area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 212252 | 1 | 49 | 1 | 4 | 1 | 953 | Clark-NV (36.43, 114.68) | Cochise-AZ (31.33, 109.05) | Washoe-NV (41.99, 120.00) |
2 | 28509 | 13 | 4 | 7 | 2 | 2 | 325 | Coconino-AZ (36.22, 112.36) | Coconino-AZ (34.26, 110.75) | Iron-UT (38.15, 114.05) |
3 | 23056 | 3 | 13 | 12 | 1 | 3 | 289 | King-WA (47.74, 121.81) | Clallam-WA (48.49, 124.73) | Grant-WA (46.91, 118.98) |
4 | 19562 | 11 | 5 | 12 | 1 | 4 | 233 | Douglas-OR (43.38, 122.18) | Klamath-OR (41.99, 120.88) | Benton-OR (44.72, 123.60) |
5 | 17468 | 7 | 6 | 12 | 1 | 6 | 209 | Tehama-CA (39.92, 122.15) | Plumas-CA (39.77, 120.11) | Mendocino-CA (40.00, 124.02) |
6 | 7794 | 14 | 3 | 7 | 2 | 9 | 153 | Dona Ana-NM (32.09, 107.01) | El Paso-TX (31.42, 105.95) | Luna-NM (32.52, 108.23) |
7 | 7579 | 5 | 7 | 7 | 2 | 7 | 204 | Skamania-WA (46.06, 121.96) | Klickitat-WA (45.84, 119.87) | Clatsop-OR (46.25, 124.07) |
8 | 6783 | 4 | 10 | 1 | 4 | 5 | 228 | Pendleton-WV (38.65, 79.21) | Somerset-PA (40.28, 78.93) | Bedford-VA (37.01, 79.48) |
9 | 6309 | 2 | 15 | 1 | 4 | 8 | 161 | Washington-VA (36.64, 82.19) | Bland-VA (37.18, 80.86) | Lee-VA (36.60, 83.68) |
10 | 6193 | 22 | 1 | 12 | 1 | 11 | 118 | Brewster-TX (29.82, 103.30) | Brewster-TX (28.97, 103.15) | Brewster-TX (30.67, 103.44) |
11 | 4534 | 11 | 5 | 4 | 3 | 13 | 107 | Columbia-NY (42.17, 73.74) | Ulster-NY (41.75, 74.58) | Berkshire-MA (42.71, 72.95) |
12 | 4529 | 22 | 1 | 12 | 1 | 16 | 98 | Grant-OR (44.48, 118.98) | Grant-OR (43.96, 119.66) | Grant-OR (44.96, 118.24) |
13 | 4227 | 22 | 1 | 12 | 1 | 15 | 102 | Teton-WY (43.97, 110.67) | Teton-WY (43.38, 110.06) | Teton-WY (44.67, 111.06) |
14 | 3814 | 22 | 1 | 12 | 1 | 14 | 106 | Culberson-TX (31.33, 104.47) | Culberson-TX (30.66, 104.92) | Culberson-TX (32.00, 104.02) |
15 | 3248 | 22 | 1 | 12 | 1 | 20 | 83 | Duchesne-UT (40.31, 110.41) | Duchesne-UT (40.81, 109.98) | Duchesne-UT (39.81, 110.86) |
16 | 3159 | 14 | 3 | 12 | 1 | 12 | 109 | Atascosa-TX (28.93, 98.57) | Frio-TX (28.64, 99.41) | Wilson-TX (29.22, 97.73) |
17 | 2349 | 7 | 6 | 4 | 3 | 10 | 153 | Bucks-PA (40.33, 75.24) | Sussex-NJ (41.36, 74.70) | New Castle-DE (39.30, 75.76) |
18 | 2234 | 14 | 3 | 12 | 1 | 22 | 75 | Garfield-WA (46.30, 117.57) | Asotin-WA (46.00, 116.92) | Columbia-WA (46.59, 118.23) |
19 | 2204 | 22 | 1 | 12 | 1 | 25 | 73 | Taos-NM (36.55, 105.61) | Taos-NM (36.02, 105.51) | Taos-NM (37.00, 106.01) |
