area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 391191 | 1 | 78 | 1 | 5 | 1 | 1087 | Clark-NV (36.84, 115.85) | Siskiyou-CA (41.89, 123.64) | Cochise-AZ (31.33, 109.05) |
2 | 39182 | 3 | 7 | 9 | 1 | 2 | 324 | Natrona-WY (42.78, 107.40) | Albany-WY (41.00, 105.28) | Big Horn-WY (45.00, 108.62) |
3 | 22936 | 4 | 5 | 3 | 2 | 3 | 319 | Otero-NM (32.81, 105.94) | Culberson-TX (31.11, 104.10) | Socorro-NM (34.58, 107.72) |
4 | 12709 | 4 | 5 | 2 | 3 | 5 | 227 | Bonner-ID (48.09, 116.17) | Sanders-MT (47.14, 114.19) | Stevens-WA (49.00, 118.22) |
5 | 10062 | 2 | 12 | 9 | 1 | 7 | 167 | Douglas-CO (39.43, 105.09) | Lake-CO (39.06, 106.58) | Adams-CO (40.00, 103.71) |
6 | 8522 | 8 | 3 | 9 | 1 | 4 | 274 | Maui-HI (20.54, 156.54) | Honolulu-HI (21.60, 158.33) | Hawaii-HI (19.45, 154.77) |
7 | 6193 | 18 | 1 | 9 | 1 | 10 | 118 | Brewster-TX (29.82, 103.30) | Brewster-TX (28.97, 103.15) | Brewster-TX (30.67, 103.44) |
8 | 6118 | 10 | 2 | 9 | 1 | 6 | 168 | Yakima-WA (46.73, 121.32) | Pierce-WA (47.40, 122.80) | Yakima-WA (46.04, 119.87) |
9 | 4938 | 18 | 1 | 9 | 1 | 13 | 111 | Custer-ID (44.20, 114.32) | Custer-ID (43.80, 113.36) | Custer-ID (44.61, 115.28) |
10 | 4622 | 6 | 4 | 9 | 1 | 8 | 127 | Langlade-WI (45.11, 89.08) | Oconto-WI (44.99, 87.76) | Marathon-WI (44.69, 90.32) |
11 | 4380 | 18 | 1 | 9 | 1 | 11 | 115 | Piscataquis-ME (45.80, 69.27) | Piscataquis-ME (45.01, 69.62) | Piscataquis-ME (46.57, 68.82) |
12 | 3440 | 10 | 2 | 9 | 1 | 16 | 93 | Miami-Dade-FL (25.76, 80.49) | Miami-Dade-FL (25.14, 80.80) | Broward-FL (26.32, 80.07) |
13 | 2999 | 8 | 3 | 3 | 2 | 14 | 110 | Essex-NY (44.33, 73.38) | Essex-NY (43.92, 74.34) | Lamoille-VT (44.72, 72.42) |
14 | 2812 | 18 | 1 | 9 | 1 | 15 | 95 | Park-MT (45.54, 110.42) | Park-MT (46.19, 110.78) | Park-MT (45.00, 109.80) |
15 | 2786 | 18 | 1 | 9 | 1 | 12 | 112 | Pennington-SD (44.12, 102.99) | Pennington-SD (44.51, 102.00) | Pennington-SD (43.85, 104.06) |
16 | 2497 | 18 | 1 | 9 | 1 | 9 | 123 | Whatcom-WA (48.87, 121.99) | Whatcom-WA (49.00, 123.32) | Whatcom-WA (48.72, 120.65) |
17 | 2415 | 10 | 2 | 9 | 1 | 20 | 76 | Clackamas-OR (45.38, 122.10) | Clackamas-OR (45.13, 122.79) | Hood River-OR (45.70, 121.44) |
18 | 2204 | 18 | 1 | 9 | 1 | 22 | 73 | Taos-NM (36.55, 105.61) | Taos-NM (36.02, 105.51) | Taos-NM (37.00, 106.01) |
19 | 2196 | 18 | 1 | 9 | 1 | 21 | 76 | Snohomish-WA (48.05, 121.72) | Snohomish-WA (48.17, 120.91) | Snohomish-WA (47.78, 122.44) |
20 | 1912 | 18 | 1 | 9 | 1 | 23 | 73 | Santa Fe-NM (35.52, 105.98) | Santa Fe-NM (36.00, 105.72) | Santa Fe-NM (35.04, 106.24) |
21 | 1891 | 10 | 2 | 3 | 2 | 17 | 89 | Berkshire-MA (42.10, 73.17) | Berkshire-MA (42.74, 73.02) | Litchfield-CT (41.47, 73.31) |
