area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 729843 | 1 | 220 | 1 | 13 | 1 | 1652 | Sevier-UT (38.61, 111.70) | Brewster-TX (28.99, 103.12) | Pierce-WA (47.40, 122.80) |
2 | 11202 | 3 | 3 | 5 | 1 | 2 | 190 | Lake-MN (47.70, 91.49) | Saint Louis-MN (46.77, 93.06) | Cook-MN (47.98, 89.43) |
3 | 7177 | 6 | 2 | 5 | 1 | 4 | 148 | Custer-ID (44.02, 114.03) | Custer-ID (44.74, 115.14) | Butte-ID (43.28, 112.95) |
4 | 6348 | 2 | 4 | 5 | 1 | 3 | 151 | Broward-FL (26.20, 80.50) | Miami-Dade-FL (25.14, 80.78) | Martin-FL (27.26, 80.20) |
5 | 3344 | 12 | 1 | 5 | 1 | 6 | 106 | Mesa-CO (38.94, 108.25) | Mesa-CO (39.37, 107.43) | Mesa-CO (38.50, 109.06) |
6 | 2786 | 12 | 1 | 5 | 1 | 5 | 112 | Pennington-SD (44.12, 102.99) | Pennington-SD (44.51, 102.00) | Pennington-SD (43.85, 104.06) |
7 | 2716 | 3 | 3 | 2 | 3 | 7 | 102 | Columbia-NY (42.09, 73.51) | Berkshire-MA (42.74, 73.02) | Dutchess-NY (41.44, 73.98) |
8 | 2396 | 3 | 3 | 2 | 3 | 8 | 94 | Somerset-PA (39.75, 79.26) | Somerset-PA (40.24, 78.66) | Preston-WV (39.25, 79.85) |
9 | 2006 | 6 | 2 | 5 | 1 | 9 | 79 | Dane-WI (43.05, 89.72) | Dane-WI (43.28, 89.01) | Iowa-WI (42.81, 90.43) |
10 | 1615 | 6 | 2 | 5 | 1 | 10 | 72 | Polk-MN (47.57, 95.62) | Clearwater-MN (48.02, 95.23) | Mahnomen-MN (47.15, 96.07) |
11 | 1278 | 12 | 1 | 5 | 1 | 16 | 52 | Price-WI (45.68, 90.36) | Price-WI (45.38, 90.68) | Price-WI (45.98, 90.04) |
12 | 1218 | 12 | 1 | 5 | 1 | 12 | 59 | Slope-ND (46.45, 103.49) | Slope-ND (46.63, 102.93) | Slope-ND (46.28, 104.05) |
13 | 1150 | 12 | 1 | 5 | 1 | 13 | 55 | Walton-FL (30.63, 86.19) | Walton-FL (30.27, 86.00) | Walton-FL (30.99, 86.39) |
14 | 1138 | 6 | 2 | 4 | 2 | 14 | 53 | Sevier-TN (35.66, 83.59) | Sevier-TN (36.04, 83.66) | Swain-NC (35.28, 83.68) |
15 | 1048 | 12 | 1 | 5 | 1 | 17 | 51 | Baraga-MI (46.71, 88.36) | Baraga-MI (47.01, 88.04) | Baraga-MI (46.42, 88.68) |
16 | 898 | 6 | 2 | 5 | 1 | 11 | 61 | Grayson-VA (36.75, 81.34) | Grayson-VA (36.56, 80.84) | Smyth-VA (36.93, 81.84) |
17 | 822 | 12 | 1 | 5 | 1 | 22 | 41 | Bienville-LA (32.34, 93.09) | Bienville-LA (32.45, 92.78) | Bienville-LA (32.24, 93.43) |
18 | 731 | 12 | 1 | 5 | 1 | 15 | 52 | Logan-AR (35.19, 93.71) | Logan-AR (35.06, 94.14) | Logan-AR (35.32, 93.28) |
19 | 698 | 12 | 1 | 5 | 1 | 27 | 38 | Pendleton-WV (38.68, 79.33) | Pendleton-WV (38.96, 79.35) | Pendleton-WV (38.41, 79.31) |
20 | 619 | 12 | 1 | 5 | 1 | 20 | 43 | Jo Daviess-IL (42.35, 90.29) | Jo Daviess-IL (42.49, 90.66) | Jo Daviess-IL (42.20, 89.92) |
21 | 575 | 12 | 1 | 5 | 1 | 25 | 39 | Hamilton-TN (35.19, 85.23) | Hamilton-TN (35.41, 85.02) | Hamilton-TN (34.98, 85.47) |
22 | 561 | 12 | 1 | 5 | 1 | 19 | 44 | Cleburne-AL (33.69, 85.60) | Cleburne-AL (33.96, 85.40) | Cleburne-AL (33.47, 85.89) |
23 | 552 | 12 | 1 | 5 | 1 | 18 | 46 | Reynolds-MO (37.51, 90.85) | Iron-MO (37.74, 91.15) | Iron-MO (37.27, 90.55) |
24 | 537 | 12 | 1 | 5 | 1 | 30 | 34 | Sussex-NJ (41.14, 74.68) | Sussex-NJ (41.09, 74.99) | Sussex-NJ (41.20, 74.37) |
25 | 512 | 12 | 1 | 5 | 1 | 29 | 35 | Pickens-SC (34.85, 82.72) | Pickens-SC (34.62, 82.85) | Pickens-SC (35.07, 82.57) |
26 | 501 | 6 | 2 | 5 | 1 | 21 | 42 | Union-GA (34.82, 83.85) | Union-GA (34.65, 84.16) | Towns-GA (34.99, 83.55) |
27 | 494 | 12 | 1 | 5 | 1 | 23 | 40 | New Castle-DE (39.56, 75.61) | New Castle-DE (39.83, 75.47) | New Castle-DE (39.30, 75.76) |
28 | 480 | 12 | 1 | 5 | 1 | 28 | 38 | Idaho-ID (46.19, 116.41) | Lewis-ID (46.41, 116.20) | Lewis-ID (46.00, 116.70) |
29 | 468 | 12 | 1 | 5 | 1 | 24 | 39 | Harlan-KY (36.82, 83.17) | Harlan-KY (36.98, 82.87) | Harlan-KY (36.66, 83.46) |
30 | 467 | 12 | 1 | 5 | 1 | 32 | 31 | Logan-OH (40.38, 83.77) | Logan-OH (40.23, 83.55) | Logan-OH (40.54, 83.99) |
31 | 444 | 12 | 1 | 5 | 1 | 26 | 39 | Tishomingo-MS (34.73, 88.26) | Tishomingo-MS (34.46, 88.16) | Tishomingo-MS (35.00, 88.36) |
