area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 411905 | 1 | 112 | 1 | 11 | 1 | 1195 | Elko-NV (40.90, 114.65) | Taos-NM (36.05, 105.46) | Clatsop-OR (46.29, 124.04) |
2 | 20063 | 5 | 3 | 7 | 1 | 2 | 264 | Pima-AZ (32.23, 111.07) | Cochise-AZ (31.33, 109.05) | Pima-AZ (32.51, 113.33) |
3 | 17652 | 3 | 5 | 7 | 1 | 5 | 234 | Fergus-MT (47.73, 108.96) | Golden Valley-MT (46.05, 109.60) | Phillips-MT (49.00, 107.18) |
4 | 15272 | 5 | 3 | 2 | 2 | 4 | 255 | Otero-NM (32.51, 105.19) | Lincoln-NM (34.35, 105.31) | Culberson-TX (30.66, 104.92) |
5 | 12778 | 18 | 1 | 7 | 1 | 6 | 214 | Denali-AK (63.52, 150.08) | Denali-AK (64.26, 147.00) | Denali-AK (62.73, 153.00) |
6 | 11978 | 2 | 6 | 7 | 1 | 3 | 258 | Pierce-WA (46.99, 122.20) | Yakima-WA (46.04, 119.87) | Jefferson-WA (47.88, 124.61) |
7 | 10040 | 4 | 4 | 2 | 2 | 8 | 188 | Lincoln-MT (48.03, 115.40) | Lake-MT (47.18, 113.82) | Bonner-ID (48.85, 117.03) |
8 | 7418 | 8 | 2 | 7 | 1 | 7 | 205 | no county here (20.31, 156.07) | Maui-HI (21.25, 157.30) | Hawaii-HI (19.45, 154.77) |
9 | 5707 | 8 | 2 | 7 | 1 | 9 | 167 | Cibola-NM (34.77, 107.60) | Cibola-NM (34.58, 109.05) | Bernalillo-NM (34.95, 106.15) |
10 | 4982 | 8 | 2 | 7 | 1 | 10 | 139 | Glacier-MT (48.62, 112.66) | Toole-MT (48.22, 111.28) | Glacier-MT (49.00, 114.07) |
11 | 4798 | 8 | 2 | 7 | 1 | 15 | 103 | Stevens-WA (48.42, 118.13) | Stevens-WA (47.80, 117.53) | Ferry-WA (49.00, 118.84) |
12 | 4380 | 18 | 1 | 7 | 1 | 14 | 115 | Piscataquis-ME (45.80, 69.27) | Piscataquis-ME (45.01, 69.62) | Piscataquis-ME (46.57, 68.82) |
13 | 4322 | 8 | 2 | 7 | 1 | 12 | 119 | Madison-MT (45.43, 112.09) | Madison-MT (44.71, 111.41) | Silver Bow-MT (46.14, 112.78) |
14 | 3586 | 8 | 2 | 7 | 1 | 13 | 118 | Pennington-SD (44.13, 103.04) | Pennington-SD (43.69, 102.03) | Lawrence-SD (44.57, 104.06) |
15 | 3151 | 18 | 1 | 7 | 1 | 20 | 86 | Wallowa-OR (45.56, 117.35) | Wallowa-OR (46.00, 117.98) | Wallowa-OR (45.08, 116.78) |
16 | 2535 | 8 | 2 | 2 | 2 | 18 | 87 | Essex-NY (44.24, 73.58) | Essex-NY (43.92, 74.34) | Chittenden-VT (44.55, 72.81) |
17 | 2497 | 18 | 1 | 7 | 1 | 11 | 123 | Whatcom-WA (48.87, 121.99) | Whatcom-WA (49.00, 123.32) | Whatcom-WA (48.72, 120.65) |
18 | 2400 | 18 | 1 | 7 | 1 | 19 | 87 | Ravalli-MT (46.06, 114.09) | Ravalli-MT (45.46, 114.34) | Ravalli-MT (46.66, 113.83) |
19 | 2130 | 18 | 1 | 7 | 1 | 24 | 67 | El Paso-CO (38.83, 104.54) | El Paso-CO (38.52, 104.05) | El Paso-CO (39.13, 105.03) |
20 | 1920 | 5 | 3 | 7 | 1 | 16 | 97 | Marin-CA (38.07, 122.38) | San Francisco-CA (37.74, 123.16) | Solano-CA (38.53, 121.69) |
