Assumption Parish, Louisiana: Power, Data Centers and the Local Economy
Home to Bayou Corne and Bayou L'Ourse
Assumption Parish 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. Assumption Parish is home to Napoleonville. Construction employs 517, down 14.7% since 2019, and construction is 2.4 times as concentrated here as in the U.S. economy. Next door, Iberville Parish has 400 MW of planned generation. Unemployment was 3.7% in August 2026, against 5.2% in 2019. Employers here counted 4,011 jobs in 2025, up 2.6% from 2019.
Cities and towns in Assumption Parish
Assumption Parish is home to Napoleonville.
Unincorporated communities (governed by the county): Bayou Corne, Bayou L'Ourse, Belle Rose, Labadieville, Paincourtville, Pierre Part, Supreme.
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 Assumption Parish
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in Louisiana |
|---|---|---|---|---|
| Population (2020 → 2025) | 20,962 | 19,720 | ▼ 5.9% | 43rd of 64 by size |
| Total jobs (2019 → 2025) | 3,911 | 4,011 | ▲ 2.6% | 20th of 64 by growth |
| Average annual pay (2019 → 2025) | $44,214 | $58,696 | ▲ 32.8% | — |
| Construction jobs (2019 → 2025) | 606 | 517 | ▼ 14.7% | 40th of 43 by growth |
| Unemployment rate (2019 → August 2026) | 5.2% | 3.7% | ▼ 1.5pts | — |
Entergy Louisiana LLC is the largest utility serving Assumption Parish, one of 3 with territory here. Its residential customers paid an average 11.05¢/kWh in 2024, below the 11.88¢ median for Louisiana utilities. 19,720 people live here, down 5.9% since 2020.
Who powers Assumption Parish
Utilities with service territory in Assumption 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% |
| South Louisiana Elec Coop Assn | Cooperative | Bundled | 16,997 | 13.48¢ | 38% |
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 Assumption Parish in the EIA-860M inventory. Its power comes over the grid from plants elsewhere.
The Assumption Parish labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 4,011 | $58,696 | 1.00 |
| Construction | 517 | $76,186 | 2.43 |
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 Assumption Parish
No data center, local measure or delayed project is on record in Assumption Parish. Louisiana has 3 local measures on record statewide.
Assumption Parish and its neighbors
Of the 8 counties that border Assumption Parish, Iberville 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 |
|---|---|---|---|---|---|---|
| Assumption Parish | 19,720 | ▲ 2.6% | — | — | — | — |
| Ascension Parish | 135,105 | ▲ 7.4% | 248 MW | — | — | — |
| Iberia Parish | 66,846 | ▼ 7.1% | 1 MW | — | — | — |
| Iberville Parish | 29,579 | ▲ 6.6% | 2,683 MW | 400 MW | — | — |
| Lafourche Parish | 95,505 | ▲ 2.5% | — | — | — | — |
| St. James Parish | 18,938 | ▼ 5.1% | 138 MW | — | — | — |
| St. Martin Parish | 51,106 | ▲ 3.5% | — | — | — | — |
| St. Mary Parish | 46,552 | ▼ 8.9% | 203 MW | — | — | — |
| Terrebonne Parish | 104,163 | ▼ 4.4% | 79 MW | — | — | — |
More of Louisiana
Assumption Parish, answered from the record
Who provides electricity in Assumption Parish, Louisiana?
3 utilities have service territory in Assumption Parish in the EIA-861 2024 report: Entergy Louisiana LLC, Cleco Power LLC, 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 Assumption Parish?
The SAVRN Data Center Map has no data center in Assumption Parish. The nearest activity on record is next door in Iberville Parish.
Is Assumption Parish adding jobs?
Employers counted 4,011 jobs in 2025 against 3,911 in 2019 (+2.6%, BLS QCEW). Construction went from 606 to 517.
Does Assumption Parish have a data center moratorium?
No county-level measure is on record for Assumption Parish. Louisiana has 3 local measures statewide, listed on the state page.