area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 167431 | 1 | 69 | 1 | 9 | 1 | 824 | Rio Arriba-NM (36.56, 106.12) | Culberson-TX (30.66, 104.92) | Carbon-WY (42.43, 107.52) |
2 | 21786 | 4 | 4 | 5 | 2 | 3 | 295 | Inyo-CA (37.26, 117.60) | Inyo-CA (35.81, 115.65) | Mono-CA (38.71, 119.59) |
3 | 19349 | 2 | 29 | 3 | 3 | 4 | 243 | La Salle-IL (41.21, 89.06) | Vermilion-IL (39.88, 87.53) | Jo Daviess-IL (42.51, 90.64) |
4 | 13053 | 3 | 21 | 2 | 4 | 2 | 352 | Faribault-MN (43.56, 94.12) | Crawford-WI (43.17, 90.67) | McCook-SD (43.85, 97.61) |
5 | 7418 | 8 | 2 | 9 | 1 | 5 | 205 | no county here (20.31, 156.07) | Maui-HI (21.25, 157.30) | Hawaii-HI (19.45, 154.77) |
6 | 6809 | 8 | 2 | 9 | 1 | 6 | 128 | Shasta-CA (40.50, 122.15) | Tehama-CA (39.80, 122.94) | Shasta-CA (41.18, 121.33) |
7 | 4938 | 19 | 1 | 9 | 1 | 10 | 111 | Custer-ID (44.20, 114.32) | Custer-ID (43.80, 113.36) | Custer-ID (44.61, 115.28) |
8 | 4394 | 19 | 1 | 9 | 1 | 8 | 115 | Lea-NM (32.79, 103.39) | Lea-NM (32.00, 103.72) | Lea-NM (33.57, 103.05) |
9 | 4258 | 19 | 1 | 9 | 1 | 11 | 103 | San Diego-CA (33.04, 116.84) | San Diego-CA (33.45, 117.58) | San Diego-CA (32.62, 116.11) |
10 | 3277 | 8 | 2 | 9 | 1 | 7 | 119 | Stanislaus-CA (37.28, 121.13) | Santa Clara-CA (37.36, 122.20) | Merced-CA (37.18, 120.05) |
11 | 3248 | 19 | 1 | 9 | 1 | 17 | 83 | Duchesne-UT (40.31, 110.41) | Duchesne-UT (40.81, 109.98) | Duchesne-UT (39.81, 110.86) |
12 | 2786 | 19 | 1 | 9 | 1 | 9 | 112 | Pennington-SD (44.12, 102.99) | Pennington-SD (44.51, 102.00) | Pennington-SD (43.85, 104.06) |
13 | 2678 | 4 | 4 | 9 | 1 | 21 | 74 | Claiborne-LA (32.66, 93.03) | Lincoln-LA (32.50, 92.42) | Webster-LA (33.02, 93.52) |
14 | 2415 | 8 | 2 | 9 | 1 | 20 | 76 | Clackamas-OR (45.38, 122.10) | Clackamas-OR (45.13, 122.79) | Hood River-OR (45.70, 121.44) |
15 | 1913 | 19 | 1 | 9 | 1 | 15 | 85 | Cook-MN (47.79, 90.31) | Cook-MN (47.39, 91.03) | Cook-MN (47.98, 89.43) |
16 | 1891 | 8 | 2 | 5 | 2 | 13 | 89 | Berkshire-MA (42.10, 73.17) | Berkshire-MA (42.74, 73.02) | Litchfield-CT (41.47, 73.31) |
17 | 1831 | 19 | 1 | 9 | 1 | 14 | 85 | Coos-NH (44.70, 71.21) | Coos-NH (44.09, 71.34) | Coos-NH (45.31, 71.08) |
18 | 1806 | 19 | 1 | 9 | 1 | 19 | 77 | Pierce-WA (47.10, 122.12) | Pierce-WA (47.40, 122.80) | Pierce-WA (46.79, 121.44) |
19 | 1744 | 8 | 2 | 5 | 2 | 16 | 84 | Somerset-PA (39.73, 79.08) | Somerset-PA (40.24, 78.66) | Garrett-MD (39.21, 79.49) |
20 | 1603 | 8 | 2 | 9 | 1 | 12 | 89 | Yolo-CA (38.67, 121.71) | Sacramento-CA (38.02, 121.81) | Sutter-CA (39.31, 121.63) |