21 | 1913 | 18 | 1 | 7 | 1 | 22 | 85 | Cook-MN (47.79, 90.31) | Cook-MN (47.39, 91.03) | Cook-MN (47.98, 89.43) |
22 | 1891 | 8 | 2 | 2 | 2 | 17 | 89 | Berkshire-MA (42.10, 73.17) | Berkshire-MA (42.74, 73.02) | Litchfield-CT (41.47, 73.31) |
23 | 1840 | 18 | 1 | 7 | 1 | 25 | 64 | Cimarron-OK (36.75, 102.52) | Cimarron-OK (37.00, 103.00) | Cimarron-OK (36.50, 102.03) |
24 | 1831 | 18 | 1 | 7 | 1 | 21 | 85 | Coos-NH (44.70, 71.21) | Coos-NH (44.09, 71.34) | Coos-NH (45.31, 71.08) |
25 | 1744 | 8 | 2 | 2 | 2 | 23 | 84 | Somerset-PA (39.73, 79.08) | Somerset-PA (40.24, 78.66) | Garrett-MD (39.21, 79.49) |
26 | 1306 | 18 | 1 | 7 | 1 | 26 | 63 | Santa Clara-CA (37.20, 121.70) | Santa Clara-CA (37.43, 122.19) | Santa Clara-CA (36.96, 121.21) |
27 | 1278 | 18 | 1 | 7 | 1 | 30 | 52 | Price-WI (45.68, 90.36) | Price-WI (45.38, 90.68) | Price-WI (45.98, 90.04) |
28 | 1218 | 18 | 1 | 7 | 1 | 28 | 59 | Slope-ND (46.45, 103.49) | Slope-ND (46.63, 102.93) | Slope-ND (46.28, 104.05) |
29 | 1160 | 18 | 1 | 7 | 1 | 29 | 52 | Ulster-NY (41.87, 74.30) | Ulster-NY (41.59, 73.95) | Ulster-NY (42.02, 74.78) |
30 | 1048 | 18 | 1 | 7 | 1 | 31 | 51 | Baraga-MI (46.71, 88.36) | Baraga-MI (47.01, 88.04) | Baraga-MI (46.42, 88.68) |
31 | 953 | 18 | 1 | 7 | 1 | 32 | 44 | Kimball-NE (41.20, 103.72) | Kimball-NE (41.00, 104.05) | Kimball-NE (41.39, 103.38) |
32 | 915 | 18 | 1 | 7 | 1 | 33 | 43 | Wallace-KS (38.92, 101.76) | Wallace-KS (39.14, 101.48) | Wallace-KS (38.70, 102.05) |
33 | 898 | 8 | 2 | 7 | 1 | 27 | 61 | Grayson-VA (36.75, 81.34) | Grayson-VA (36.56, 80.84) | Smyth-VA (36.93, 81.84) |
34 | 740 | 18 | 1 | 7 | 1 | 35 | 40 | Boulder-CO (40.10, 105.38) | Boulder-CO (39.94, 105.69) | Boulder-CO (40.26, 105.06) |
35 | 698 | 18 | 1 | 7 | 1 | 38 | 38 | Pendleton-WV (38.68, 79.33) | Pendleton-WV (38.96, 79.35) | Pendleton-WV (38.41, 79.31) |
36 | 619 | 18 | 1 | 7 | 1 | 34 | 43 | Jo Daviess-IL (42.35, 90.29) | Jo Daviess-IL (42.49, 90.66) | Jo Daviess-IL (42.20, 89.92) |
37 | 537 | 18 | 1 | 7 | 1 | 39 | 34 | Sussex-NJ (41.14, 74.68) | Sussex-NJ (41.09, 74.99) | Sussex-NJ (41.20, 74.37) |
38 | 494 | 18 | 1 | 7 | 1 | 36 | 40 | New Castle-DE (39.56, 75.61) | New Castle-DE (39.83, 75.47) | New Castle-DE (39.30, 75.76) |
39 | 468 | 18 | 1 | 7 | 1 | 37 | 39 | Harlan-KY (36.82, 83.17) | Harlan-KY (36.98, 82.87) | Harlan-KY (36.66, 83.46) |
40 | 467 | 18 | 1 | 7 | 1 | 40 | 31 | Logan-OH (40.38, 83.77) | Logan-OH (40.23, 83.55) | Logan-OH (40.54, 83.99) |
41 | 435 | 18 | 1 | 7 | 1 | 41 | 30 | Providence-RI (41.87, 71.58) | Providence-RI (42.01, 71.80) | Providence-RI (41.78, 71.32) |
42 | 405 | 18 | 1 | 7 | 1 | 43 | 28 | Wayne-IN (39.87, 85.01) | Wayne-IN (40.01, 84.81) | Wayne-IN (39.72, 85.19) |
