area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 29742 | 1 | 51 | 1 | 2 | 1 | 346 | Reynolds-MO (37.20, 91.08) | Barry-MO (36.50, 94.08) | Gallatin-IL (37.83, 88.03) |
2 | 4380 | 12 | 1 | 6 | 1 | 2 | 115 | Piscataquis-ME (45.80, 69.27) | Piscataquis-ME (45.01, 69.62) | Piscataquis-ME (46.57, 68.82) |
3 | 2535 | 8 | 2 | 1 | 2 | 5 | 87 | Essex-NY (44.24, 73.58) | Essex-NY (43.92, 74.34) | Chittenden-VT (44.55, 72.81) |
4 | 2472 | 2 | 5 | 6 | 1 | 11 | 76 | Knox-MO (40.11, 92.02) | Shelby-MO (39.61, 92.30) | Clark-MO (40.61, 91.73) |
5 | 2349 | 3 | 4 | 6 | 1 | 3 | 95 | Calvert-MD (38.56, 76.46) | Saint Mary's-MD (37.89, 76.24) | Anne Arundel-MD (39.23, 76.66) |
6 | 1891 | 8 | 2 | 1 | 2 | 4 | 89 | Berkshire-MA (42.10, 73.17) | Berkshire-MA (42.74, 73.02) | Litchfield-CT (41.47, 73.31) |
7 | 1862 | 4 | 3 | 6 | 1 | 12 | 75 | Livingston-MO (39.62, 93.31) | Carroll-MO (39.21, 93.76) | Linn-MO (40.04, 92.85) |
8 | 1831 | 12 | 1 | 6 | 1 | 6 | 85 | Coos-NH (44.70, 71.21) | Coos-NH (44.09, 71.34) | Coos-NH (45.31, 71.08) |
9 | 1744 | 8 | 2 | 1 | 2 | 7 | 84 | Somerset-PA (39.73, 79.08) | Somerset-PA (40.24, 78.66) | Garrett-MD (39.21, 79.49) |
10 | 1633 | 4 | 3 | 1 | 2 | 8 | 79 | Swain-NC (35.53, 83.34) | Sevier-TN (36.04, 83.67) | Jackson-NC (35.03, 83.01) |
11 | 1552 | 4 | 3 | 6 | 1 | 10 | 77 | Mecklenburg-NC (35.12, 80.89) | Gaston-NC (35.42, 81.46) | Union-NC (34.81, 80.32) |
12 | 1400 | 4 | 3 | 6 | 1 | 9 | 79 | Summit-CO (39.44, 106.03) | Lake-CO (39.06, 106.58) | Clear Creek-CO (39.75, 105.40) |
13 | 1150 | 12 | 1 | 6 | 1 | 13 | 55 | Walton-FL (30.63, 86.19) | Walton-FL (30.27, 86.00) | Walton-FL (30.99, 86.39) |
14 | 732 | 12 | 1 | 6 | 1 | 20 | 39 | Henry-MO (38.39, 93.79) | Henry-MO (38.21, 94.08) | Henry-MO (38.56, 93.51) |
15 | 731 | 12 | 1 | 6 | 1 | 14 | 52 | Logan-AR (35.19, 93.71) | Logan-AR (35.06, 94.14) | Logan-AR (35.32, 93.28) |
16 | 698 | 12 | 1 | 6 | 1 | 22 | 38 | Pendleton-WV (38.68, 79.33) | Pendleton-WV (38.96, 79.35) | Pendleton-WV (38.41, 79.31) |
17 | 619 | 12 | 1 | 6 | 1 | 16 | 43 | Jo Daviess-IL (42.35, 90.29) | Jo Daviess-IL (42.49, 90.66) | Jo Daviess-IL (42.20, 89.92) |
18 | 575 | 12 | 1 | 6 | 1 | 19 | 39 | Hamilton-TN (35.19, 85.23) | Hamilton-TN (35.41, 85.02) | Hamilton-TN (34.98, 85.47) |
19 | 561 | 12 | 1 | 6 | 1 | 15 | 44 | Cleburne-AL (33.69, 85.60) | Cleburne-AL (33.96, 85.40) | Cleburne-AL (33.47, 85.89) |
20 | 537 | 12 | 1 | 6 | 1 | 25 | 34 | Sussex-NJ (41.14, 74.68) | Sussex-NJ (41.09, 74.99) | Sussex-NJ (41.20, 74.37) |
21 | 515 | 12 | 1 | 6 | 1 | 23 | 36 | Burke-NC (35.80, 81.69) | Burke-NC (35.56, 81.54) | Burke-NC (36.00, 81.90) |
22 | 512 | 12 | 1 | 6 | 1 | 24 | 35 | Pickens-SC (34.85, 82.72) | Pickens-SC (34.62, 82.85) | Pickens-SC (35.07, 82.57) |
23 | 501 | 8 | 2 | 6 | 1 | 17 | 42 | Union-GA (34.82, 83.85) | Union-GA (34.65, 84.16) | Towns-GA (34.99, 83.55) |
24 | 494 | 12 | 1 | 6 | 1 | 18 | 40 | New Castle-DE (39.56, 75.61) | New Castle-DE (39.83, 75.47) | New Castle-DE (39.30, 75.76) |
25 | 467 | 12 | 1 | 6 | 1 | 27 | 31 | Logan-OH (40.38, 83.77) | Logan-OH (40.23, 83.55) | Logan-OH (40.54, 83.99) |
26 | 456 | 12 | 1 | 6 | 1 | 28 | 30 | Mercer-MO (40.42, 93.57) | Mercer-MO (40.27, 93.37) | Mercer-MO (40.58, 93.77) |
27 | 444 | 12 | 1 | 6 | 1 | 21 | 39 | Tishomingo-MS (34.73, 88.26) | Tishomingo-MS (34.46, 88.16) | Tishomingo-MS (35.00, 88.36) |
