# Counties in Louisiana by business revenue: professional, scientific and technical services (Economic Census), 2022

All 60 values come from U.S. Census Bureau for 2022, so the places are comparable. 2 counties have no value for that period and are not ranked.

- Indicator id: `business_revenue_usd_professional_services`
- Unit: USD million
- Definition: Sales, value of shipments or revenue of employer establishments in professional, scientific, and technical services (NAICS 54), in millions of current US dollars, from the U.S. Census Bureau Economic Census.
- Source: U.S. Census Bureau, Economic Census basic statistics by geography (EC1700BASIC, EC2200BASIC): sales, value of shipments, or revenue (RCPTOT) of professional, scientific, and technical services (NAICS 54), all establishments (https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200BASIC.zip)
- Publisher page: https://invokely.ai/en/publishers/us-census-bureau
- Retrieved: 2026-10-12
- Citation: U.S. Census Bureau. Economic Census basic statistics by geography (EC1700BASIC, EC2200BASIC): sales, value of shipments, or revenue (RCPTOT) of professional, scientific, and technical services (NAICS 54), all establishments. https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200BASIC.zip. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/business-revenue-professional-services/louisiana-counties

| Rank | Place | USD million |
|---:|---|---:|
| 1 | East Baton Rouge Parish | 4,149 |
| 2 | Orleans Parish | 4,086.4 |
| 3 | Jefferson Parish | 2,306.5 |
| 4 | Lafayette Parish | 1,847.8 |
| 5 | Bossier Parish | 1,126.9 |
| 6 | Calcasieu Parish | 1,017.2 |
| 7 | Caddo Parish | 945.6 |
| 8 | Ouachita Parish | 473.5 |
| 9 | Terrebonne Parish | 470.6 |
| 10 | Rapides Parish | 315.6 |
| 11 | Ascension Parish | 285.2 |
| 12 | Tangipahoa Parish | 266.9 |
| 13 | St. Charles Parish | 185.1 |
| 14 | Lafourche Parish | 170.5 |
| 15 | Livingston Parish | 120.4 |
| 16 | St. Mary Parish | 99.3 |
| 17 | St. Landry Parish | 98.5 |
| 18 | Lincoln Parish | 95.9 |
| 19 | Iberia Parish | 92.1 |
| 20 | Plaquemines Parish | 84.4 |
| 21 | West Baton Rouge Parish | 63.4 |
| 22 | Iberville Parish | 61.6 |
| 23 | St. Martin Parish | 57.8 |
| 24 | Vernon Parish | 47.3 |
| 25 | LaSalle Parish | 44.4 |
| 26 | Avoyelles Parish | 44.4 |
| 27 | Beauregard Parish | 43.8 |
| 28 | Vermilion Parish | 42.1 |
| 29 | St. John the Baptist Parish | 39.1 |
| 30 | Cameron Parish | 38.9 |
| 31 | Acadia Parish | 37.5 |
| 32 | Jefferson Davis Parish | 29.3 |
| 33 | St. Bernard Parish | 25 |
| 34 | Grant Parish | 24.4 |
| 35 | Webster Parish | 21.5 |
| 36 | Sabine Parish | 20.7 |
| 37 | West Feliciana Parish | 18.3 |
| 38 | Pointe Coupee Parish | 15.9 |
| 39 | Catahoula Parish | 15.6 |
| 40 | Franklin Parish | 15.4 |
| 41 | De Soto Parish | 14.9 |
| 42 | Concordia Parish | 14.4 |
| 43 | Assumption Parish | 14.4 |
| 44 | Richland Parish | 14.3 |
| 45 | East Feliciana Parish | 12.9 |
| 46 | Evangeline Parish | 12.7 |
| 47 | Allen Parish | 10.6 |
| 48 | Caldwell Parish | 10.2 |
| 49 | Jackson Parish | 9.8 |
| 50 | Morehouse Parish | 9.6 |
| 51 | St. James Parish | 9.3 |
| 52 | Union Parish | 7.7 |
| 53 | St. Helena Parish | 6.2 |
| 54 | Winn Parish | 5.4 |
| 55 | Claiborne Parish | 4.9 |
| 56 | Red River Parish | 3.7 |
| 57 | Madison Parish | 3.2 |
| 58 | Bienville Parish | 2.4 |
| 59 | East Carroll Parish | 1.3 |
| 60 | West Carroll Parish | 1.2 |