21 | 1295 | 19 | 1 | 9 | 1 | 22 | 72 | Brevard-FL (28.31, 80.74) | Brevard-FL (27.82, 80.51) | Brevard-FL (28.79, 80.97) |
22 | 1278 | 19 | 1 | 9 | 1 | 26 | 52 | Price-WI (45.68, 90.36) | Price-WI (45.38, 90.68) | Price-WI (45.98, 90.04) |
23 | 1246 | 4 | 4 | 3 | 3 | 18 | 77 | New Castle-DE (39.76, 75.52) | Philadelphia-PA (40.12, 74.96) | Cecil-MD (39.39, 76.07) |
24 | 1218 | 19 | 1 | 9 | 1 | 23 | 59 | Slope-ND (46.45, 103.49) | Slope-ND (46.63, 102.93) | Slope-ND (46.28, 104.05) |
25 | 1015 | 8 | 2 | 9 | 1 | 24 | 57 | Coles-IL (39.43, 88.03) | Clark-IL (39.20, 87.59) | Coles-IL (39.65, 88.47) |
26 | 744 | 19 | 1 | 9 | 1 | 34 | 38 | Allegheny-PA (40.48, 79.98) | Allegheny-PA (40.48, 80.36) | Allegheny-PA (40.67, 79.69) |
27 | 731 | 19 | 1 | 9 | 1 | 25 | 52 | Logan-AR (35.19, 93.71) | Logan-AR (35.06, 94.14) | Logan-AR (35.32, 93.28) |
28 | 698 | 19 | 1 | 9 | 1 | 33 | 38 | Pendleton-WV (38.68, 79.33) | Pendleton-WV (38.96, 79.35) | Pendleton-WV (38.41, 79.31) |
29 | 635 | 8 | 2 | 9 | 1 | 31 | 42 | Madison-VA (38.53, 78.31) | Page-VA (38.82, 78.39) | Madison-VA (38.23, 78.22) |
30 | 620 | 19 | 1 | 9 | 1 | 32 | 41 | Chittenden-VT (44.44, 73.09) | Chittenden-VT (44.16, 72.95) | Chittenden-VT (44.72, 73.23) |
31 | 552 | 19 | 1 | 9 | 1 | 28 | 46 | Reynolds-MO (37.51, 90.85) | Iron-MO (37.74, 91.15) | Iron-MO (37.27, 90.55) |
32 | 512 | 19 | 1 | 9 | 1 | 35 | 35 | Pickens-SC (34.85, 82.72) | Pickens-SC (34.62, 82.85) | Pickens-SC (35.07, 82.57) |
33 | 501 | 8 | 2 | 9 | 1 | 30 | 42 | Union-GA (34.82, 83.85) | Union-GA (34.65, 84.16) | Towns-GA (34.99, 83.55) |
34 | 467 | 19 | 1 | 9 | 1 | 37 | 31 | Logan-OH (40.38, 83.77) | Logan-OH (40.23, 83.55) | Logan-OH (40.54, 83.99) |
35 | 415 | 8 | 2 | 9 | 1 | 29 | 43 | Fulton-GA (33.66, 84.36) | DeKalb-GA (33.97, 84.34) | Clayton-GA (33.35, 84.39) |
36 | 405 | 19 | 1 | 9 | 1 | 38 | 28 | Wayne-IN (39.87, 85.01) | Wayne-IN (40.01, 84.81) | Wayne-IN (39.72, 85.19) |
37 | 349 | 19 | 1 | 9 | 1 | 36 | 35 | Orleans-LA (30.03, 89.88) | Orleans-LA (30.15, 89.63) | Orleans-LA (29.92, 90.14) |
38 | 206 | 19 | 1 | 9 | 1 | 27 | 50 | no county here (37.74, 122.72) | San Francisco-CA (37.77, 123.17) | San Francisco-CA (37.71, 122.27) |
39 | 97 | 7 | 3 | 5 | 2 | 39 | 15 | City of Washington-DC (38.89, 77.05) | Falls Church-VA (38.89, 77.19) | City of Washington-DC (38.89, 76.91) |
40 | 6 | 19 | 1 | 9 | 1 | 40 | 4 | Fairfax city-VA (38.85, 77.30) | Fairfax city-VA (38.86, 77.27) | Fairfax city-VA (38.85, 77.33) |