28 | 435 | 12 | 1 | 6 | 1 | 29 | 30 | Providence-RI (41.87, 71.58) | Providence-RI (42.01, 71.80) | Providence-RI (41.78, 71.32) |
29 | 405 | 12 | 1 | 6 | 1 | 30 | 28 | Wayne-IN (39.87, 85.01) | Wayne-IN (40.01, 84.81) | Wayne-IN (39.72, 85.19) |
30 | 403 | 12 | 1 | 6 | 1 | 26 | 32 | Cole-MO (38.54, 92.24) | Cole-MO (38.43, 92.50) | Cole-MO (38.60, 91.94) |
31 | 313 | 12 | 1 | 6 | 1 | 32 | 28 | Yancey-NC (35.89, 82.33) | Yancey-NC (36.08, 82.40) | Yancey-NC (35.70, 82.26) |
32 | 271 | 12 | 1 | 6 | 1 | 31 | 28 | DeKalb-GA (33.79, 84.23) | DeKalb-GA (33.97, 84.35) | DeKalb-GA (33.61, 84.12) |
33 | 68 | 12 | 1 | 6 | 1 | 33 | 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 | 50 | Iron-MO (37.65, 90.78) | Gasconade-MO (38.21, 91.37) | Butler-MO (36.93, 90.68) | Cape Girardeau-MO (37.60, 89.86) |
2 | 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) |
3 | 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) |
4 | 22 | Clark-MO (40.28, 91.93) | Hancock-IL (40.24, 91.51) | Lee-IA (40.47, 91.58) | Adair-MO (40.28, 92.35) |
5 | 14 | Saint Mary's-MD (38.35, 76.60) | Westmoreland-VA (38.15, 76.63) | Dorchester-MD (38.45, 76.39) | Prince George's-MD (38.54, 76.67) |
6 | 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) |
7 | 13 | Livingston-MO (39.77, 93.51) | Caldwell-MO (39.77, 93.76) | Chariton-MO (39.68, 93.29) | Grundy-MO (39.96, 93.51) |
8 | 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) |
9 | 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) |
10 | 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) |
11 | 13 | Union-NC (35.00, 80.57) | Lancaster-SC (34.94, 80.78) | Lancaster-SC (34.82, 80.57) | Stanly-NC (35.17, 80.47) |
12 | 9 | Clear Creek-CO (39.69, 105.67) | Gilpin-CO (39.77, 105.54) | Grand-CO (39.80, 105.74) | Park-CO (39.57, 105.66) |
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 | Henry-MO (38.38, 93.74) | Johnson-MO (38.56, 93.74) | Saint Clair-MO (38.21, 93.75) | Benton-MO (38.38, 93.52) |
15 | 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) |
16 | 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) |
17 | 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) |
18 | 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) |
19 | 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) |
20 | 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) |
21 | 8 | Burke-NC (35.73, 81.72) | Rutherford-NC (35.61, 81.75) | Caldwell-NC (35.83, 81.63) | McDowell-NC (35.70, 81.86) |
22 | 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) |
23 | 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) |
24 | 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) |
25 | 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) |
26 | 10 | Mercer-MO (40.43, 93.57) | Harrison-MO (40.43, 93.76) | Putnam-MO (40.43, 93.37) | Decatur-IA (40.58, 93.57) |
27 | 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) |
28 | 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) |
29 | 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) |
30 | 8 | Cole-MO (38.52, 92.31) | Miller-MO (38.43, 92.40) | Callaway-MO (38.60, 92.20) | Moniteau-MO (38.55, 92.46) |
31 | 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) |
32 | 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) |
33 | 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) |