43 | 399 | 18 | 1 | 7 | 1 | 42 | 29 | Osceola-IA (43.38, 95.62) | Osceola-IA (43.26, 95.39) | Osceola-IA (43.50, 95.86) |
44 | 313 | 18 | 1 | 7 | 1 | 44 | 28 | Yancey-NC (35.89, 82.33) | Yancey-NC (36.08, 82.40) | Yancey-NC (35.70, 82.26) |
floating glob radius (miles) | center county and point | county 1 and point | county 2 and point | county 3 and point |
1 | 124 | San Bernardino-CA (35.35, 117.13) | Lincoln-NV (36.84, 115.89) | Pacific Ocean (33.98, 118.55) | Pacific Ocean (33.73, 118.09) |
2 | 45 | Cochise-AZ (32.12, 109.83) | Pinal-AZ (32.51, 110.45) | Santa Cruz-AZ (31.73, 110.45) | Greenlee-AZ (32.47, 109.17) |
3 | 32 | Chouteau-MT (47.89, 110.23) | Liberty-MT (48.13, 110.83) | Judith Basin-MT (47.42, 110.24) | Blaine-MT (47.87, 109.54) |
4 | 32 | Lincoln-NM (33.58, 105.45) | Socorro-NM (33.83, 105.92) | Chaves-NM (33.13, 105.32) | Chaves-NM (33.58, 104.89) |
5 | 38 | Denali-AK (63.81, 150.11) | Yukon-Koyukuk-AK (64.10, 151.19) | Matanuska-Susitna-AK (63.32, 149.56) | Yukon-Koyukuk-AK (64.36, 150.10) |
6 | 26 | Yakima-WA (46.43, 120.83) | Lewis-WA (46.41, 121.39) | Klickitat-WA (46.04, 120.83) | Kittitas-WA (46.74, 120.51) |
7 | 27 | Lincoln-MT (48.24, 115.61) | Boundary-ID (48.50, 116.05) | Shoshone-ID (47.97, 116.03) | Flathead-MT (48.23, 115.02) |
8 | 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) |
9 | 25 | Cibola-NM (34.94, 107.68) | McKinley-NM (35.30, 107.63) | McKinley-NM (35.30, 107.73) | Socorro-NM (34.58, 107.69) |
10 | 23 | Glacier-MT (48.67, 113.00) | Flathead-MT (48.55, 113.47) | Pondera-MT (48.48, 112.58) | Canada (49.00, 113.00) |
11 | 31 | Stevens-WA (48.39, 118.17) | Lincoln-WA (47.95, 118.21) | Pend Oreille-WA (48.39, 117.50) | Okanogan-WA (48.39, 118.84) |
12 | 22 | Piscataquis-ME (46.12, 69.28) | Somerset-ME (45.98, 69.68) | Penobscot-ME (46.12, 68.82) | Somerset-ME (46.12, 69.73) |
13 | 26 | Madison-MT (45.37, 111.92) | Gallatin-MT (45.35, 111.37) | Gallatin-MT (45.64, 111.54) | Beaverhead-MT (45.35, 112.46) |
14 | 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) |
15 | 26 | Wallowa-OR (45.53, 117.12) | Idaho-ID (45.83, 116.78) | Union-OR (45.34, 117.58) | Idaho-ID (45.37, 116.64) |
16 | 17 | Essex-NY (44.02, 73.78) | Addison-VT (44.04, 73.44) | Franklin-NY (44.14, 74.09) | Warren-NY (43.78, 73.74) |
17 | 12 | Whatcom-WA (48.82, 121.25) | Skagit-WA (48.64, 121.25) | Canada (49.00, 121.25) | Skagit-WA (48.64, 121.25) |
18 | 16 | Ravalli-MT (46.10, 114.13) | Idaho-ID (46.17, 114.44) | Idaho-ID (46.09, 114.46) | Granite-MT (46.05, 113.80) |
19 | 21 | El Paso-CO (38.82, 104.55) | Elbert-CO (39.13, 104.55) | Teller-CO (38.80, 104.94) | Pueblo-CO (38.52, 104.55) |
