide) | Residential price, 2024 | Commercial share of sales |
|---|---|---|---|---|---|
| Ameren Illinois Company | Investor Owned | Bundled | 1,060,894 | 15.26¢ | 28% |
| Norris Electric Coop | Cooperative | Bundled | 18,074 | 15.08¢ | 26% |
| Shelby Electric Coop, Inc - (IL) | Cooperative | Bundled | 9,871 | 18.63¢ | 11% |
| Coles-Moultrie Electric Coop | Cooperative | Bundled | 8,456 | 17.14¢ | 25% |
| Village of Greenup - (IL) | — | — | — | — | — |
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 | 274 MW | 100% |
| Largest plants | Owner | Technology | MW | Since |
|---|---|---|---|---|
| Emily Solar, LLC | RWE Clean Energy | Solar | 274 MW | 2025 |
The Cumberland County labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 2,889 | $49,319 | 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 Cumberland County
No data center, local measure or delayed project is on record in Cumberland County. Illinois has 28 local measures on record statewide.
Cumberland County and its neighbors
Of the 5 counties that border Cumberland County, Shelby 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 |
|---|---|---|---|---|---|---|
| Cumberland County | 10,208 | ▲ 1.3% | 274 MW | — | — | — |
| Clark County | 15,114 | ▼ 6.5% | 189 MW | — | — | — |
| Coles County | 46,607 | ▲ 0.2% | 301 MW | 300 MW | — | — |
| Effingham County | 34,519 | ▲ 5.3% | 7 MW | — | — | — |
| Jasper County | 9,032 | ▲ 5.2% | 671 MW | — | — | — |
| Shelby County | 20,576 | ▼ 3.9% | 1,185 MW | 250 MW | — | — |
More of Illinois
Cumberland County, answered from the record
Who provides electricity in Cumberland County, Illinois?
5 utilities have service territory in Cumberland County in the EIA-861 2024 report: Ameren Illinois Company, Norris Electric Coop, Shelby Electric Coop, Inc - (IL), Coles-Moultrie Electric Coop. The largest, Ameren Illinois Company, charged residential customers 15.26¢/kWh on average in 2024.
What power plants are in Cumberland County?
1 operating plant with 274 MW of capacity. The largest is Emily Solar, LLC (274 MW, solar).
Are there data centers in Cumberland County?
The SAVRN Data Center Map has no data center in Cumberland County. The nearest activity on record is next door in Coles County.
Is Cumberland County adding jobs?
Employers counted 2,889 jobs in 2025 against 2,851 in 2019 (+1.3%, BLS QCEW).
Does Cumberland County have a data center moratorium?
No county-level measure is on record for Cumberland County. Illinois has 28 local measures statewide, listed on the state page.