Static snapshot. This site serves two different things: 1,853 data centres reported by OpenStreetMap contributors nationwide, and 13 sites Helios infers from Arizona parcel records, exported on July 29, 2026. The first is a map of what has been recorded; the second is an argued hypothesis with an evidence chain. This is a point-in-time export, not a live view. See meta.json or the methodology.

Regions

1,853 data centres that OpenStreetMap records in the United States, placed in 276 counties across 47 states.

Mapped facilities
1,853
reported by OSM contributors
Counties
276
holding at least one
Total floor area
20
km² across 1,506 buildings
Densest county
239
Loudoun County, VA
A count here is a count of what has been mapped. A county showing zero has not been surveyed and found empty. Either nobody has mapped it or it genuinely holds none, and this page cannot tell you which. OpenStreetMap coverage follows contributor activity, and contributor activity is uneven.

Regions

276 shown
Loudoun County, VA2392.773,034
Maricopa County, AZ760.961,050
Santa Clara County, CA750.47512
Bexar County, TX670.47518
Prince William County, VA660.921,005
Grant County, WA410.41450
Taylor County, TX400.36394
Morrow County, OR380.55598
Licking County, OH360.63688
Washington County, OR360.37407
Umatilla County, OR350.47516
Fairfax County, VA330.24262
Franklin County, OH320.45488
Venango County, PA32<0.012
Dallas County, TX310.33366
Henrico County, VA310.30334
Cook County, IL300.37404
Laramie County, WY290.30334
Polk County, IA270.53576
Clark County, NV230.25279
Pottawattamie County, IA200.30329
Mecklenburg County, VA190.17187
Collin County, TX170.15167
Fulton County, GA160.18192
DuPage County, IL160.21228
Sarpy County, NE160.39430
Hudson County, NJ160.19204
Travis County, TX160.13140
Ellis County, TX150.32346
King County, WA150.0999
Somerset County, NJ140.12129
Dallas County, IA130.16178
Niagara County, NY130.0112
Salt Lake County, UT130.0887
Douglas County, WA130.11123
Washoe County, NV120.11120
Middlesex County, NJ120.22240
Los Angeles County, CA110.0669
Madison County, MS110.0888
Dickey County, ND110.0112
Crook County, OR110.35386
Arapahoe County, CO100.0669
Douglas County, NE100.11119
Berkeley County, SC100.20216
St. Joseph County, IN90.14150
Tarrant County, TX90.27292
Union County, OH80.14150
Tulsa County, OK80.0445
Madison County, AL70.23253
Bernalillo County, NM70.017
Harris County, TX70.0998
Utah County, UT70.21233
Douglas County, GA60.12128
Warren County, IA60.11124
Baltimore city, MD6<0.013
Hennepin County, MN60.0336
Storey County, NV60.18197
Valencia County, NM60.28308
Davidson County, TN60.0330
Williamson County, TN60.0115
Chesterfield County, VA60.0778
Alameda County, CA50.0329
Sacramento County, CA50.0668
San Diego County, CA50.0222
Johnson County, KS50.0336
Platte County, MO50.0447
Mecklenburg County, NC50.0327
Rutherford County, NC50.0891
Cuyahoga County, OH50.0338
Wasco County, OR50.0559
Montgomery County, TN50.0669
Reeves County, TX50.0219
Racine County, WI50.0330
San Francisco County, CA40.0218
El Paso County, CO40.0439
Miami-Dade County, FL40.0114
Fayette County, GA40.10113
Gwinnett County, GA40.0772
Newton County, GA40.16180
DeKalb County, IL40.14148
Wayne County, MI40.0110
Carver County, MN40.0664
New York County, NY40.017
Rockland County, NY40.0781
Wake County, NC40.0220
Multnomah County, OR4<0.014
Luzerne County, PA40.0439
Montgomery County, PA40.0221
Sumner County, TN40.17191
Medina County, TX40.0998
Manassas city, VA40.0447
Jackson County, AL30.0329
Denver County, CO30.017
Hillsborough County, FL30.0113
Ada County, ID30.0670
Dakota County, MN30.0661
Clay County, MO30.0994
Jackson County, MO30.0219
St. Louis city, MO30.017
Passaic County, NJ30.0225
Doña Ana County, NM30.017
Albany County, NY3<0.013
Caldwell County, NC30.0781
Catawba County, NC30.0999
Durham County, NC3——
Shelby County, TN30.16177
Fauquier County, VA30.0226
Pierce County, WA30.0221
Snohomish County, WA30.0113
Spokane County, WA30.015
Milwaukee County, WI3<0.013
Jefferson County, AL2<0.013
Orange County, CA20.0113
Douglas County, CO20.0223
Western Connecticut Planning Region, CT20.019
Alachua County, FL2<0.014
Broward County, FL20.0113
Duval County, FL2<0.013
Orange County, FL20.0112
Cobb County, GA20.0110
Muscogee County, GA20.0112
Tippecanoe County, IN2——
Jefferson County, KY20.017
