Maury County, Tennessee: Power, Data Centers and the Local Economy
Home to Columbia, Spring Hill and Mount Pleasant
Maury County supplies the labor the power build-out runs on. Electrical contractors employ 165, up 179.7% since 2019 against up 20.9% statewide, at an average $68,996 a year. Construction employs 2,228, up 95.3% since 2019. Maury County is home to Columbia, part of Spring Hill (21,625 of its 61,336 residents) and Mount Pleasant. The Moratorium Tracker holds 1 local measure here (1 in force); the latest is “County moratorium on data centers through July 19, 2027”. Next door, Williamson County has 7 data centers.
Cities and towns in Maury County
Maury County is home to Columbia, part of Spring Hill (21,625 of its 61,336 residents) and Mount Pleasant.
- Spring Hill also extends into Williamson 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 Maury County
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in Tennessee |
|---|---|---|---|---|
| Population (2020 → 2025) | 101,812 | 118,131 | ▲ 16.0% | 13th of 95 by size |
| Total jobs (2019 → 2025) | 37,469 | 40,556 | ▲ 8.2% | 34th of 95 by growth |
| Average annual pay (2019 → 2025) | $47,781 | $67,571 | ▲ 41.4% | — |
| Construction jobs (2019 → 2025) | 1,141 | 2,228 | ▲ 95.3% | 7th of 55 by growth |
| Electrical contractor jobs (2019 → 2025) | 59 | 165 | ▲ 179.7% | — |
| Data processing and hosting jobs (2019 → 2025) | 29 | 49 | ▲ 69.0% | — |
| Unemployment rate (2019 → August 2026) | 3.1% | 4.1% | ▲ 1.0pts | — |
Employers here counted 40,556 jobs in 2025, up 8.2% from 2019. 118,131 people live here, up 16.0% since 2020. Unemployment was 4.1% in August 2026, against 3.1% in 2019. Middle Tennessee E M C is the largest utility serving Maury County, one of 4 with territory here. Its residential customers paid an average 11.76¢/kWh in 2024, below the 12.22¢ median for Tennessee utilities.
Who powers Maury County
Utilities with service territory in Maury County
| Utility | Ownership | Service | Residential customers (systemwide) | Residential price, 2024 | Commercial share of sales |
|---|---|---|---|---|---|
| Middle Tennessee E M C | Cooperative | Bundled | 307,370 | 11.76¢ | 37% |
| Duck River Elec Member Corp | Cooperative | Bundled | 71,342 | 12.50¢ | 27% |
| Columbia Power System - (TN) | Municipal | Bundled | 31,166 | 12.00¢ | 35% |
| City of Mt Pleasant - (TN) | Municipal | Bundled | 3,524 | 13.06¢ | 23% |
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 Maury County in the EIA-860M inventory. Its power comes over the grid from plants elsewhere.
The Maury County labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 40,556 | $67,571 | 1.00 |
| Construction | 2,228 | $71,255 | 1.04 |
| Electrical contractors | 165 | $68,996 | 0.56 |
| Data processing and hosting | 49 | $97,084 | 0.39 |
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 Maury County
Local measures 1
| Measure | Status | Date | |
|---|---|---|---|
| County moratorium on data centers through July 19, 2027 | In force | 2026-01 |
Maury County and its neighbors
Of the 6 counties that border Maury County, Williamson 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 |
|---|---|---|---|---|---|---|
| Maury County | 118,131 | ▲ 8.2% | — | — | — | 1 |
| Giles County | 31,433 | ▼ 4.9% | — | — | — | — |
| Hickman County | 26,219 | ▲ 12.3% | 6 MW | — | — | — |
| Lawrence County | 46,914 | ▲ 6.8% | — | — | — | — |
| Lewis County | 13,487 | ▲ 19.7% | — | — | — | — |
| Marshall County | 38,071 | ▲ 1.1% | — | — | — | — |
| Williamson County | 272,061 | ▲ 8.1% | — | — | 7 | — |
More of Tennessee
Maury County, answered from the record
Who provides electricity in Maury County, Tennessee?
4 utilities have service territory in Maury County in the EIA-861 2024 report: Middle Tennessee E M C, Duck River Elec Member Corp, Columbia Power System - (TN), City of Mt Pleasant - (TN). The largest, Middle Tennessee E M C, charged residential customers 11.76¢/kWh on average in 2024.
What county is Columbia, TN in?
Columbia is in Maury County, Tennessee. About 50,072 people live there (2025 Census estimate).
Is Spring Hill in Maury County?
Partly. 21,625 of Spring Hill's 61,336 residents (35%) live in Maury County; most of the city is in Williamson County.
Are there data centers in Maury County?
The SAVRN Data Center Map has no data center in Maury County. The nearest activity on record is next door in Williamson County.
Is Maury County adding jobs?
Employers counted 40,556 jobs in 2025 against 37,469 in 2019 (+8.2%, BLS QCEW). Construction went from 1,141 to 2,228.
Does Maury County have a data center moratorium?
The SAVRN Moratorium Tracker holds 1 local measure for Maury County, 1 in force.