Jefferson Davis County, Mississippi: Power, Data Centers and the Local Economy
No data center or power plant project is on record in Jefferson Davis County, but the national build-out still reaches it through its utility bill, its labor market and the projects next door. Employers here counted 2,202 jobs in 2025, up 37.6% from 2019 (the 2nd fastest growth of 82 Mississippi counties). Jefferson Davis County is home to Prentiss. Unemployment was 3.2% in August 2026, against 6.1% in 2019. Its power plants have 250 MW of capacity, 100% of it natural gas. Entergy Mississippi LLC is the largest utility serving Jefferson Davis County, one of 4 with territory here. Its residential customers paid an average 13.21¢/kWh in 2024, above the 12.78¢ median for Mississippi utilities.
Cities and towns in Jefferson Davis County
Jefferson Davis County is home to Prentiss.
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 Jefferson Davis County
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in Mississippi |
|---|---|---|---|---|
| Population (2020 → 2025) | 11,274 | 10,941 | ▼ 3.0% | 65th of 82 by size |
| Total jobs (2019 → 2025) | 1,600 | 2,202 | ▲ 37.6% | 2nd of 82 by growth |
| Average annual pay (2019 → 2025) | $35,088 | $61,088 | ▲ 74.1% | — |
| Unemployment rate (2019 → August 2026) | 6.1% | 3.2% | ▼ 2.9pts | — |
| Generating capacity added since 2019 | — | 0 MW | — | |
| Generating capacity retired since 2019 | — | 0 MW | — |
10,941 people live here, down 3.0% since 2020.
Who powers Jefferson Davis County
Utilities with service territory in Jefferson Davis County
| Utility | Ownership | Service | Residential customers (systemwide) | Residential price, 2024 | Commercial share of sales |
|---|---|---|---|---|---|
| Entergy Mississippi LLC | Investor Owned | Bundled | 384,611 | 13.21¢ | 39% |
| Mississippi Power Co | Investor Owned | Bundled | 157,437 | 14.47¢ | 30% |
| Southern Pine Electric Cooperative | Cooperative | Bundled | 65,176 | 14.01¢ | 17% |
| Pearl River Valley El Pwr Assn | Cooperative | Bundled | 52,077 | 14.25¢ | 18% |
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 |
|---|---|---|
| Natural gas | 250 MW | 100% |
| Largest plants | Owner | Technology | MW | Since |
|---|---|---|---|---|
| Silver Creek | Cooperative Energy | Natural gas | 250 MW | 2003 |
The Jefferson Davis County labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 2,202 | $61,088 | 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 Jefferson Davis County
No data center, local measure or delayed project is on record in Jefferson Davis County. Mississippi has 1 local measure on record statewide.
Jefferson Davis County and its neighbors
Of the 5 counties that border Jefferson Davis County, Lamar 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 |
|---|---|---|---|---|---|---|
| Jefferson Davis County | 10,941 | ▲ 37.6% | 250 MW | — | — | — |
| Covington County | 17,898 | ▲ 0.9% | — | 96 MW | — | — |
| Lamar County | 67,403 | ▲ 7.7% | 662 MW | — | — | — |
| Lawrence County | 11,819 | ▲ 13.5% | 82 MW | — | — | — |
| Marion County | 24,001 | ▲ 6.6% | — | — | — | — |
| Simpson County | 25,498 | ▼ 2.8% | — | — | — | — |
More of Mississippi
Jefferson Davis County, answered from the record
Who provides electricity in Jefferson Davis County, Mississippi?
4 utilities have service territory in Jefferson Davis County in the EIA-861 2024 report: Entergy Mississippi LLC, Mississippi Power Co, Southern Pine Electric Cooperative, Pearl River Valley El Pwr Assn. The largest, Entergy Mississippi LLC, charged residential customers 13.21¢/kWh on average in 2024.
What power plants are in Jefferson Davis County?
1 operating plant with 250 MW of capacity. The largest is Silver Creek (250 MW, natural gas).
Are there data centers in Jefferson Davis County?
The SAVRN Data Center Map has no data center in Jefferson Davis County.
Is Jefferson Davis County adding jobs?
Employers counted 2,202 jobs in 2025 against 1,600 in 2019 (+37.6%, BLS QCEW).
Does Jefferson Davis County have a data center moratorium?
No county-level measure is on record for Jefferson Davis County. Mississippi has 1 local measure statewide, listed on the state page.