area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 109093 | 3 | 23 | 3 | 2 | 1 | 648 | Juab-UT (39.61, 114.00) | Humboldt-NV (41.99, 119.32) | San Juan-UT (37.00, 109.05) |
2 | 51904 | 1 | 67 | 1 | 4 | 2 | 527 | Columbia-WI (43.50, 89.30) | Douglas-WI (46.72, 92.19) | Tippecanoe-IN (40.21, 86.70) |
3 | 19285 | 2 | 51 | 1 | 4 | 3 | 314 | Stephens-GA (34.57, 83.37) | Troup-GA (32.87, 85.18) | Watauga-NC (36.24, 81.48) |
4 | 12924 | 12 | 2 | 6 | 1 | 4 | 237 | Yavapai-AZ (34.51, 111.65) | Yavapai-AZ (35.53, 113.33) | Gila-AZ (33.47, 110.00) |
5 | 8028 | 17 | 1 | 6 | 1 | 5 | 145 | Clark-NV (36.05, 114.97) | Clark-NV (36.84, 115.89) | Clark-NV (35.00, 114.63) |
6 | 5752 | 7 | 3 | 3 | 2 | 6 | 132 | Oxford-ME (44.73, 70.77) | Franklin-ME (45.67, 70.55) | Oxford-ME (43.79, 70.97) |
7 | 5351 | 6 | 6 | 6 | 1 | 7 | 126 | Grand-CO (39.82, 106.09) | Boulder-CO (40.26, 105.06) | Eagle-CO (39.37, 107.11) |
8 | 5156 | 5 | 7 | 6 | 1 | 11 | 113 | Saluda-SC (34.05, 81.58) | Richland-SC (33.75, 80.61) | Laurens-SC (34.79, 82.15) |
9 | 4942 | 4 | 10 | 6 | 1 | 10 | 114 | Guilford-NC (36.02, 79.94) | Caswell-NC (36.54, 79.14) | Rowan-NC (35.51, 80.74) |
10 | 4380 | 17 | 1 | 6 | 1 | 9 | 115 | Piscataquis-ME (45.80, 69.27) | Piscataquis-ME (45.01, 69.62) | Piscataquis-ME (46.57, 68.82) |
11 | 4170 | 7 | 3 | 6 | 1 | 8 | 117 | Hancock-ME (44.54, 68.70) | Hancock-ME (45.26, 68.06) | Knox-ME (43.82, 69.33) |
12 | 1895 | 7 | 3 | 6 | 1 | 13 | 82 | Wake-NC (35.88, 78.35) | Nash-NC (36.15, 77.70) | Wake-NC (35.61, 79.00) |
13 | 1892 | 7 | 3 | 6 | 1 | 14 | 82 | Chittenden-VT (44.25, 72.92) | Lamoille-VT (44.72, 72.42) | Addison-VT (43.75, 73.36) |
14 | 1527 | 17 | 1 | 6 | 1 | 19 | 59 | Ontonagon-MI (46.75, 89.31) | Ontonagon-MI (46.33, 89.37) | Ontonagon-MI (47.14, 88.93) |
15 | 1500 | 17 | 1 | 6 | 1 | 12 | 89 | Placer-CA (39.03, 120.75) | Placer-CA (39.32, 120.01) | Placer-CA (38.73, 121.48) |
16 | 1407 | 7 | 3 | 6 | 1 | 18 | 62 | Washington-IN (38.69, 85.97) | Jackson-IN (39.05, 86.32) | Clark-IN (38.27, 85.74) |
17 | 1250 | 17 | 1 | 6 | 1 | 16 | 72 | Dare-NC (35.71, 75.74) | Dare-NC (35.19, 75.75) | Dare-NC (36.23, 75.77) |
18 | 1177 | 12 | 2 | 3 | 2 | 17 | 62 | Goodhue-MN (44.67, 92.72) | Pierce-WI (44.86, 92.14) | Dakota-MN (44.47, 93.28) |
19 | 1168 | 12 | 2 | 6 | 1 | 15 | 74 | Cleburne-AL (33.53, 85.79) | Clay-AL (33.10, 86.17) | Cleburne-AL (33.96, 85.40) |
20 | 945 | 17 | 1 | 6 | 1 | 24 | 44 | Litchfield-CT (41.78, 73.24) | Litchfield-CT (42.04, 73.01) | Litchfield-CT (41.49, 73.44) |
