As of May 24, more than 550,000 doses of COVID-19 vaccines have been distributed to individuals across the 10 ZIP codes within Cy-Fair ISD’s boundaries, according to the Texas Department of State Health Services.

This region has had 59,115 confirmed COVID-19 cases since the start of the pandemic, which adds up to about 9% of the area’s population. Active cases have generally been trending down since late January, but the region saw a slight uptick in the past week as nearly 650 new cases were confirmed locally.

More than 251,000 residents—or about 37% of the overall population of the area—have been fully vaccinated against the virus.

ZIP code 77433 continues to have the highest percentage of its population fully vaccinated, at 52.4%, based on 2019 population estimates from the U.S. Census Bureau's American Community Survey. ZIP codes 77040 and 77065 have the lowest percentage of residents fully vaccinated at around 32%.


At least 320,900 Cy-Fair residents have received at least one dose of the vaccine. The Moderna and Pfizer vaccines require two doses to be administered three to six weeks apart. The newest vaccine, from Johnson & Johnson, requires just one dose, according to the Centers for Disease Control and Prevention.

In Harris County, more than 2 million individuals have been partially vaccinated, and nearly 1.6 million have been fully vaccinated as of May 24, according to DSHS data. Find more county-level information about the vaccine
here.