20 | 2186 | 14 | 3 | 12 | 1 | 19 | 85 | Lycoming-PA (41.21, 76.91) | Lycoming-PA (41.54, 77.60) | Columbia-PA (40.80, 76.31) |
21 | 2038 | 22 | 1 | 12 | 1 | 24 | 74 | Montezuma-CO (37.32, 108.51) | Montezuma-CO (37.00, 109.05) | Montezuma-CO (37.64, 107.97) |
22 | 1991 | 5 | 7 | 4 | 3 | 17 | 96 | Frederick-MD (39.35, 77.58) | City of Washington-DC (38.89, 76.91) | Washington-MD (39.72, 78.35) |
23 | 1915 | 22 | 1 | 12 | 1 | 28 | 67 | Essex-NY (44.18, 73.78) | Essex-NY (43.81, 74.21) | Essex-NY (44.55, 73.34) |
24 | 1840 | 22 | 1 | 12 | 1 | 29 | 64 | Cimarron-OK (36.75, 102.52) | Cimarron-OK (37.00, 103.00) | Cimarron-OK (36.50, 102.03) |
25 | 1831 | 22 | 1 | 12 | 1 | 18 | 85 | Coos-NH (44.70, 71.21) | Coos-NH (44.09, 71.34) | Coos-NH (45.31, 71.08) |
26 | 1787 | 7 | 6 | 12 | 1 | 30 | 63 | Page-VA (38.64, 78.36) | Shenandoah-VA (39.10, 78.34) | Greene-VA (38.18, 78.37) |
27 | 1780 | 14 | 3 | 12 | 1 | 23 | 74 | Cleburne-AL (33.53, 85.79) | Clay-AL (33.10, 86.17) | Cleburne-AL (33.96, 85.40) |
28 | 1633 | 14 | 3 | 7 | 2 | 21 | 79 | Swain-NC (35.53, 83.34) | Sevier-TN (36.04, 83.67) | Jackson-NC (35.03, 83.01) |
29 | 1292 | 22 | 1 | 12 | 1 | 27 | 70 | Maverick-TX (28.64, 100.39) | Maverick-TX (29.08, 100.67) | Maverick-TX (28.20, 100.11) |
30 | 1250 | 22 | 1 | 12 | 1 | 26 | 72 | Dare-NC (35.71, 75.74) | Dare-NC (35.19, 75.75) | Dare-NC (36.23, 75.77) |
31 | 1150 | 22 | 1 | 12 | 1 | 32 | 55 | Walton-FL (30.63, 86.19) | Walton-FL (30.27, 86.00) | Walton-FL (30.99, 86.39) |
32 | 1104 | 22 | 1 | 12 | 1 | 34 | 52 | Honolulu-HI (21.44, 157.97) | Honolulu-HI (21.60, 158.33) | Honolulu-HI (21.27, 157.60) |
33 | 731 | 22 | 1 | 12 | 1 | 33 | 52 | Logan-AR (35.19, 93.71) | Logan-AR (35.06, 94.14) | Logan-AR (35.32, 93.28) |
34 | 693 | 7 | 6 | 12 | 1 | 31 | 57 | Newport News-VA (37.13, 76.54) | Norfolk-VA (36.83, 76.19) | James City-VA (37.43, 76.89) |
35 | 500 | 20 | 2 | 7 | 2 | 36 | 39 | Yancey-NC (35.98, 82.29) | Yancey-NC (35.70, 82.26) | Unicoi-TN (36.26, 82.32) |
36 | 444 | 22 | 1 | 12 | 1 | 37 | 39 | Tishomingo-MS (34.73, 88.26) | Tishomingo-MS (34.46, 88.16) | Tishomingo-MS (35.00, 88.36) |
37 | 435 | 22 | 1 | 12 | 1 | 39 | 30 | Providence-RI (41.87, 71.58) | Providence-RI (42.01, 71.80) | Providence-RI (41.78, 71.32) |
38 | 415 | 20 | 2 | 12 | 1 | 35 | 43 | Fulton-GA (33.66, 84.36) | DeKalb-GA (33.97, 84.34) | Clayton-GA (33.35, 84.39) |
39 | 383 | 22 | 1 | 12 | 1 | 38 | 32 | Lake-CO (39.22, 106.36) | Lake-CO (39.38, 106.14) | Lake-CO (39.06, 106.58) |
