As of April 12, about 340,500 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 about 56,500 confirmed COVID-19 cases since the start of the pandemic. Active cases have generally been trending down since late January, and Cy-Fair had 1,416 active cases as of April 12.

About 18.7% of the overall population of the area—which amounts to nearly 680,400 people—has been fully vaccinated against the virus. Experts recommend about 80% of the population needs to be vaccinated for herd immunity to be achieved.

About 107,500 doses have been administered in the last two weeks since all Texans age 16 and older became eligible for the vaccine March 29.

ZIP code 77433 continues to have the highest percentage of its population fully vaccinated with 26.5%, based on 2019 population estimates from the U.S. Census Bureau's American Community Survey. Just south of there in ZIP code 77449, that percentage falls to 14.9%—the lowest percentage in the region as of April 12.


While about 125,300 Cy-Fair residents have been fully vaccinated, at least 227,500 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, 1.4 million individuals have been partially vaccinated and more than 803,000 have been fully vaccinated as of April 12, according to DSHS data. Find more county-level information about the vaccine here.