# St. Clair County, Alabama: Power, Data Centers and the Local Economy Home to Pell City, Moody and Margaret St. Clair 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. St. Clair County is home to Pell City, Moody, Margaret and Odenville. Next door, Jefferson County has 8 data centers. Employers here counted 22,380 jobs in 2025, up 11.6% from 2019 (the 8th fastest growth of 67 Alabama counties). Alabama Power Co is the largest utility serving St. Clair County, one of 2 with territory here. Its residential customers paid an average 16.77¢/kWh in 2024, above the 13.24¢ median for Alabama utilities. Unemployment was 3.2% in August 2026, against 2.8% in 2019. +11.6% total jobs since 2019, now 22,380 16.77¢ per kWh for Alabama Power Co residential customers, 2024 98,206 residents, 2025 ## Cities and towns in St. Clair County St. Clair County is home to Pell City, Moody, Margaret and Odenville. Pell City14,320 residents Moody13,559 residents Margaret7,149 residents Odenville6,023 residents Springville5,597 residents Argo4,317 residents Ashville2,412 residents Riverside2,312 residents Leeds2,185 residents · 17% of the city Trussville2,163 residents · 8% of the city Ragland1,710 residents Steele1,004 residents - Leeds also extends into [Jefferson County](https://savrn.com/power-supply-chain-map/alabama/jefferson-county). - Trussville also extends into [Jefferson County](https://savrn.com/power-supply-chain-map/alabama/jefferson-county). 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 St. Clair County | Measure | Then | Now | Change | Rank in Alabama | |---|---|---|---|---| | Population (2020 → 2025) | 91,703 | 98,206 | ▲ 7.1% | 15th of 67 by size | | Total jobs (2019 → 2025) | 20,062 | 22,380 | ▲ 11.6% | 8th of 67 by growth | | Average annual pay (2019 → 2025) | $39,502 | $57,291 | ▲ 45.0% | — | | Unemployment rate (2019 → August 2026) | 2.8% | 3.2% | ▲ 0.4pts | — | 98,206 people live here, up 7.1% since 2020. ## Who powers St. Clair County ### Utilities with service territory in St. Clair County | Utility | Ownership | Service | Residential customers (systemwide) | Residential price, 2024 | Commercial share of sales | |---|---|---|---|---|---| | Alabama Power Co | Investor Owned | Bundled | 1,332,911 | 16.77¢ | 26% | | Coosa Valley Electric Coop Inc | Cooperative | Bundled | 15,612 | 15.71¢ | 10% | Customer counts, prices and sales shares cover each utility's whole system in the state, not only this county. Commercial sales include data centers. No operating power plant is located in St. Clair County in the EIA-860M inventory. Its power comes over the grid from plants elsewhere. ## The St. Clair County labor market | Industry (2025) | Jobs | Average pay | Concentration vs U.S. | |---|---|---|---| | All industries | 22,380 | $57,291 | 1.00 | | Data processing and hosting | 30 | $91,001 | 0.43 | 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 St. Clair County No data center, local measure or delayed project is on record in St. Clair County. Alabama has 18 local measures on record statewide. ## St. Clair County and its neighbors Of the 6 counties that border St. Clair County, Jefferson 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 | |---|---|---|---|---|---|---| | St. Clair County | 98,206 | ▲ 11.6% | — | — | — | — | | Blount County](https://savrn.com/power-supply-chain-map/alabama/blount-county) | 60,156 | ▲ 5.9% | — | — | — | — | | Calhoun County](https://savrn.com/power-supply-chain-map/alabama/calhoun-county) | 115,834 | ▼ 2.4% | 828 MW | — | 1 | — | | Etowah County](https://savrn.com/power-supply-chain-map/alabama/etowah-county) | 103,886 | ▼ 7.1% | — | — | 1 | — | | Jefferson County](https://savrn.com/power-supply-chain-map/alabama/jefferson-county) | 665,742 | ▲ 4.1% | 2,826 MW | — | 8 | — | | Shelby County](https://savrn.com/power-supply-chain-map/alabama/shelby-county) | 238,552 | ▼ 0.1% | 2,034 MW | — | — | — | | Talladega County](https://savrn.com/power-supply-chain-map/alabama/talladega-county) | 81,603 | ▲ 5.1% | 253 MW | 400 MW | — | — | ## More of Alabama [All Alabama countiesThe state power page and county mapOpen →](https://savrn.com/power-supply-chain-map/alabama)[Jefferson County665,742 peopleOpen →](https://savrn.com/power-supply-chain-map/alabama/jefferson-county)[Shelby County238,552 peopleOpen →](https://savrn.com/power-supply-chain-map/alabama/shelby-county)[Calhoun County115,834 peopleOpen →](https://savrn.com/power-supply-chain-map/alabama/calhoun-county)[Etowah County103,886 peopleOpen →](https://savrn.com/power-supply-chain-map/alabama/etowah-county)[Talladega County81,603 peopleOpen →](https://savrn.com/power-supply-chain-map/alabama/talladega-county) ## St. Clair County, answered from the record ### Who provides electricity in St. Clair County, Alabama? 2 utilities have service territory in St. Clair County in the EIA-861 2024 report: Alabama Power Co, Coosa Valley Electric Coop Inc. The largest, Alabama Power Co, charged residential customers 16.77¢/kWh on average in 2024. ### What county is Pell City, AL in? Pell City is in St. Clair County, Alabama. About 14,320 people live there (2025 Census estimate). ### What county is Moody, AL in? Moody is in St. Clair County, Alabama. About 13,559 people live there (2025 Census estimate). ### Are there data centers in St. Clair County? The SAVRN Data Center Map has no data center in St. Clair County. The nearest activity on record is next door in Jefferson County. ### Is St. Clair County adding jobs? Employers counted 22,380 jobs in 2025 against 20,062 in 2019 (+11.6%, BLS QCEW). ### Does St. Clair County have a data center moratorium? No county-level measure is on record for St. Clair County. Alabama has 18 local measures statewide, listed on the state page. --- Canonical: https://savrn.com/power-supply-chain-map/alabama/st-clair-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/).