Overview

Anne Arundel County, MD (shown in white) has 414.81 mi² of land area and 172.99 mi² of water resources. The county is bordered by:

• Baltimore city, MD
• Baltimore County, MD
• Calvert County, MD
• Howard County, MD
• Kent County, MD
• Prince George's County, MD
• Queen Anne's County, MD
• Talbot County, MD

The county's elevations range from a low of 0' to a high of 298.6', with a weighted average of 62' above sea level.

Temperatures range from average lows around 28°F to average highs around 88.7°F. A year-round daily temperature averages 57.9°F. Average annual precipation is 48.1". With these temperatures and precipation, the majority of the county scores as an 7B 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 Anne Arundel County is 601,258 with 225,102 households. These households are spread across 32 unique municipalties (not all shown).