This website uses cookies. By continuing you are agreeing to our privacy policy.


State or County Total Population Pediatric Asthma Adult Asthma COPD Adult Chronic Lung Disease Lung Cancer
Delaware 952,065 16,500 63,100 47,500 118,683 650
Kent 176,824 3,227 14,549 10,889 21,150 129
New Castle 559,793 9,646 46,974 34,546 67,730 409
Sussex 225,322 3,375 19,167 16,747 29,803 165

*DISCLAIMER: The numbers in this publication reflect the estimated prevalence and incidence of lung disease, and not the actual number. These estimates are based on state or national incidence and prevalence estimates applied to the age-specific population of each county; no adjustments are made for any other factors that may affect the actual local prevalence. When citing this information, please be careful to ensure that the nature and limitations of these estimates are understood.

Red button with telephone
Ask An Expert

Questions about your lung health? Need help finding healthcare? Call 1-800-LUNGUSA.

Get help
Red button of two hand prints
We need your generous support

Make a difference by delivering research, education and advocacy to those impacted by lung disease.

Button of turquoise LUNG FORCE swirl

LUNG FORCE unites women and their loved ones across the country to stand together in the fight against lung cancer.

Get involved
Join the fight for healthy lungs and healthy air.
Donate Now.