22 | 1840 | 18 | 1 | 9 | 1 | 25 | 64 | Cimarron-OK (36.75, 102.52) | Cimarron-OK (37.00, 103.00) | Cimarron-OK (36.50, 102.03) |
23 | 1831 | 18 | 1 | 9 | 1 | 18 | 85 | Coos-NH (44.70, 71.21) | Coos-NH (44.09, 71.34) | Coos-NH (45.31, 71.08) |
24 | 1751 | 10 | 2 | 9 | 1 | 27 | 63 | Santa Clara-CA (37.14, 121.74) | Santa Clara-CA (37.43, 122.19) | Santa Clara-CA (36.96, 121.21) |
25 | 1744 | 10 | 2 | 3 | 2 | 19 | 84 | Somerset-PA (39.73, 79.08) | Somerset-PA (40.24, 78.66) | Garrett-MD (39.21, 79.49) |
26 | 1651 | 6 | 4 | 3 | 2 | 26 | 63 | Jefferson-MO (38.44, 90.42) | Saint Louis-MO (38.89, 90.31) | Jefferson-MO (38.01, 90.63) |
27 | 1278 | 18 | 1 | 9 | 1 | 31 | 52 | Price-WI (45.68, 90.36) | Price-WI (45.38, 90.68) | Price-WI (45.98, 90.04) |
28 | 1182 | 10 | 2 | 9 | 1 | 24 | 66 | Menard-IL (40.09, 89.73) | Mason-IL (40.12, 90.36) | Logan-IL (39.92, 89.14) |
29 | 1125 | 10 | 2 | 3 | 2 | 28 | 62 | Bristol-MA (41.79, 71.28) | Providence-RI (42.01, 71.80) | Bristol-MA (41.57, 70.76) |
30 | 1124 | 18 | 1 | 9 | 1 | 29 | 56 | Hinsdale-CO (37.80, 107.29) | Hinsdale-CO (38.15, 107.00) | Hinsdale-CO (37.42, 107.48) |
31 | 1048 | 18 | 1 | 9 | 1 | 32 | 51 | Baraga-MI (46.71, 88.36) | Baraga-MI (47.01, 88.04) | Baraga-MI (46.42, 88.68) |
32 | 1001 | 18 | 1 | 9 | 1 | 30 | 52 | Jackson-WI (44.34, 90.78) | Jackson-WI (44.16, 90.31) | Jackson-WI (44.60, 91.17) |
33 | 997 | 18 | 1 | 9 | 1 | 35 | 46 | Champaign-IL (40.14, 88.20) | Champaign-IL (39.88, 88.46) | Champaign-IL (40.40, 87.93) |
34 | 979 | 18 | 1 | 9 | 1 | 33 | 48 | Todd-MN (46.07, 94.90) | Todd-MN (46.37, 95.16) | Todd-MN (45.77, 94.64) |
35 | 953 | 18 | 1 | 9 | 1 | 36 | 44 | Kimball-NE (41.20, 103.72) | Kimball-NE (41.00, 104.05) | Kimball-NE (41.39, 103.38) |
36 | 915 | 18 | 1 | 9 | 1 | 38 | 43 | Wallace-KS (38.92, 101.76) | Wallace-KS (39.14, 101.48) | Wallace-KS (38.70, 102.05) |
37 | 822 | 18 | 1 | 9 | 1 | 42 | 41 | Bienville-LA (32.34, 93.09) | Bienville-LA (32.45, 92.78) | Bienville-LA (32.24, 93.43) |
38 | 776 | 18 | 1 | 9 | 1 | 41 | 41 | Dickinson-MI (46.00, 87.87) | Dickinson-MI (45.72, 87.70) | Dickinson-MI (46.25, 88.12) |
39 | 715 | 18 | 1 | 9 | 1 | 47 | 37 | Christian-IL (39.55, 89.28) | Christian-IL (39.80, 89.14) | Christian-IL (39.35, 89.53) |
40 | 698 | 18 | 1 | 9 | 1 | 46 | 38 | Pendleton-WV (38.68, 79.33) | Pendleton-WV (38.96, 79.35) | Pendleton-WV (38.41, 79.31) |
41 | 689 | 18 | 1 | 9 | 1 | 43 | 41 | Columbia-OR (45.94, 123.06) | Columbia-OR (45.73, 122.76) | Columbia-OR (46.15, 123.36) |
42 | 679 | 18 | 1 | 9 | 1 | 48 | 37 | Essex-MA (42.65, 70.91) | Essex-MA (42.64, 70.55) | Essex-MA (42.74, 71.26) |
43 | 644 | 18 | 1 | 9 | 1 | 49 | 36 | Outagamie-WI (44.42, 88.47) | Outagamie-WI (44.24, 88.19) | Outagamie-WI (44.59, 88.74) |