40 | 344 | 22 | 1 | 12 | 1 | 40 | 25 | Cobb-GA (33.94, 84.58) | Cobb-GA (33.81, 84.72) | Cobb-GA (34.07, 84.42) |
41 | 92 | 22 | 1 | 12 | 1 | 42 | 15 | Baltimore City-MD (39.29, 76.62) | Baltimore City-MD (39.20, 76.55) | Baltimore City-MD (39.37, 76.71) |
42 | 34 | 22 | 1 | 12 | 1 | 41 | 15 | Boulder-CO (39.97, 105.06) | Broomfield-CO (40.04, 104.96) | Broomfield-CO (39.89, 105.17) |
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 (35.22, 116.85) | Lincoln-NV (36.84, 115.89) | Pacific Ocean (33.73, 118.09) | Mohave-AZ (35.50, 114.68) |
2 | 58 | Coconino-AZ (35.91, 111.78) | Yavapai-AZ (35.26, 112.44) | Navajo-AZ (35.91, 110.75) | Mohave-AZ (36.36, 112.66) |
3 | 45 | King-WA (47.64, 122.11) | Thurston-WA (47.19, 122.81) | Chelan-WA (47.65, 121.13) | Skagit-WA (48.30, 122.11) |
4 | 45 | Lane-OR (43.55, 122.88) | Coos-OR (43.42, 123.76) | Jackson-OR (42.94, 122.56) | Linn-OR (44.20, 122.91) |
5 | 46 | Shasta-CA (40.35, 122.67) | Siskiyou-CA (40.99, 122.92) | Humboldt-CA (40.36, 123.54) | Butte-CA (39.88, 122.05) |
6 | 32 | Dona Ana-NM (32.25, 106.93) | Otero-NM (32.25, 106.38) | Sierra-NM (32.61, 107.30) | Mexico (31.78, 106.93) |
7 | 23 | Clackamas-OR (45.22, 122.21) | Clark-WA (45.54, 122.27) | Marion-OR (44.89, 122.21) | Wasco-OR (45.20, 121.75) |
8 | 17 | Nelson-VA (37.80, 79.03) | Buckingham-VA (37.63, 78.82) | Albemarle-VA (37.89, 78.75) | Buena Vista-VA (37.76, 79.33) |
9 | 15 | Smyth-VA (36.81, 81.58) | Ashe-NC (36.59, 81.60) | Wythe-VA (36.94, 81.37) | Russell-VA (36.96, 81.78) |
10 | 34 | Brewster-TX (29.88, 103.23) | Presidio-TX (29.88, 103.80) | Mexico (29.64, 102.74) | Pecos-TX (30.27, 102.87) |
11 | 17 | Ulster-NY (41.87, 74.12) | Columbia-NY (42.08, 73.93) | Sullivan-NY (41.88, 74.45) | Orange-NY (41.62, 74.13) |
12 | 30 | Grant-OR (44.47, 119.05) | Baker-OR (44.66, 118.50) | Wheeler-OR (44.47, 119.65) | Baker-OR (44.29, 118.50) |
13 | 25 | Teton-WY (43.71, 110.55) | Sublette-WY (43.38, 110.34) | Fremont-WY (43.71, 110.05) | Teton-ID (43.71, 111.05) |
14 | 25 | Culberson-TX (31.63, 104.49) | Eddy-NM (32.00, 104.48) | Hudspeth-TX (31.63, 104.91) | Reeves-TX (31.61, 104.06) |
15 | 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) |
16 | 18 | Atascosa-TX (28.91, 98.60) | Bexar-TX (29.14, 98.49) | Medina-TX (29.09, 98.80) | McMullen-TX (28.65, 98.59) |
17 | 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) |
18 | 20 | Garfield-WA (46.29, 117.59) | Whitman-WA (46.42, 117.21) | Walla Walla-WA (46.21, 117.99) | Wallowa-OR (46.00, 117.59) |
