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Jackson County, IA (shown in white) has 636.04 mi² of land area and 13.57 mi² of water resources. The county is bordered by:
The county's elevations range from a low of 584' to a high of 1,099.1', with a weighted average of 796' above sea level.
Temperatures range from average lows around 11.4°F to average highs around 84.4°F. A year-round daily temperature averages 48.3°F. Average annual precipation is 40.9". With these temperatures and precipation, the majority of the county scores as an 5A 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 Jackson County is 19,537 with 8,331 households. These households are spread across 12 unique municipalties (not all shown).