Overview

St. Martin Parish, LA (shown in white) has 737.47 mi² of land area and 79.26 mi² of water resources. The county is bordered by:

• Assumption Parish, LA
• Iberia Parish, LA
• Iberville Parish, LA
• Lafayette Parish, LA
• Pointe Coupee Parish, LA
• St. Landry Parish, LA
• St. Mary Parish, LA

The county's elevations range from a low of 0' to a high of 29.5', with a weighted average of 6.6' above sea level.

Temperatures range from average lows around 41.9°F to average highs around 91.2°F. A year-round daily temperature averages 68.9°F. Average annual precipation is 64.9". With these temperatures and precipation, the majority of the county scores as an 9A using the USDA Plant Hardiness Zone Map (the standard by which gardeners and growers can determine which perennial plants are most likely to thrive in a location).

The estimated population of St. Martin Parish is 51,928 with 20,305 households. These households are spread across 7 unique municipalties (not all shown).