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Municipal Boundaries

Overview

Sullivan County, NH (shown in white) has 537.88 mi² of land area and 14.26 mi² of water resources. The county is bordered by:


The county's elevations range from a low of 249.3' to a high of 2,729.7', with a weighted average of 1,183' above sea level.

Temperatures range from average lows around 10.3°F to average highs around 82.2°F. A year-round daily temperature averages 45.2°F. Average annual precipation is 44.5". 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 Sullivan County is 44,076 with 18,599 households. These households are spread across 4 unique municipalties (not all shown).