Cumberland County, ME20.016
Middlesex County, MA20.0226
Eaton County, MI20.0110
DeSoto County, MS20.0883
Rockingham County, NH2<0.012
Essex County, NJ20.0220
Erie County, NY2<0.014
Richmond County, NY20.0114
Butler County, OH2——
Fairfield County, OH20.0559
Hamilton County, OH2<0.014
Warren County, OH20.0329
Deschutes County, OR2<0.014
Marion County, OR20.017
Allegheny County, PA20.019
Lehigh County, PA20.0220
Minnehaha County, SD20.0330
Denton County, TX20.0333
Montgomery County, TX20.0113
Ward County, TX20.0112
Dane County, WI2<0.011
Houston County, AL1<0.011
Montgomery County, AL1——
Cochise County, AZ1<0.011
Pima County, AZ1<0.011
Pulaski County, AR1<0.013
White County, AR1<0.01<1
Contra Costa County, CA1——
Napa County, CA10.0217
Riverside County, CA1——
San Luis Obispo County, CA1——
Solano County, CA10.016
Stanislaus County, CA1<0.011
Adams County, CO10.019
Broomfield County, CO10.0219
Capitol Planning Region, CT1——
Greater Bridgeport Planning Region, CT10.0114
South Central Connecticut Planning Region, CT10.015
District of Columbia, DC1——
Polk County, FL1<0.012
Forsyth County, GA10.0218
Bear Lake County, ID1<0.01<1
Madison County, ID1<0.012
Champaign County, IL1<0.015
Lake County, IL10.016
Madison County, IL1<0.01<1
Will County, IL1——
Hancock County, IN1<0.012
Lake County, IN10.0112
Monroe County, IN10.0110
Morgan County, IN1——
Johnson County, IA1<0.01<1
Scott County, IA10.016
Barber County, KS1<0.01<1
Ellis County, KS1<0.011
Floyd County, KY1<0.012
Hopkins County, KY1——
McCracken County, KY1——
East Baton Rouge Parish, LA1——
Aroostook County, ME1<0.011
Anne Arundel County, MD1<0.013
Baltimore County, MD1——
Frederick County, MD10.017
Howard County, MD10.0111
Montgomery County, MD10.0115
Prince George's County, MD1<0.014
Essex County, MA1<0.015
Genesee County, MI1<0.014
Macomb County, MI1——
Monroe County, MI1——
Oakland County, MI1<0.014
Washtenaw County, MI1——
Anoka County, MN10.018
Goodhue County, MN1——
Olmsted County, MN1<0.015
Ramsey County, MN10.0111
St. Louis County, MN1<0.013
Adair County, MO1<0.011
Boone County, MO1<0.014
Caldwell County, MO1<0.01<1
Custer County, MT1<0.011
Granite County, MT1<0.01<1
Yellowstone County, MT1——
Buffalo County, NE1——
Strafford County, NH1<0.013
Bergen County, NJ10.0220
Gloucester County, NJ1<0.014
Mercer County, NJ1——
Monmouth County, NJ1<0.013
Santa Fe County, NM1<0.013
Franklin County, NY1——
Kings County, NY1——
Monroe County, NY1<0.01<1
Onondaga County, NY1<0.011
St. Lawrence County, NY1<0.013
Suffolk County, NY1<0.014
Westchester County, NY1<0.011
Yates County, NY10.0110
Cleveland County, NC1——
Union County, NC1——
Cass County, ND1——
Clark County, OH10.018
Delaware County, OH10.0331
Erie County, OH1——
Mahoning County, OH10.018
Summit County, OH10.016
Wood County, OH1——
Bryan County, OK1<0.011
Muskogee County, OK10.0111
Oklahoma County, OK1——
Clackamas County, OR1<0.013
Jackson County, OR1<0.01<1
Lane County, OR1——
Linn County, OR1<0.01<1
Clearfield County, PA1——
Philadelphia County, PA10.0112
Aiken County, SC1——
Horry County, SC10.019
Spartanburg County, SC1——
Grainger County, TN1<0.01<1
Hamilton County, TN1<0.011
Henry County, TN1——
Roane County, TN1——
Rutherford County, TN1——
Angelina County, TX1<0.011
Bell County, TX10.0115
Dickens County, TX1——
El Paso County, TX1<0.011
Hood County, TX1——
Milam County, TX1——
Navarro County, TX1——
Wichita County, TX1<0.014
Williamson County, TX10.0218
Uintah County, UT1<0.011
Washington County, UT1<0.01<1
Culpeper County, VA1——
Frederick County, VA1——
Harrisonburg city, VA1——
Lynchburg city, VA1——
Thurston County, WA1——
Whatcom County, WA1<0.01<1
Kanawha County, WV1——
Morgan County, WV1——
Calumet County, WI10.016
Columbia County, WI1<0.01<1
Dodge County, WI1——
Dunn County, WI1<0.01<1
Marquette County, WI1<0.011
Walworth County, WI1<0.011
Waukesha County, WI1<0.015
Campbell County, WY1<0.011
Guaynabo Municipio, PR1——
San Juan Municipio, PR1<0.012

Counties and states both appear, and they overlap — a county's facilities are also counted in its state. Never add the two together. The megawatt column is a share of a reported national total allocated by building footprint, not a measurement of these buildings. An em dash means nothing was measured to allocate from: every facility there is a point or a campus boundary with no building footprint, which is not the same as a footprint of zero.