(Click on the column title to sort by that column)
| # | Catholics | Population | Percent Catholic | Diocese | Year | Source |
|---|---|---|---|---|---|---|
| 1 | 2,500,000 | 3,500,000 | 71.43% | Port-au-Prince (Archdiocese) | 2004 | ap2005 |
| 2 | 933,000 | 1,400,000 | 66.64% | Les Cayes | 2001 | ap2004 |
| 3 | 800,000 | 1,393,000 | 57.43% | Cap-Haïtien (Archdiocese) | 2004 | ap2005 |
| 4 | 791,558 | 1,386,363 | 57.10% | Les Gonaïves | 2003 | ap2004 |
| 5 | 424,870 | 638,200 | 66.57% | Jérémie | 2004 | ap2005 |
| 6 | 334,180 | 510,461 | 65.47% | Jacmel | 2004 | ap2005 |
| 7 | 330,000 | 550,000 | 60.00% | Port-de-Paix | 2004 | ap2005 |
| 8 | 321,000 | 514,000 | 62.45% | Hinche | 2004 | ap2005 |
| 9 | 310,250 | 425,000 | 73.00% | Fort-Liberté | 2004 | ap2005 |
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