19 | 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) |
20 | 15 | Lycoming-PA (41.34, 77.08) | Union-PA (41.15, 76.96) | Tioga-PA (41.55, 77.09) | Clinton-PA (41.20, 77.29) |
21 | 21 | Montezuma-CO (37.32, 108.66) | La Plata-CO (37.21, 108.30) | Dolores-CO (37.63, 108.67) | San Juan-UT (37.32, 109.05) |
22 | 14 | Frederick-MD (39.50, 77.51) | Carroll-MD (39.62, 77.31) | Jefferson-WV (39.50, 77.77) | Loudoun-VA (39.31, 77.57) |
23 | 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) |
24 | 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) |
25 | 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) |
26 | 17 | Page-VA (38.77, 78.42) | Rockingham-VA (38.60, 78.64) | Fauquier-VA (38.86, 78.13) | Hardy-WV (38.97, 78.60) |
27 | 15 | Cleburne-AL (33.74, 85.61) | Cherokee-AL (33.94, 85.53) | Talladega-AL (33.59, 85.79) | Haralson-GA (33.77, 85.36) |
28 | 13 | Swain-NC (35.57, 83.43) | Haywood-NC (35.70, 83.25) | Cocke-TN (35.71, 83.28) | Graham-NC (35.43, 83.59) |
29 | 13 | Maverick-TX (28.89, 100.33) | Kinney-TX (29.09, 100.34) | Mexico (28.80, 100.53) | Zavala-TX (28.89, 100.11) |
30 | 12 | Dare-NC (35.83, 75.79) | Hyde-NC (35.67, 75.90) | Atlantic Ocean (35.90, 75.59) | Tyrrell-NC (35.91, 75.99) |
31 | 13 | Walton-FL (30.54, 86.17) | Holmes-FL (30.70, 86.04) | Okaloosa-FL (30.55, 86.39) | Washington-FL (30.43, 85.98) |
32 | 14 | Honolulu-HI (21.47, 158.01) | Pacific Ocean (21.26, 157.98) | Pacific Ocean (21.61, 157.84) | Pacific Ocean (21.63, 158.15) |
33 | 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) |
34 | 7 | James City-VA (37.31, 76.75) | Gloucester-VA (37.36, 76.64) | Charles City-VA (37.30, 76.87) | Surry-VA (37.22, 76.81) |
35 | 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) |
36 | 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) |
37 | 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) |
38 | 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) |
39 | 8 | Lake-CO (39.18, 106.34) | Pitkin-CO (39.20, 106.49) | Chaffee-CO (39.06, 106.34) | Park-CO (39.19, 106.19) |
40 | 8 | Cobb-GA (33.96, 84.58) | Fulton-GA (33.91, 84.45) | Cherokee-GA (34.08, 84.58) | Paulding-GA (33.95, 84.72) |
41 | 4 | Baltimore City-MD (39.31, 76.61) | Baltimore-MD (39.37, 76.61) | Baltimore-MD (39.25, 76.65) | Baltimore-MD (39.31, 76.53) |
42 | 1 | Broomfield-CO (39.94, 105.05) | Boulder-CO (39.95, 105.07) | Adams-CO (39.92, 105.03) | Boulder-CO (39.96, 105.05) |