21 | 858 | 12 | 2 | 6 | 1 | 23 | 46 | Randolph-IN (40.02, 85.01) | Randolph-IN (40.31, 84.80) | Wayne-IN (39.72, 85.19) |
22 | 783 | 17 | 1 | 6 | 1 | 20 | 50 | Schuylkill-PA (40.70, 76.23) | Schuylkill-PA (40.74, 75.76) | Schuylkill-PA (40.66, 76.70) |
23 | 776 | 17 | 1 | 6 | 1 | 27 | 41 | Dickinson-MI (46.00, 87.87) | Dickinson-MI (45.72, 87.70) | Dickinson-MI (46.25, 88.12) |
24 | 698 | 17 | 1 | 6 | 1 | 31 | 38 | Pendleton-WV (38.68, 79.33) | Pendleton-WV (38.96, 79.35) | Pendleton-WV (38.41, 79.31) |
25 | 664 | 17 | 1 | 6 | 1 | 22 | 47 | Garrett-MD (39.46, 79.20) | Garrett-MD (39.72, 78.91) | Garrett-MD (39.21, 79.49) |
26 | 640 | 17 | 1 | 6 | 1 | 28 | 39 | Union-NC (35.01, 80.54) | Union-NC (34.82, 80.80) | Union-NC (35.20, 80.28) |
27 | 619 | 17 | 1 | 6 | 1 | 26 | 42 | Muskegon-MI (43.34, 86.16) | Muskegon-MI (43.47, 86.53) | Muskegon-MI (43.21, 85.79) |
28 | 613 | 17 | 1 | 6 | 1 | 25 | 42 | La Porte-IN (41.50, 86.73) | La Porte-IN (41.76, 86.52) | La Porte-IN (41.24, 86.93) |
29 | 575 | 17 | 1 | 6 | 1 | 30 | 39 | Hamilton-TN (35.19, 85.23) | Hamilton-TN (35.41, 85.02) | Hamilton-TN (34.98, 85.47) |
30 | 517 | 12 | 2 | 6 | 1 | 21 | 47 | Boone-KY (38.81, 84.67) | Grant-KY (38.47, 84.58) | Boone-KY (39.15, 84.75) |
31 | 468 | 17 | 1 | 6 | 1 | 29 | 39 | Harlan-KY (36.82, 83.17) | Harlan-KY (36.98, 82.87) | Harlan-KY (36.66, 83.46) |
32 | 418 | 17 | 1 | 6 | 1 | 32 | 34 | Sandusky-OH (41.37, 83.13) | Sandusky-OH (41.26, 82.84) | Sandusky-OH (41.50, 83.41) |
33 | 373 | 17 | 1 | 6 | 1 | 34 | 30 | Decatur-IN (39.29, 85.49) | Decatur-IN (39.13, 85.69) | Decatur-IN (39.45, 85.30) |
34 | 335 | 17 | 1 | 6 | 1 | 33 | 34 | Lake-OH (41.74, 81.25) | Lake-OH (41.90, 81.00) | Lake-OH (41.57, 81.49) |
35 | 318 | 17 | 1 | 6 | 1 | 36 | 27 | Rockcastle-KY (37.35, 84.31) | Rockcastle-KY (37.15, 84.29) | Rockcastle-KY (37.54, 84.34) |
36 | 308 | 17 | 1 | 6 | 1 | 37 | 25 | Columbia-GA (33.54, 82.25) | Columbia-GA (33.64, 82.44) | Columbia-GA (33.55, 82.03) |
37 | 305 | 17 | 1 | 6 | 1 | 35 | 28 | Somerset-NJ (40.57, 74.63) | Somerset-NJ (40.38, 74.72) | Somerset-NJ (40.76, 74.56) |
38 | 43 | 17 | 1 | 6 | 1 | 38 | 9 | Roanoke city-VA (37.28, 79.96) | Roanoke city-VA (37.30, 79.88) | Roanoke city-VA (37.25, 80.04) |
39 | 12 | 17 | 1 | 6 | 1 | 39 | 8 | Bristol-VA (36.61, 82.17) | Bristol-VA (36.63, 82.11) | Bristol-VA (36.60, 82.24) |
40 | 9 | 17 | 1 | 6 | 1 | 40 | 5 | Winchester-VA (39.17, 78.18) | Winchester-VA (39.13, 78.18) | Winchester-VA (39.20, 78.16) |