20 | 12 | Contra Costa-CA (38.01, 122.07) | Sacramento-CA (38.07, 121.86) | Napa-CA (38.15, 122.20) | Alameda-CA (37.88, 122.22) |
21 | 16 | Cook-MN (47.86, 90.67) | Great Lakes (47.66, 90.49) | Canada (48.10, 90.70) | Lake-MN (47.86, 91.02) |
22 | 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) |
23 | 17 | Cimarron-OK (36.75, 102.70) | Union-NM (36.75, 103.00) | Dallam-TX (36.50, 102.69) | Baca-CO (37.00, 102.69) |
24 | 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) |
25 | 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) |
26 | 14 | Santa Clara-CA (37.28, 121.72) | Stanislaus-CA (37.29, 121.46) | Alameda-CA (37.48, 121.72) | Santa Cruz-CA (37.10, 121.84) |
27 | 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) |
28 | 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) |
29 | 13 | Ulster-NY (41.82, 74.21) | Sullivan-NY (41.88, 74.45) | Orange-NY (41.63, 74.26) | Dutchess-NY (41.80, 73.95) |
30 | 13 | Baraga-MI (46.61, 88.40) | Iron-MI (46.42, 88.40) | Marquette-MI (46.61, 88.12) | Houghton-MI (46.61, 88.68) |
31 | 14 | Kimball-NE (41.20, 103.63) | Banner-NE (41.39, 103.64) | Weld-CO (41.00, 103.64) | Cheyenne-NE (41.20, 103.38) |
32 | 15 | Wallace-KS (38.92, 101.76) | Logan-KS (38.91, 101.48) | Sherman-KS (39.13, 101.76) | Greeley-KS (38.70, 101.76) |
33 | 11 | Smyth-VA (36.75, 81.47) | Washington-VA (36.64, 81.61) | Wythe-VA (36.81, 81.28) | Washington-VA (36.69, 81.65) |
34 | 12 | Boulder-CO (40.09, 105.29) | Gilpin-CO (39.93, 105.40) | Jefferson-CO (39.91, 105.29) | Larimer-CO (40.26, 105.28) |
35 | 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) |
36 | 11 | Jo Daviess-IL (42.35, 90.21) | Carroll-IL (42.20, 90.20) | Lafayette-WI (42.51, 90.21) | Jackson-IA (42.32, 90.42) |
37 | 10 | Sussex-NJ (41.17, 74.67) | Pike-PA (41.22, 74.86) | Morris-NJ (41.07, 74.52) | Orange-NY (41.30, 74.57) |
38 | 7 | New Castle-DE (39.71, 75.64) | Salem-NJ (39.65, 75.54) | Salem-NJ (39.69, 75.51) | Chester-PA (39.77, 75.74) |
39 | 8 | Harlan-KY (36.84, 83.25) | Leslie-KY (36.95, 83.31) | Lee-VA (36.74, 83.21) | Lee-VA (36.78, 83.13) |
40 | 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) |
41 | 10 | Providence-RI (41.87, 71.57) | Worcester-MA (42.01, 71.58) | Kent-RI (41.73, 71.56) | Bristol-MA (41.89, 71.38) |
42 | 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) |
43 | 8 | Osceola-IA (43.38, 95.55) | O'Brien-IA (43.26, 95.56) | Dickinson-IA (43.38, 95.39) | Nobles-MN (43.50, 95.55) |
44 | 7 | Yancey-NC (35.90, 82.30) | Buncombe-NC (35.82, 82.36) | Mitchell-NC (35.95, 82.20) | Mitchell-NC (35.99, 82.25) |