Skip to main content
U.S. flag

An official website of the United States government

This site is currently in beta, and your feedback is helping shape its ongoing development.

Return to search results

U.S. Counties FIPS Layer

Published by National Renewable Energy Laboratory (NREL) | Department of Energy | Metadata Last Checked: January 27, 2026 | Last Modified: 2025-04-28T17:19:53Z
This dataset, which represents county Federal Information Processing System (FIPS) codes for each county as a raster, is utilized by reVX to compute setbacks (distances). Setbacks can be computed either locally (on a per-county basis with specified distances or multipliers) or globally under a generic setback multiplier assumption applied to either the turbine tip height or the base setback distance. A County FIPS code is a five-digit numerical identifier that uniquely identifies counties and county equivalents in the United States The initial two digits represent the FIPS state code, while the final three digits signify the county's unique code within that state. For instance, 55025 corresponds to Dane County, Wisconsin. The first two digits - 55 - represent Wisconsin, and the last three digits - 025 - denote Dane County. Further information can be accessed at the "Federal Information Processing System (FIPS) Codes for States and Counties" resource below.

data.gov

An official website of the GSA's Technology Transformation Services

Looking for U.S. government information and services?
Visit USA.gov