Cuyahoga County results:
An average of 28.5% of Cuyahoga County residents at least 18 years of age surveyed in 2005 stated that they were told by a health professional that they had hypertension (high blood pressure). This was nearly unchanged from 2003 results.

Access this page to inspect a graph of the results. From this link, you can also check on other health and behavior related questions asked of surveyed county residents.