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Gloucester County, NJ (shown in white) has 322.01 mi² of land area and 14.76 mi² of water resources. The county is bordered by:
The county's elevations range from a low of 0' to a high of 177.2', with a weighted average of 78.7' above sea level.
Temperatures range from average lows around 25.6°F to average highs around 88.4°F. A year-round daily temperature averages 56.2°F. Average annual precipation is 50.5". With these temperatures and precipation, the majority of the county scores as an 7A 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 Gloucester County is 308,797 with 112,957 households. These households are spread across 27 unique municipalties (not all shown).