Claiborne County, Mississippi: Power, Data Centers and the Local Economy
Home to Port Gibson
Claiborne County is a power-producing county: the plants here serve load well beyond its borders. Unemployment was 7.2% in August 2026, against 10.9% in 2019. Claiborne County is home to Port Gibson. Next door, Warren County has 1 data center and 835 MW of planned generation. Its power plants have 1,440 MW of capacity, 100% of it nuclear, the 3rd largest fleet in Mississippi. Employers here counted 3,260 jobs in 2025, down 6.8% from 2019.
Cities and towns in Claiborne County
Claiborne County is home to Port Gibson.
Unincorporated communities (governed by the county): Alcorn State University, Hermanville, Pattison.
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 Claiborne County
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in Mississippi |
|---|---|---|---|---|
| Population (2020 → 2025) | 9,093 | 8,058 | ▼ 11.4% | 73rd of 82 by size |
| Total jobs (2019 → 2025) | 3,497 | 3,260 | ▼ 6.8% | 64th of 82 by growth |
| Average annual pay (2019 → 2025) | $54,544 | $68,952 | ▲ 26.4% | — |
| Unemployment rate (2019 → August 2026) | 10.9% | 7.2% | ▼ 3.7pts | — |
| Generating capacity added since 2019 | — | 0 MW | — | |
| Generating capacity retired since 2019 | — | 0 MW | — |
8,058 people live here, down 11.4% since 2020. Entergy Mississippi LLC is the largest utility serving Claiborne County, one of 2 with territory here. Its residential customers paid an average 13.21¢/kWh in 2024, above the 12.78¢ median for Mississippi utilities.
Who powers Claiborne County
Utilities with service territory in Claiborne 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% |
| Southwest Mississippi E P A | Cooperative | Bundled | 23,153 | 15.03¢ | 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 |
|---|---|---|
| Nuclear | 1,440 MW | 100% |
| Largest plants | Owner | Technology | MW | Since |
|---|---|---|---|---|
| Grand Gulf | System Energy Resources, Inc | Nuclear | 1,440 MW | 1985 |
The Claiborne County labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 3,260 | $68,952 | 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 Claiborne County
No data center, local measure or delayed project is on record in Claiborne County. Mississippi has 1 local measure on record statewide.
Claiborne County and its neighbors
Of the 5 counties that border Claiborne County, Warren 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 |
|---|---|---|---|---|---|---|
| Claiborne County | 8,058 | ▼ 6.8% | 1,440 MW | — | — | — |
| Copiah County | 27,497 | ▼ 5.1% | — | — | — | — |
| Hinds County | 211,888 | ▼ 8.6% | 605 MW | 150 MW | 3 | — |
| Jefferson County | 6,825 | ▼ 2.4% | — | — | — | — |
| Tensas Parish LA | 3,700 | ▼ 10.5% | — | — | — | — |
| Warren County | 41,759 | ▼ 5.9% | 58 MW | 835 MW | 1 | — |
More of Mississippi
Claiborne County, answered from the record
Who provides electricity in Claiborne County, Mississippi?
2 utilities have service territory in Claiborne County in the EIA-861 2024 report: Entergy Mississippi LLC, Southwest Mississippi E P A. The largest, Entergy Mississippi LLC, charged residential customers 13.21¢/kWh on average in 2024.
What power plants are in Claiborne County?
1 operating plant with 1,440 MW of capacity. The largest is Grand Gulf (1,440 MW, nuclear).
Are there data centers in Claiborne County?
The SAVRN Data Center Map has no data center in Claiborne County. The nearest activity on record is next door in Warren County.
Is Claiborne County adding jobs?
Employers counted 3,260 jobs in 2025 against 3,497 in 2019 (-6.8%, BLS QCEW).
Does Claiborne County have a data center moratorium?
No county-level measure is on record for Claiborne County. Mississippi has 1 local measure statewide, listed on the state page.