Map Service Center
Willacy County was founded in 1911 from
portions of Cameron and Hidalgo counties and originally included what is now
As of 2010, the population of Willacy
County is 22,134.
Willacy County receives annual rainfall
averages of 27 inches. Several historic storms affected the area. In September
1984, the county experienced the worst flooding since Hurricane Beulah in
September 1967. An average of 20 inches of rain fell in a three-day period. The
eye of hurricane Allen passed over Willacy County in August 1980.
Willacy County entered the regular
National Flood Insurance Program (NFIP) in February 1984.
For more helpful information, look underResources and Related Links.
For mapping questions, contact the FEMA Mapping Information eXchange (FMIX) – 1-877-336-2627.
For Flood Insurance questions, call the NFIP Hotline - 1-800-621-3362 (press 2 for insurance)
Coastal Barrier Resources Systems are identified by the U.S. Fish and Wildlife Service (USFWS) and can be viewed here.