44 | 619 | 18 | 1 | 9 | 1 | 39 | 43 | Jo Daviess-IL (42.35, 90.29) | Jo Daviess-IL (42.49, 90.66) | Jo Daviess-IL (42.20, 89.92) |
45 | 616 | 18 | 1 | 9 | 1 | 40 | 43 | Lee-AL (32.60, 85.35) | Lee-AL (32.70, 85.70) | Lee-AL (32.51, 85.00) |
46 | 608 | 18 | 1 | 9 | 1 | 50 | 35 | Sheboygan-WI (43.72, 87.91) | Sheboygan-WI (43.54, 88.16) | Sheboygan-WI (43.89, 87.66) |
47 | 561 | 18 | 1 | 9 | 1 | 37 | 44 | Cleburne-AL (33.69, 85.60) | Cleburne-AL (33.96, 85.40) | Cleburne-AL (33.47, 85.89) |
48 | 552 | 18 | 1 | 9 | 1 | 34 | 46 | Reynolds-MO (37.51, 90.85) | Iron-MO (37.74, 91.15) | Iron-MO (37.27, 90.55) |
49 | 537 | 18 | 1 | 9 | 1 | 52 | 34 | Sussex-NJ (41.14, 74.68) | Sussex-NJ (41.09, 74.99) | Sussex-NJ (41.20, 74.37) |
50 | 494 | 18 | 1 | 9 | 1 | 44 | 40 | New Castle-DE (39.56, 75.61) | New Castle-DE (39.83, 75.47) | New Castle-DE (39.30, 75.76) |
51 | 444 | 18 | 1 | 9 | 1 | 45 | 39 | Tishomingo-MS (34.73, 88.26) | Tishomingo-MS (34.46, 88.16) | Tishomingo-MS (35.00, 88.36) |
52 | 435 | 18 | 1 | 9 | 1 | 53 | 34 | Kewaunee-WI (44.50, 87.53) | Kewaunee-WI (44.33, 87.77) | Kewaunee-WI (44.68, 87.29) |
53 | 422 | 18 | 1 | 9 | 1 | 55 | 31 | Union-IL (37.46, 89.27) | Union-IL (37.57, 89.52) | Union-IL (37.33, 89.04) |
54 | 399 | 18 | 1 | 9 | 1 | 57 | 29 | Osceola-IA (43.38, 95.62) | Osceola-IA (43.26, 95.39) | Osceola-IA (43.50, 95.86) |
55 | 376 | 18 | 1 | 9 | 1 | 56 | 30 | Jersey-IL (39.11, 90.35) | Jersey-IL (38.96, 90.54) | Jersey-IL (39.26, 90.15) |
56 | 349 | 18 | 1 | 9 | 1 | 51 | 35 | Orleans-LA (30.03, 89.88) | Orleans-LA (30.15, 89.63) | Orleans-LA (29.92, 90.14) |
57 | 335 | 18 | 1 | 9 | 1 | 58 | 29 | Milwaukee-WI (43.02, 87.91) | Milwaukee-WI (43.19, 88.06) | Milwaukee-WI (42.84, 87.75) |
58 | 304 | 18 | 1 | 9 | 1 | 54 | 32 | Sagadahoc-ME (43.93, 69.85) | Sagadahoc-ME (43.70, 69.84) | Sagadahoc-ME (44.17, 69.86) |
59 | 68 | 18 | 1 | 9 | 1 | 59 | 14 | City of Washington-DC (38.89, 77.04) | City of Washington-DC (38.79, 77.04) | City of Washington-DC (39.00, 77.04) |
floating glob radius (miles) | center county and point | county 1 and point | county 2 and point | county 3 and point |
1 | 233 | Clark-NV (36.08, 114.27) | Emery-UT (38.50, 111.31) | Fresno-CA (36.75, 118.37) | Mexico (32.72, 114.72) |
2 | 52 | Carbon-WY (41.75, 106.50) | Sweetwater-WY (41.76, 107.51) | Jackson-CO (41.00, 106.50) | Converse-WY (42.43, 106.08) |
3 | 42 | Lincoln-NM (33.66, 105.68) | Chaves-NM (33.13, 105.32) | Torrance-NM (34.26, 105.68) | Sierra-NM (33.48, 106.37) |
4 | 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) |
5 | 23 | Park-CO (39.24, 105.82) | Eagle-CO (39.39, 106.20) | Chaffee-CO (38.99, 106.11) | Jefferson-CO (39.24, 105.40) |