32 | 435 | 12 | 1 | 5 | 1 | 33 | 30 | Providence-RI (41.87, 71.58) | Providence-RI (42.01, 71.80) | Providence-RI (41.78, 71.32) |
33 | 405 | 12 | 1 | 5 | 1 | 35 | 28 | Wayne-IN (39.87, 85.01) | Wayne-IN (40.01, 84.81) | Wayne-IN (39.72, 85.19) |
34 | 399 | 12 | 1 | 5 | 1 | 34 | 29 | Osceola-IA (43.38, 95.62) | Osceola-IA (43.26, 95.39) | Osceola-IA (43.50, 95.86) |
35 | 383 | 12 | 1 | 5 | 1 | 31 | 32 | Lake-CO (39.22, 106.36) | Lake-CO (39.38, 106.14) | Lake-CO (39.06, 106.58) |
36 | 313 | 12 | 1 | 5 | 1 | 37 | 28 | Yancey-NC (35.89, 82.33) | Yancey-NC (36.08, 82.40) | Yancey-NC (35.70, 82.26) |
37 | 271 | 12 | 1 | 5 | 1 | 36 | 28 | DeKalb-GA (33.79, 84.23) | DeKalb-GA (33.97, 84.35) | DeKalb-GA (33.61, 84.12) |
38 | 68 | 12 | 1 | 5 | 1 | 38 | 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 | 255 | Mohave-AZ (36.34, 113.81) | Fresno-CA (36.75, 118.37) | Mexico (32.72, 114.72) | Grand-UT (38.51, 110.05) |
2 | 44 | Saint Louis-MN (47.53, 92.13) | Canada (48.04, 91.57) | Itasca-MN (47.55, 93.06) | Great Lakes (47.05, 91.52) |
3 | 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) |
4 | 26 | Palm Beach-FL (26.70, 80.46) | Atlantic Ocean (26.73, 80.03) | Hendry-FL (26.70, 80.89) | Atlantic Ocean (26.68, 80.03) |
5 | 21 | Mesa-CO (39.05, 108.65) | Garfield-CO (39.37, 108.65) | Grand-UT (39.06, 109.05) | Delta-CO (38.83, 108.38) |
6 | 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) |
7 | 15 | Litchfield-CT (41.83, 73.31) | Fairfield-CT (41.66, 73.49) | Hartford-CT (41.80, 73.02) | Columbia-NY (41.98, 73.53) |
8 | 16 | Preston-WV (39.48, 79.54) | Grant-WV (39.29, 79.35) | Fayette-PA (39.72, 79.54) | Tucker-WV (39.26, 79.65) |
9 | 15 | Dane-WI (43.08, 89.46) | Columbia-WI (43.29, 89.46) | Green-WI (42.86, 89.46) | Columbia-WI (43.28, 89.36) |
10 | 13 | Clearwater-MN (47.33, 95.45) | Polk-MN (47.50, 95.55) | Becker-MN (47.15, 95.45) | Hubbard-MN (47.33, 95.18) |
11 | 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) |
12 | 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) |
13 | 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) |
14 | 12 | Sevier-TN (35.62, 83.45) | Cocke-TN (35.71, 83.28) | Blount-TN (35.62, 83.66) | Jackson-NC (35.47, 83.35) |
15 | 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) |
16 | 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) |
17 | 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) |
18 | 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) |
19 | 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) |
20 | 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) |
21 | 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) |
22 | 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) |
23 | 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) |
24 | 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) |
25 | 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) |
26 | 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) |
27 | 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) |
28 | 7 | Lewis-ID (46.27, 116.27) | Idaho-ID (46.18, 116.33) | Idaho-ID (46.31, 116.13) | Nez Perce-ID (46.34, 116.37) |
29 | 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) |
30 | 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) |
31 | 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) |
32 | 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) |
33 | 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) |
34 | 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) |
35 | 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) |
36 | 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) |
37 | 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) |
38 | 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) |