Louisiana has the highest incidence of prostate cancer in the nation. See the parish data.

Prostate cancer is the most common cancer in American men, with an estimated 333,830 new cases and 36,320 deaths projected for 2026 for the disease, according to the American Cancer Society. 

In the U.S., there are approximately 116 new prostate cancer cases per 100,000 people annually. Louisiana has the highest prostate cancer incidence rate in the country at 147.2 cases per 100,000 — a rate that has been steadily rising since 2014, according to data from the National Cancer Institute. 

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These parishes had the highest rates, in cases per 100,000, of prostate cancer from 2018 to 2022, in descending order: 

• West Feliciana Parish with 218.6 cases per 100,000; 
• Iberville Parish with 182.3 cases per 100,000; 
• Bienville Parish with 179.7 cases per 100,000; 
• West Baton Rouge Parish with 179.4 cases per 100,000; 
• Vermillion Parish with 176.5 cases per 100,000; 
• Iberia Parish with 173.8 cases per 100,000; 
• East Baton Rouge Parish with 173.6 cases per 100,000; 
• East Carroll Parish with 172.9 cases per 100,000; 
• East Feliciana Parish with 166.3 cases per 100,000; 
• Tangipahoa Parish with 166.2 cases per 100,000; 
• St. Martin Parish with 166 cases per 100,000; 
• Jackson Parish with 165.3 cases per 100,000; 
• and Lincoln Parish with 165.1 cases per 100,000. 

These parishes had the lowest rates, in cases per 100,000, of prostate cancer from 2018 to 2022, in ascending order: 

• Cameron Parish with 101 cases per 100,000; 
• Evangeline Parish with 102.7 cases per 100,000; 
• Union Parish with 106.9 cases per 100,000; 
• Winn Parish with 108.2 cases per 100,000; 
• Vernon Parish with 109.4 cases per 100,000; 
• Grant Parish with 109.7 cases per 100,000; 
• Franklin and La Salle parishes with 111 cases per 100,000; 
• St. Bernard Parish with 113.9 cases per 100,000; 
• Tensas Parish with 115.2 cases per 100,000; 
• Terrebonne Parish with 117.5 cases per 100,000; 
• Washington Parish with 121.1 cases per 100,000; 
• Livingston Parish with 122.8 cases per 100,000; 
• Sabine Parish with 122.9 cases per 100,000; 
• Bossier Parish with 123.7 cases per 100,000;
• and La Fourche Parish with 124.8 cases per 100,000.

Data represents an annual average for all stages of prostate cancer.