As of May 10, nearly 487,637 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 58,467 confirmed COVID-19 cases since the start of the pandemic. Active cases have generally been trending down since late January, and 344 new cases were confirmed in the past week.

More than 212,500 residents, or about 31.3% of the overall population of the area, have been fully vaccinated against the virus. Experts recommend at least 70% of the population needs to be vaccinated for herd immunity to be achieved.

ZIP code 77433 continues to have the highest percentage of its population fully vaccinated at 45.6%, based on 2019 population estimates from the U.S. Census Bureau's American Community Survey. ZIP code 77040 now has the lowest percentage of residents fully vaccinated at 26.6%.


At least 293,000 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 one dose, according to the Centers for Disease Control and Prevention.

In Harris County, nearly 1.9 million individuals have been partially vaccinated, and more than 1.3 million have been fully vaccinated as of May 11, according to DSHS data. Find more county-level information about the vaccine
here.