floating glob radius (miles) | center county and point | county 1 and point | county 2 and point | county 3 and point |
1 | 80 | Lincoln-CO (39.43, 103.55) | Otero-CO (38.27, 103.51) | Sherman-KS (39.44, 102.05) | Jefferson-CO (39.57, 105.05) |
2 | 45 | Inyo-CA (36.45, 117.66) | Kern-CA (35.80, 117.66) | Nye-NV (36.92, 117.10) | Fresno-CA (36.75, 118.37) |
3 | 48 | Kane-IL (41.81, 88.50) | Kenosha-WI (42.49, 88.30) | Putnam-IL (41.31, 89.16) | Great Lakes (42.15, 87.68) |
4 | 24 | Olmsted-MN (44.19, 92.56) | Rice-MN (44.20, 93.04) | Fillmore-MN (43.85, 92.45) | Pepin-WI (44.45, 92.23) |
5 | 33 | Hawaii-HI (19.65, 155.52) | Pacific Ocean (19.44, 155.98) | Pacific Ocean (19.79, 155.03) | Pacific Ocean (20.08, 155.29) |
6 | 33 | Tehama-CA (40.36, 122.12) | Butte-CA (39.88, 122.05) | Plumas-CA (40.43, 121.50) | Trinity-CA (40.58, 122.69) |
7 | 26 | Custer-ID (44.26, 114.23) | Blaine-ID (43.89, 114.29) | Lemhi-ID (44.50, 113.83) | Lemhi-ID (44.59, 114.48) |
8 | 22 | Lea-NM (32.73, 103.44) | Eddy-NM (32.52, 103.72) | Gaines-TX (32.73, 103.06) | Eddy-NM (32.73, 103.81) |
9 | 30 | San Diego-CA (33.00, 116.76) | Riverside-CA (33.43, 116.76) | Pacific Ocean (32.91, 117.26) | Mexico (32.57, 116.70) |
10 | 16 | Merced-CA (37.25, 120.70) | Stanislaus-CA (37.35, 120.96) | Madera-CA (37.09, 120.49) | Stanislaus-CA (37.46, 120.83) |
11 | 24 | Duchesne-UT (40.16, 110.44) | Carbon-UT (39.81, 110.44) | Uintah-UT (40.16, 109.98) | Wasatch-UT (40.16, 110.90) |
12 | 16 | Pennington-SD (43.92, 102.33) | Meade-SD (44.14, 102.39) | Shannon-SD (43.69, 102.34) | Jackson-SD (43.92, 102.02) |
13 | 22 | Claiborne-LA (32.64, 93.07) | Jackson-LA (32.45, 92.78) | Union-LA (32.76, 92.73) | Bossier-LA (32.65, 93.45) |
14 | 20 | Clackamas-OR (45.17, 122.25) | Marion-OR (45.02, 122.60) | Marion-OR (44.89, 122.25) | Multnomah-OR (45.46, 122.25) |
15 | 16 | Cook-MN (47.86, 90.67) | Great Lakes (47.66, 90.49) | Canada (48.10, 90.70) | Lake-MN (47.86, 91.02) |
16 | 13 | Litchfield-CT (41.73, 73.26) | Hartford-CT (41.76, 73.01) | Dutchess-NY (41.74, 73.51) | Fairfield-CT (41.65, 73.48) |
17 | 14 | Coos-NH (44.44, 71.30) | Carroll-NH (44.24, 71.25) | Oxford-ME (44.45, 71.02) | Essex-VT (44.50, 71.58) |
18 | 14 | Pierce-WA (46.96, 122.07) | King-WA (47.14, 121.94) | Thurston-WA (46.83, 122.30) | Lewis-WA (46.75, 122.08) |
19 | 15 | Somerset-PA (39.91, 79.05) | Allegany-MD (39.72, 78.91) | Westmoreland-PA (40.11, 79.18) | Westmoreland-PA (40.05, 79.28) |
20 | 13 | Sacramento-CA (38.48, 121.27) | Amador-CA (38.48, 121.03) | El Dorado-CA (38.54, 121.04) | Yolo-CA (38.45, 121.50) |