6 | 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) |
7 | 34 | Brewster-TX (29.88, 103.23) | Presidio-TX (29.88, 103.80) | Mexico (29.64, 102.74) | Pecos-TX (30.27, 102.87) |
8 | 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) |
9 | 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) |
10 | 16 | Langlade-WI (45.35, 88.76) | Oneida-WI (45.46, 89.05) | Menominee-WI (45.12, 88.76) | Marinette-WI (45.38, 88.43) |
11 | 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) |
12 | 24 | Broward-FL (25.99, 80.50) | Palm Beach-FL (26.33, 80.50) | Collier-FL (25.99, 80.87) | Atlantic Ocean (25.98, 80.12) |
13 | 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) |
14 | 18 | Park-MT (45.25, 110.59) | Gallatin-MT (45.35, 110.92) | Park-WY (44.99, 110.59) | Sweet Grass-MT (45.25, 110.23) |
15 | 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) |
16 | 12 | Whatcom-WA (48.82, 121.25) | Skagit-WA (48.64, 121.25) | Canada (49.00, 121.25) | Skagit-WA (48.64, 121.25) |
17 | 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) |
18 | 17 | Taos-NM (36.75, 105.67) | Colfax-NM (36.68, 105.37) | Costilla-CO (37.00, 105.67) | Rio Arriba-NM (36.72, 105.98) |
19 | 18 | Snohomish-WA (48.04, 121.62) | Skagit-WA (48.30, 121.58) | Skagit-WA (48.30, 121.62) | King-WA (47.78, 121.62) |
20 | 15 | Santa Fe-NM (35.34, 105.98) | Sandoval-NM (35.34, 106.25) | Sandoval-NM (35.30, 106.25) | San Miguel-NM (35.34, 105.72) |
21 | 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) |
22 | 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) |
23 | 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) |
24 | 18 | Santa Clara-CA (37.21, 121.78) | Pacific Ocean (36.98, 121.93) | Stanislaus-CA (37.25, 121.46) | Alameda-CA (37.45, 121.92) |
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 | 17 | Jefferson-MO (38.32, 90.44) | Sainte Genevieve-MO (38.09, 90.33) | Saint Clair-IL (38.49, 90.22) | Franklin-MO (38.36, 90.75) |
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 | Logan-IL (40.13, 89.37) | McLean-IL (40.28, 89.26) | Menard-IL (40.09, 89.58) | De Witt-IL (40.14, 89.15) |
29 | 10 | Providence-RI (41.87, 71.55) | Kent-RI (41.76, 71.44) | Worcester-MA (42.01, 71.56) | Kent-RI (41.73, 71.55) |
30 | 11 | Hinsdale-CO (37.98, 107.33) | Ouray-CO (38.06, 107.51) | San Juan-CO (37.94, 107.53) | Mineral-CO (37.94, 107.14) |
31 | 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) |
32 | 11 | Jackson-WI (44.31, 90.95) | Clark-WI (44.42, 90.80) | Trempealeau-WI (44.31, 91.17) | Monroe-WI (44.16, 90.91) |
33 | 14 | Champaign-IL (40.08, 88.20) | Douglas-IL (39.88, 88.20) | Vermilion-IL (40.08, 87.94) | Piatt-IL (40.08, 88.46) |