41 | 9 | 17 | 1 | 6 | 1 | 41 | 4 | Staunton-VA (38.16, 79.07) | Staunton-VA (38.15, 79.11) | Staunton-VA (38.17, 79.04) |
floating glob radius (miles) | center county and point | county 1 and point | county 2 and point | county 3 and point |
1 | 72 | Pershing-NV (40.38, 117.96) | Washoe-NV (40.52, 119.31) | Washoe-NV (40.00, 119.22) | Eureka-NV (40.42, 116.59) |
2 | 59 | Taylor-WI (45.09, 90.45) | Juneau-WI (44.25, 90.31) | Vilas-WI (45.90, 90.04) | Dunn-WI (45.10, 91.65) |
3 | 44 | Rabun-GA (34.96, 83.54) | Greenville-SC (35.07, 82.76) | Polk-TN (35.03, 84.32) | Dawson-GA (34.61, 84.19) |
4 | 37 | Yavapai-AZ (34.53, 112.69) | Coconino-AZ (34.97, 112.33) | Mohave-AZ (34.53, 113.33) | Maricopa-AZ (34.00, 112.74) |
5 | 34 | Clark-NV (36.36, 115.26) | Lincoln-NV (36.85, 115.26) | Nye-NV (36.33, 115.87) | Mohave-AZ (36.09, 114.75) |
6 | 33 | Oxford-ME (44.75, 70.81) | Canada (45.23, 70.86) | Carroll-NH (44.28, 71.01) | Somerset-ME (45.14, 70.42) |
7 | 25 | Summit-CO (39.82, 106.17) | Park-CO (39.56, 105.83) | Gilpin-CO (39.88, 105.70) | Routt-CO (39.92, 106.63) |
8 | 20 | Fairfield-SC (34.26, 81.21) | Saluda-SC (34.08, 81.48) | Kershaw-SC (34.18, 80.87) | Union-SC (34.49, 81.42) |
9 | 25 | Guilford-NC (36.19, 79.66) | Chatham-NC (35.84, 79.54) | Pittsylvania-VA (36.54, 79.66) | Davidson-NC (36.01, 80.04) |
10 | 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) |
11 | 24 | Waldo-ME (44.33, 68.89) | Penobscot-ME (44.66, 68.77) | Lincoln-ME (44.21, 69.34) | Atlantic Ocean (44.10, 68.54) |
12 | 15 | Nash-NC (35.99, 78.11) | Halifax-NC (36.18, 77.98) | Johnston-NC (35.82, 78.25) | Wilson-NC (35.80, 77.99) |
13 | 12 | Addison-VT (44.02, 73.16) | Washington-VT (44.07, 72.92) | Essex-NY (44.01, 73.41) | Rutland-VT (43.84, 73.15) |
14 | 14 | Ontonagon-MI (46.71, 89.29) | Gogebic-MI (46.51, 89.37) | Houghton-MI (46.68, 88.99) | Great Lakes (46.90, 89.41) |
15 | 12 | Placer-CA (39.14, 120.60) | El Dorado-CA (38.99, 120.68) | El Dorado-CA (39.02, 120.44) | Nevada-CA (39.31, 120.66) |
16 | 12 | Jackson-IN (38.86, 86.05) | Bartholomew-IN (39.04, 86.06) | Lawrence-IN (38.86, 86.28) | Scott-IN (38.73, 85.89) |
17 | 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) |
18 | 10 | Pierce-WI (44.71, 92.37) | Goodhue-MN (44.56, 92.37) | Saint Croix-WI (44.86, 92.36) | Goodhue-MN (44.57, 92.43) |
19 | 10 | Clay-AL (33.25, 85.82) | Talladega-AL (33.29, 85.98) | Tallapoosa-AL (33.10, 85.82) | Randolph-AL (33.24, 85.65) |
