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View Preliminary Mapping on the RiskMAP site

For more information, please visit the Calhoun County page on

Detail of events that occur after Flood Insurance Rate Maps are issued Preliminary


Calhoun County was founded in 1846. The county is named for John Caldwell Calhoun, the seventh vice president of the United States.

As of 2000, the population of Calhoun County is 20,647.

Calhoun County receives annual rainfall averages of 40 inches. Several historic storms affected the area. The City of Indianola, the former seat of the county courthouse, was washed away in the 1886 hurricane. The foundation of the court house is still visible during low tide. Hurricane Carla, in September 1961, caused extensive damage in the county when the eye passed through. The county was also affected by Hurricane Alex in June 2010. Tropical storm warnings and tornado watches were issued for the area during Alex.

Calhoun County entered the regular National Flood Insurance Program (NFIP) in March 1971. The date of the current county map is November 2001.

Coastal Barrier Resources Systems are identified by the U.S. Fish and Wildlife Service (USFWS) and can be viewed here.


Image of County Map


 Community   Community ID   Policies in Effect   Insurance in Force   # Paid Losses   $ PaidLosses   Substantial Damage Claims Since 1978 
Calhoun County4800972,113$ 394,939,600.00288$ 2,110,050.9324
City of Point Comfort48009826$ 3,819,300.001$ 82,629.341
City of Port of Lavaca480099697$ 147,803,600.0070$ 400,752.112
City of Seadrift480100170$ 27,071,600.0014$ 121,573.670
Total AmountsN/A3,006$ 573,634,100.00373$ 2,715,006.0527

Note: Data from the Community Information System (CIS) July 8, 2010.