34 | 12 | Todd-MN (45.97, 94.90) | Douglas-MN (45.97, 95.15) | Douglas-MN (45.93, 95.14) | Morrison-MN (45.97, 94.65) |
35 | 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) |
36 | 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) |
37 | 12 | Bienville-LA (32.32, 93.01) | Webster-LA (32.45, 93.15) | Natchitoches-LA (32.15, 93.01) | Lincoln-LA (32.45, 92.88) |
38 | 12 | Dickinson-MI (46.03, 87.87) | Iron-MI (46.03, 88.12) | Menominee-MI (45.90, 87.70) | Marquette-MI (46.03, 87.62) |
39 | 12 | Christian-IL (39.53, 89.30) | Macon-IL (39.66, 89.14) | Sangamon-IL (39.64, 89.48) | Montgomery-IL (39.35, 89.30) |
40 | 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) |
41 | 12 | Columbia-OR (45.96, 123.11) | Clatsop-OR (45.96, 123.36) | Washington-OR (45.78, 123.11) | Cowlitz-WA (46.03, 122.88) |
42 | 10 | Essex-MA (42.62, 70.84) | Atlantic Ocean (42.71, 70.70) | Middlesex-MA (42.57, 71.03) | Atlantic Ocean (42.52, 70.70) |
43 | 12 | Outagamie-WI (44.42, 88.50) | Waupaca-WI (44.42, 88.74) | Winnebago-WI (44.24, 88.49) | Shawano-WI (44.59, 88.49) |
44 | 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) |
45 | 9 | Lee-AL (32.60, 85.25) | Harris-GA (32.64, 85.11) | Chambers-AL (32.73, 85.28) | Russell-AL (32.47, 85.25) |
46 | 12 | Sheboygan-WI (43.72, 87.92) | Fond Du Lac-WI (43.72, 88.16) | Ozaukee-WI (43.54, 87.92) | Manitowoc-WI (43.89, 87.92) |
47 | 9 | Cleburne-AL (33.62, 85.49) | Randolph-AL (33.49, 85.49) | Carroll-GA (33.64, 85.34) | Calhoun-AL (33.65, 85.64) |
48 | 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) |
49 | 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) |
50 | 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) |
51 | 7 | Tishomingo-MS (34.84, 88.24) | Lauderdale-AL (34.91, 88.15) | Alcorn-MS (34.84, 88.37) | Colbert-AL (34.83, 88.11) |
52 | 9 | Kewaunee-WI (44.55, 87.58) | Brown-WI (44.55, 87.76) | Great Lakes (44.50, 87.41) | Door-WI (44.68, 87.58) |
53 | 9 | Union-IL (37.47, 89.21) | Johnson-IL (37.47, 89.04) | Jackson-IL (37.60, 89.22) | Pulaski-IL (37.33, 89.21) |
54 | 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) |
55 | 7 | Jersey-IL (39.07, 90.38) | Saint Charles-MO (38.96, 90.41) | Madison-IL (39.00, 90.27) | Greene-IL (39.17, 90.38) |
56 | 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) |
57 | 7 | Milwaukee-WI (42.95, 87.92) | Racine-WI (42.84, 87.93) | Great Lakes (43.02, 87.82) | Waukesha-WI (42.95, 88.07) |
58 | 5 | Sagadahoc-ME (44.02, 69.92) | Cumberland-ME (43.95, 69.87) | Lincoln-ME (44.03, 69.81) | Androscoggin-ME (44.04, 70.03) |
59 | 3 | City of Washington-DC (38.89, 76.99) | Prince George's-MD (38.92, 76.95) | Arlington-VA (38.87, 77.04) | Prince George's-MD (38.86, 76.95) |