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Municipal Boundaries

Overview

Lewis and Clark County, MT (shown in white) has 3,458.38 mi² of land area and 39.19 mi² of water resources. The county is bordered by:


The county's elevations range from a low of 3,490.8' to a high of 9,199.5', with a weighted average of 5,338.4' above sea level.

Temperatures range from average lows around 11.4°F to average highs around 86.4°F. A year-round daily temperature averages 42.7°F. Average annual precipation is 22.9". With these temperatures and precipation, the majority of the county scores as an 4B 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 Lewis and Clark County is 75,160 with 31,969 households. These households are spread across 18 unique municipalties (not all shown).