Both neighborhoods have a relatively high population of residents who are uninsured, or who receive healthcare through Medicaid. In 2018, this population of uninsured residents was estimated to be 12% in Crown Heights North and 16% in Crown Heights South, compared to the citywide rate of 12%. The concentration of fine particulate matter, the deadliest type of air pollutant, is in Crown Heights North and in Crown Heights South, slightly higher than the citywide and boroughwide averages. Eighteen percent of Crown Heights North residents and eight percent of Crown Heights South residents are smokers, compared to the city average of 14% of residents being smokers. In Crown Heights North, 26% of residents are obese, 13% are diabetic, and 33% have high blood pressure—compared to the citywide averages of 24%, 11%, and 28% respectively. By comparison, in Crown Heights South, 32% of residents are obese, 15% are diabetic, and 37% have high blood pressure. In addition, 19% of children are obese in both Crown Heights North and South, compared to the citywide average of 20%. Eighty-four percent of Crown Heights North and eighty-one percent of Crown Heights South residents eat some fruits and vegetables every day, which is slightly lower than the city's average of 87%. In 2018, 78% of Crown Heights North and 84% of Crown Heights South residents described their health as "good," "very good," or "excellent," compared to than the city's average of 78%. For every supermarket, there are 25 bodegas in Crown Heights North and 21 bodegas in Crown Heights South. Crown Heights North is covered by ZIP Codes 11238, 11216, 11213, and 11233 from west to east, while Crown Heights South is covered by ZIP Codes 11225 and 11213 from west to east. The United States Postal Service operates two post offices nearby: the Saint Johns Place Station at 1234 St Johns Place, and the James E Davis Station at 315 Empire Boulevard. Crown Heights generally has a similar ratio of college-educated residents to the rest of the city. In Crown Heights North, 44% of residents age 25 and older have a college education or higher, while 16% have less than a high school education and 40% are high school graduates or have some college education. In Crown Heights South, 35% of residents age 25 and older have a college education or higher, while 16% have less than a high school education and 48% are high school graduates or have some college education.