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Union Parish, LA (shown in white) has 876.91 mi² of land area and 28.42 mi² of water resources. The county is bordered by:
The county's elevations range from a low of 49.2' to a high of 298.6', with a weighted average of 151.7' above sea level.
Temperatures range from average lows around 34.3°F to average highs around 93.2°F. A year-round daily temperature averages 64.8°F. Average annual precipation is 58.8". With these temperatures and precipation, the majority of the county scores as an 8A 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 Union Parish is 21,360 with 8,868 households. These households are spread across 7 unique municipalties (not all shown).
