US News and World Report released its annual rankings for the 500 most healthy American communities on March 26.

Howard County came in 20th nationwide, the highest of any Maryland county. Montgomery County also cracked the top 100 healthiest communities. Seven other Maryland counties made the top 500, and the national average score is above the national average.

Howard County Reigns Supreme in Economy, Disappoints in Equity

The rankings are based on research from the Aetna Foundation, an organization dedicated to improving the quality of life for American communities. Criteria for rankings include environment, housing, and public safety. Aetna foundation found that Howard County was strongest in the areas of Economy, Population Health, Education, and Food & Nutrition, each with scores over 80 on a 100-point scale. The lowest ranking is Equity, which comes in at just 40 points.

For more details on how Howard and other counties were scored, click here.