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Municipal Boundaries

Overview

Custer County, ID (shown in white) has 4,922.18 mi² of land area and 16.42 mi² of water resources. The county is bordered by:


The county's elevations range from a low of 4,199.5' to a high of 12,201.4', with a weighted average of 7,605.6' above sea level.

Temperatures range from average lows around 1.4°F to average highs around 88°F. A year-round daily temperature averages 40°F. Average annual precipation is 19.5". With these temperatures and precipation, the majority of the county scores as an 5B 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 Custer County is 4,491 with 2,051 households. These households are spread across 5 unique municipalties (not all shown).