21 | 10 | Brevard-FL (27.98, 80.70) | Indian River-FL (27.82, 80.70) | Atlantic Ocean (28.04, 80.54) | Osceola-FL (27.97, 80.87) |
22 | 15 | Price-WI (45.60, 90.36) | Rusk-WI (45.60, 90.68) | Taylor-WI (45.38, 90.35) | Oneida-WI (45.60, 90.04) |
23 | 12 | Cecil-MD (39.55, 75.81) | Kent-MD (39.38, 75.82) | Kent-MD (39.38, 75.78) | Chester-PA (39.72, 75.81) |
24 | 12 | Slope-ND (46.45, 103.52) | Billings-ND (46.63, 103.52) | Bowman-ND (46.28, 103.52) | Bowman-ND (46.28, 103.52) |
25 | 11 | Clark-IL (39.33, 87.81) | Cumberland-IL (39.33, 88.01) | Vigo-IN (39.31, 87.62) | Edgar-IL (39.48, 87.82) |
26 | 13 | Allegheny-PA (40.47, 79.99) | Beaver-PA (40.61, 80.14) | Washington-PA (40.30, 80.08) | Westmoreland-PA (40.55, 79.77) |
27 | 8 | Logan-AR (35.27, 93.64) | Johnson-AR (35.38, 93.62) | Johnson-AR (35.38, 93.70) | Yell-AR (35.15, 93.65) |
28 | 12 | Pendleton-WV (38.65, 79.36) | Highland-VA (38.55, 79.54) | Rockingham-VA (38.60, 79.16) | Randolph-WV (38.75, 79.54) |
29 | 8 | Page-VA (38.59, 78.48) | Rappahannock-VA (38.63, 78.34) | Shenandoah-VA (38.64, 78.62) | Greene-VA (38.48, 78.45) |
30 | 11 | Chittenden-VT (44.49, 73.07) | Lamoille-VT (44.46, 72.84) | Franklin-VT (44.65, 73.02) | Essex-NY (44.47, 73.30) |
31 | 6 | Iron-MO (37.43, 90.66) | Reynolds-MO (37.37, 90.75) | Madison-MO (37.42, 90.55) | Reynolds-MO (37.43, 90.77) |
32 | 11 | Pickens-SC (34.89, 82.71) | Greenville-SC (35.01, 82.59) | Oconee-SC (34.90, 82.90) | Anderson-SC (34.76, 82.62) |
33 | 9 | Union-GA (34.86, 83.96) | Fannin-GA (34.89, 84.11) | Lumpkin-GA (34.74, 83.94) | Clay-NC (34.99, 83.96) |
34 | 9 | Logan-OH (40.38, 83.71) | Hardin-OH (40.52, 83.70) | Champaign-OH (40.26, 83.78) | Union-OH (40.37, 83.54) |
35 | 7 | DeKalb-GA (33.75, 84.22) | Fulton-GA (33.75, 84.35) | Henry-GA (33.65, 84.22) | Gwinnett-GA (33.81, 84.12) |
36 | 10 | Wayne-IN (39.87, 84.99) | Union-IN (39.73, 84.99) | Preble-OH (39.87, 84.81) | Randolph-IN (40.00, 84.99) |
37 | 6 | Orleans-LA (30.09, 89.91) | Saint Bernard-LA (30.00, 89.90) | Saint Bernard-LA (30.03, 89.83) | Saint Tammany-LA (30.17, 89.96) |
38 | 5 | San Francisco-CA (37.78, 122.42) | Marin-CA (37.83, 122.48) | San Mateo-CA (37.71, 122.42) | Alameda-CA (37.80, 122.34) |
39 | 4 | City of Washington-DC (38.91, 77.04) | Alexandria-VA (38.84, 77.06) | Prince George's-MD (38.95, 76.98) | Montgomery-MD (38.95, 77.10) |
40 | 1 | Fairfax city-VA (38.85, 77.29) | Fairfax-VA (38.84, 77.29) | Fairfax-VA (38.87, 77.29) | Fairfax-VA (38.86, 77.30) |