20 | 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) |
21 | 11 | Randolph-IN (40.15, 85.01) | Jay-IN (40.31, 85.01) | Delaware-IN (40.15, 85.22) | Darke-OH (40.15, 84.81) |
22 | 11 | Schuylkill-PA (40.76, 76.11) | Columbia-PA (40.80, 76.31) | Berks-PA (40.64, 75.99) | Luzerne-PA (40.91, 76.05) |
23 | 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) |
24 | 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) |
25 | 11 | Garrett-MD (39.56, 79.27) | Mineral-WV (39.47, 79.11) | Somerset-PA (39.72, 79.27) | Preston-WV (39.57, 79.48) |
26 | 12 | Union-NC (34.99, 80.51) | Anson-NC (34.98, 80.30) | Mecklenburg-NC (35.12, 80.66) | Chesterfield-SC (34.82, 80.52) |
27 | 10 | Muskegon-MI (43.32, 86.25) | Newaygo-MI (43.32, 86.04) | Oceana-MI (43.47, 86.24) | Great Lakes (43.25, 86.43) |
28 | 11 | La Porte-IN (41.58, 86.72) | Saint Joseph-IN (41.65, 86.53) | Porter-IN (41.58, 86.93) | Saint Joseph-IN (41.52, 86.52) |
29 | 10 | Hamilton-TN (35.13, 85.20) | Bradley-TN (35.13, 85.03) | Sequatchie-TN (35.20, 85.34) | Catoosa-GA (34.99, 85.20) |
30 | 7 | Grant-KY (38.67, 84.64) | Pendleton-KY (38.69, 84.51) | Gallatin-KY (38.78, 84.66) | Owen-KY (38.59, 84.73) |
31 | 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) |
32 | 7 | Sandusky-OH (41.36, 83.23) | Ottawa-OH (41.46, 83.23) | Seneca-OH (41.25, 83.23) | Seneca-OH (41.25, 83.22) |
33 | 9 | Decatur-IN (39.33, 85.47) | Rush-IN (39.45, 85.47) | Shelby-IN (39.35, 85.63) | Ripley-IN (39.22, 85.38) |
34 | 6 | Lake-OH (41.73, 81.22) | Geauga-OH (41.71, 81.10) | Great Lakes (41.81, 81.26) | Geauga-OH (41.64, 81.22) |
35 | 8 | Rockcastle-KY (37.36, 84.33) | Laurel-KY (37.28, 84.22) | Garrard-KY (37.47, 84.37) | Pulaski-KY (37.27, 84.44) |
36 | 7 | Columbia-GA (33.53, 82.25) | McDuffie-GA (33.53, 82.38) | Richmond-GA (33.45, 82.17) | McCormick-SC (33.61, 82.18) |
37 | 7 | Somerset-NJ (40.51, 74.63) | Middlesex-NJ (40.54, 74.52) | Hunterdon-NJ (40.57, 74.72) | Middlesex-NJ (40.42, 74.57) |
38 | 3 | Roanoke city-VA (37.28, 79.97) | Roanoke-VA (37.32, 79.96) | Salem-VA (37.28, 80.01) | Roanoke-VA (37.28, 79.92) |
39 | 1 | Bristol-VA (36.61, 82.16) | Sullivan-TN (36.59, 82.16) | Washington-VA (36.60, 82.14) | Washington-VA (36.63, 82.16) |
40 | 1 | Winchester-VA (39.18, 78.17) | Frederick-VA (39.17, 78.15) | Frederick-VA (39.20, 78.16) | Frederick-VA (39.18, 78.19) |
41 | 1 | Staunton-VA (38.16, 79.08) | Augusta-VA (38.15, 79.06) | Augusta-VA (38.17, 79.07) | Augusta-VA (38.14, 79.09) |