St. Martin Parish, Louisiana: Power, Data Centers and the Local Economy
Home to Breaux Bridge, St. Martinville and Henderson
No data center or power plant project is on record in St. Martin Parish, but the national build-out still reaches it through its utility bill, its labor market and the projects next door. Construction employs 779, up 42.2% since 2019. St. Martin Parish is home to Breaux Bridge, St. Martinville, Henderson and Parks. Next door, Pointe Coupee Parish has 2,341 MW of planned generation. Unemployment was 3.6% in August 2026, against 4.5% in 2019. Employers here counted 12,315 jobs in 2025, up 3.5% from 2019.
Cities and towns in St. Martin Parish
St. Martin Parish is home to Breaux Bridge, St. Martinville, Henderson and Parks.
- Broussard also extends into Lafayette Parish.
Unincorporated communities (governed by the county): Cade, Catahoula, Cecilia.
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. Martin Parish
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in Louisiana |
|---|---|---|---|---|
| Population (2020 → 2025) | 51,616 | 51,106 | ▼ 1.0% | 20th of 64 by size |
| Total jobs (2019 → 2025) | 11,900 | 12,315 | ▲ 3.5% | 18th of 64 by growth |
| Average annual pay (2019 → 2025) | $42,743 | $56,064 | ▲ 31.2% | — |
| Construction jobs (2019 → 2025) | 548 | 779 | ▲ 42.2% | 9th of 43 by growth |
| Unemployment rate (2019 → August 2026) | 4.5% | 3.6% | ▼ 0.9pts | — |
Entergy Louisiana LLC is the largest utility serving St. Martin Parish, one of 5 with territory here. Its residential customers paid an average 11.05¢/kWh in 2024, below the 11.88¢ median for Louisiana utilities. 51,106 people live here, down 1.0% since 2020.
Who powers St. Martin Parish
Utilities with service territory in St. Martin Parish
| Utility | Ownership | Service | Residential customers (systemwide) | Residential price, 2024 | Commercial share of sales |
|---|---|---|---|---|---|
| Entergy Louisiana LLC | Investor Owned | Bundled | 957,522 | 11.05¢ | 20% |
| Cleco Power LLC | Investor Owned | Bundled | 251,927 | 12.33¢ | 32% |
| Southwest Louisiana E M C | Cooperative | Bundled | 108,368 | 11.55¢ | 19% |
| South Louisiana Elec Coop Assn | Cooperative | Bundled | 16,997 | 13.48¢ | 38% |
| City of St Martinville - (LA) | — | — | — | — | — |
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. Martin Parish in the EIA-860M inventory. Its power comes over the grid from plants elsewhere.
The St. Martin Parish labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 12,315 | $56,064 | 1.00 |
| Construction | 779 | $59,681 | 1.19 |
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. Martin Parish
No data center, local measure or delayed project is on record in St. Martin Parish. Louisiana has 3 local measures on record statewide.
St. Martin Parish and its neighbors
Of the 7 counties that border St. Martin Parish, Pointe Coupee Parish 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. Martin Parish | 51,106 | ▲ 3.5% | — | — | — | — |
| Assumption Parish | 19,720 | ▲ 2.6% | — | — | — | — |
| Iberia Parish | 66,846 | ▼ 7.1% | 1 MW | — | — | — |
| Iberville Parish | 29,579 | ▲ 6.6% | 2,683 MW | 400 MW | — | — |
| Lafayette Parish | 257,949 | ▲ 5.8% | 202 MW | — | — | — |
| Pointe Coupee Parish | 19,520 | ▼ 1.0% | 2,855 MW | 2,341 MW | — | — |
| St. Landry Parish | 80,765 | ▲ 0.6% | 135 MW | 4 MW | — | — |
| St. Mary Parish | 46,552 | ▼ 8.9% | 203 MW | — | — | — |
More of Louisiana
St. Martin Parish, answered from the record
Who provides electricity in St. Martin Parish, Louisiana?
5 utilities have service territory in St. Martin Parish in the EIA-861 2024 report: Entergy Louisiana LLC, Cleco Power LLC, Southwest Louisiana E M C, South Louisiana Elec Coop Assn. The largest, Entergy Louisiana LLC, charged residential customers 11.05¢/kWh on average in 2024.
Are there data centers in St. Martin Parish?
The SAVRN Data Center Map has no data center in St. Martin Parish. The nearest activity on record is next door in Pointe Coupee Parish.
Is St. Martin Parish adding jobs?
Employers counted 12,315 jobs in 2025 against 11,900 in 2019 (+3.5%, BLS QCEW). Construction went from 548 to 779.
Does St. Martin Parish have a data center moratorium?
No county-level measure is on record for St. Martin Parish. Louisiana has 3 local measures statewide, listed on the state page.