Data centers by county
Every county on the Wattlas map with at least 3 data center sites, with its operators and the power plants nearby.
Alabama
- Madison County: 8 sites
- Jefferson County: 5 sites
- Jackson County: 3 sites
Arizona
- Maricopa County: 84 sites
- Pima County: 5 sites
Arkansas
- Pulaski County: 7 sites
California
- Santa Clara County: 66 sites
- Los Angeles County: 23 sites
- Orange County: 18 sites
- Sacramento County: 9 sites
- San Francisco County: 9 sites
- Alameda County: 8 sites
- San Diego County: 6 sites
- Contra Costa County: 4 sites
Colorado
- Arapahoe County: 13 sites
- Douglas County: 11 sites
- El Paso County: 9 sites
- Denver County: 4 sites
- Adams County: 3 sites
Connecticut
- Western Connecticut Planning Region: 8 sites
- Capitol Planning Region: 4 sites
- Naugatuck Valley Planning Region: 3 sites
Florida
- Miami-Dade County: 10 sites
- Duval County: 6 sites
- Broward County: 4 sites
- Hillsborough County: 4 sites
- Polk County: 4 sites
- Palm Beach County: 3 sites
Georgia
- Fulton County: 34 sites
- Douglas County: 28 sites
- Fayette County: 9 sites
- Newton County: 8 sites
- Gwinnett County: 7 sites
- Cobb County: 5 sites
- Coweta County: 4 sites
- Whitfield County: 4 sites
- Columbia County: 3 sites
- Henry County: 3 sites
- Rockdale County: 3 sites
Idaho
- Ada County: 10 sites
Illinois
- Cook County: 49 sites
- DuPage County: 29 sites
- DeKalb County: 7 sites
Indiana
- Lake County: 9 sites
- St. Joseph County: 8 sites
- Marion County: 6 sites
- Allen County: 4 sites
- LaPorte County: 3 sites
- Tippecanoe County: 3 sites
Iowa
- Polk County: 21 sites
- Pottawattamie County: 15 sites
- Dallas County: 6 sites
- Linn County: 5 sites
- Warren County: 3 sites
Kansas
- Johnson County: 11 sites
Kentucky
- Jefferson County: 8 sites
Louisiana
- Caddo Parish: 3 sites
- East Baton Rouge Parish: 3 sites
Maine
- Cumberland County: 3 sites
Maryland
- City of Baltimore: 7 sites
- Frederick County: 5 sites
- Montgomery County: 4 sites
- Baltimore County: 3 sites
Massachusetts
- Middlesex County: 18 sites
- Essex County: 4 sites
- Worcester County: 4 sites
- Norfolk County: 3 sites
Michigan
- Oakland County: 19 sites
- Wayne County: 6 sites
- Kent County: 5 sites
- Washtenaw County: 3 sites
Minnesota
- Hennepin County: 15 sites
- Carver County: 7 sites
- Dakota County: 7 sites
- Ramsey County: 3 sites
Mississippi
- Madison County: 6 sites
Missouri
- City of St. Louis: 7 sites
- St. Louis County: 5 sites
- Jackson County: 4 sites
- Clay County: 3 sites
- Platte County: 3 sites
Montana
- Yellowstone County: 4 sites
Nebraska
- Sarpy County: 20 sites
- Douglas County: 13 sites
- Lancaster County: 3 sites
Nevada
- Clark County: 26 sites
- Storey County: 14 sites
- Washoe County: 4 sites
New Hampshire
- Rockingham County: 4 sites
- Hillsborough County: 3 sites
New Jersey
- Hudson County: 17 sites
- Middlesex County: 15 sites
- Somerset County: 12 sites
- Essex County: 5 sites
- Passaic County: 5 sites
- Monmouth County: 4 sites
- Bergen County: 3 sites
- Cumberland County: 3 sites
- Ocean County: 3 sites
New Mexico
- Bernalillo County: 11 sites
- Valencia County: 7 sites
- Doña Ana County: 3 sites
New York
- Suffolk County: 8 sites
- Erie County: 7 sites
- Monroe County: 6 sites
- Niagara County: 6 sites
- New York County: 5 sites
- Onondaga County: 5 sites
- Westchester County: 4 sites
- Dutchess County: 3 sites
- Nassau County: 3 sites
- Richmond County: 3 sites
- Rockland County: 3 sites
- St. Lawrence County: 3 sites
North Carolina
- Mecklenburg County: 9 sites
- Wake County: 9 sites
- Durham County: 8 sites
- Catawba County: 4 sites
