# 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. 1,440 MW of operating power plants, mostly nuclear -6.8% total jobs since 2019, now 3,260 13.21¢ per kWh for Entergy Mississippi LLC residential customers, 2024 ## Cities and towns in Claiborne County Claiborne County is home to Port Gibson. Port Gibson1,155 residents 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 | 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 | 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](https://savrn.com/power-supply-chain-map/mississippi/copiah-county) | 27,497 | ▼ 5.1% | — | — | — | — | | Hinds County](https://savrn.com/power-supply-chain-map/mississippi/hinds-county) | 211,888 | ▼ 8.6% | 605 MW | 150 MW | 3 | — | | Jefferson County](https://savrn.com/power-supply-chain-map/mississippi/jefferson-county) | 6,825 | ▼ 2.4% | — | — | — | — | | Tensas Parish](https://savrn.com/power-supply-chain-map/louisiana/tensas-parish) LA | 3,700 | ▼ 10.5% | — | — | — | — | | Warren County](https://savrn.com/power-supply-chain-map/mississippi/warren-county) | 41,759 | ▼ 5.9% | 58 MW | 835 MW | 1 | — | ## More of Mississippi [All Mississippi countiesThe state power page and county mapOpen →](https://savrn.com/power-supply-chain-map/mississippi)[Hinds County211,888 peopleOpen →](https://savrn.com/power-supply-chain-map/mississippi/hinds-county)[Warren County41,759 peopleOpen →](https://savrn.com/power-supply-chain-map/mississippi/warren-county)[Copiah County27,497 peopleOpen →](https://savrn.com/power-supply-chain-map/mississippi/copiah-county)[Jefferson County6,825 peopleOpen →](https://savrn.com/power-supply-chain-map/mississippi/jefferson-county) ## 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. --- Canonical: https://savrn.com/power-supply-chain-map/mississippi/claiborne-county Updated: 2026-10-08. Refreshed weekly by SAVRN from EIA, BLS, BEA, Census and the SAVRN trackers. License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/).