Is Glasscock County, TX in a flood zone?
FEMA's National Risk Index puts Glasscock County's flood hazard at the 1.9th percentile nationally — among the lowest flood hazard in the country — driven by inland rivers and flash flooding rather than the coast — FEMA's model puts a flood event here at about once every 1 years. County-wide, not parcel-specific: FEMA's real flood-zone map is queried live, never shipped as a download.
Mandatory flood insurance compliance in Glasscock County
Glasscock County is one of the counties where FEMA's own denominator for mandated flood-zone structures is missing, so no compliance rate is shown rather than a guessed one — the data quality guide covers how common this is. Across all residential structures in Glasscock County, not just the ones FEMA mandates, 0% carry an NFIP policy — most flood damage nationally happens outside the mapped high-risk zone, so that broader number matters too.
How Glasscock County compares nationally
Glasscock County sits at rank 3090 of 3144 counties on FEMA's flood hazard scale (1 is worst) and rank 3100 of 3144 by population (1 is biggest). Glasscock County, Texas covers 900.218 square miles and counts roughly 1,153 residents.
Checking a specific address in Glasscock County
Across all of Glasscock County's 452 residential structures, 0 carry an NFIP policy today — a county-wide count that still can't tell you one address's own mapped zone.
More on how this number was built
The methodology guide shows exactly which FEMA and Census tables feed Glasscock County's numbers. See the data quality guide for why Glasscock County, like hundreds of other counties, doesn't get a clean compliance percentage.