- Guilford County: 4 sites
- Rutherford County: 4 sites
- Caldwell County: 3 sites
North Dakota
- Cass County: 3 sites
Ohio
- Franklin County: 31 sites
- Licking County: 30 sites
- Butler County: 7 sites
- Hamilton County: 7 sites
- Union County: 6 sites
- Cuyahoga County: 5 sites
- Warren County: 5 sites
- Fairfield County: 4 sites
- Delaware County: 3 sites
Oklahoma
- Tulsa County: 9 sites
- Oklahoma County: 5 sites
Oregon
- Washington County: 42 sites
- Morrow County: 25 sites
- Umatilla County: 24 sites
- Crook County: 15 sites
- Wasco County: 6 sites
Pennsylvania
- Allegheny County: 8 sites
- Montgomery County: 5 sites
- Lackawanna County: 4 sites
- Lehigh County: 4 sites
- Luzerne County: 4 sites
- Beaver County: 3 sites
- York County: 3 sites
South Carolina
- Berkeley County: 10 sites
- Greenville County: 3 sites
- Richland County: 3 sites
South Dakota
- Minnehaha County: 5 sites
Tennessee
- Shelby County: 11 sites
- Davidson County: 8 sites
- Montgomery County: 8 sites
- Sumner County: 7 sites
- Williamson County: 6 sites
- Hamilton County: 4 sites
- Knox County: 3 sites
Texas
- Dallas County: 47 sites
- Bexar County: 38 sites
- Tarrant County: 23 sites
- Collin County: 20 sites
- Harris County: 20 sites
- Ellis County: 17 sites
- Travis County: 17 sites
- Denton County: 8 sites
- Medina County: 6 sites
- Montgomery County: 6 sites
- Williamson County: 6 sites
- Bell County: 5 sites
- McLennan County: 5 sites
- Dickens County: 4 sites
- Hays County: 4 sites
- Brazos County: 3 sites
- El Paso County: 3 sites
- Hood County: 3 sites
- Taylor County: 3 sites
Utah
- Salt Lake County: 23 sites
- Utah County: 12 sites
- Millard County: 3 sites
Virginia
- Loudoun County: 227 sites
- Prince William County: 93 sites
- Fairfax County: 42 sites
- Henrico County: 26 sites
- Stafford County: 12 sites
- Chesterfield County: 11 sites
- Culpeper County: 11 sites
- Fauquier County: 10 sites
- Spotsylvania County: 6 sites
- Hanover County: 5 sites
- Caroline County: 4 sites
- City of Manassas: 4 sites
- King George County: 4 sites
- City of Norfolk: 3 sites
- Louisa County: 3 sites
Washington
- King County: 16 sites
- Grant County: 12 sites
- Douglas County: 9 sites
- Spokane County: 7 sites
- Snohomish County: 5 sites
- Pierce County: 3 sites
Wisconsin
- Milwaukee County: 5 sites
- Dane County: 4 sites
- Racine County: 3 sites
- Waukesha County: 3 sites
Wyoming
- Laramie County: 9 sites
Sources
Data centers: Epoch AI (CC BY); OpenStreetMap via the public Overpass API (ODbL, © OpenStreetMap contributors); Ringmast4r Global-Data-Center-Map (custom permissive license, attribution required); location attributes from WorldPop (R2025A), Global Solar Atlas PVOUT, Global Wind Atlas 4, USFS Wildfire Hazard Potential, the USGS National Seismic Hazard Model and the previous publish's lines and substations; gas distances and county queue from the previous publish's EIA gas pipelines and LBNL Queued Up requests; nearest city from Natural Earth populated places; generation within 20 km from the previous publish's plants; cooling degree days from NOAA NCEI nClimDiv county normals; elevation and slope from the Copernicus DEM GLO-30 (ESA, via AWS Open Data); water stress from WRI Aqueduct 4.0; ozone nonattainment from the EPA Green Book; drought from the U.S. Drought Monitor; tribal land from US Census TIGER/Line. License: CC BY; ODbL; custom permissive; WRI Aqueduct CC BY 4.0; USFS, USGS, EIA, NOAA, EPA, US Census and Natural Earth public domain; Copernicus DEM GLO-30 © DLR e.V. and Airbus Defence and Space GmbH; the U.S. Drought Monitor courtesy of NDMC