area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 667517 | 1 | 191 | 1 | 15 | 1 | 1313 | Sevier-UT (38.56, 111.73) | Siskiyou-CA (41.83, 123.70) | Culberson-TX (31.11, 104.10) |
2 | 12778 | 15 | 1 | 6 | 1 | 2 | 214 | Denali-AK (63.52, 150.08) | Denali-AK (64.26, 147.00) | Denali-AK (62.73, 153.00) |
3 | 7418 | 5 | 2 | 6 | 1 | 3 | 205 | no county here (20.31, 156.07) | Maui-HI (21.25, 157.30) | Hawaii-HI (19.45, 154.77) |
4 | 6193 | 15 | 1 | 6 | 1 | 5 | 118 | Brewster-TX (29.82, 103.30) | Brewster-TX (28.97, 103.15) | Brewster-TX (30.67, 103.44) |
5 | 4380 | 15 | 1 | 6 | 1 | 6 | 115 | Piscataquis-ME (45.80, 69.27) | Piscataquis-ME (45.01, 69.62) | Piscataquis-ME (46.57, 68.82) |
6 | 3580 | 5 | 2 | 6 | 1 | 4 | 133 | Essex-VT (44.45, 71.70) | Coos-NH (45.31, 71.08) | Grafton-NH (43.60, 72.33) |
7 | 2999 | 3 | 3 | 2 | 2 | 7 | 110 | Essex-NY (44.33, 73.38) | Essex-NY (43.92, 74.34) | Lamoille-VT (44.72, 72.42) |
8 | 2415 | 5 | 2 | 6 | 1 | 14 | 76 | Clackamas-OR (45.38, 122.10) | Clackamas-OR (45.13, 122.79) | Hood River-OR (45.70, 121.44) |
9 | 2220 | 5 | 2 | 6 | 1 | 9 | 90 | Billings-ND (46.80, 103.49) | Slope-ND (46.28, 102.93) | Golden Valley-ND (47.33, 104.05) |
10 | 2017 | 15 | 1 | 6 | 1 | 8 | 94 | Suffolk-NY (40.93, 72.64) | Suffolk-NY (41.23, 71.83) | Suffolk-NY (40.61, 73.42) |
11 | 1913 | 15 | 1 | 6 | 1 | 11 | 85 | Cook-MN (47.79, 90.31) | Cook-MN (47.39, 91.03) | Cook-MN (47.98, 89.43) |
12 | 1891 | 5 | 2 | 2 | 2 | 10 | 89 | Berkshire-MA (42.10, 73.17) | Berkshire-MA (42.74, 73.02) | Litchfield-CT (41.47, 73.31) |
13 | 1806 | 15 | 1 | 6 | 1 | 13 | 77 | Pierce-WA (47.10, 122.12) | Pierce-WA (47.40, 122.80) | Pierce-WA (46.79, 121.44) |
14 | 1744 | 5 | 2 | 2 | 2 | 12 | 84 | Somerset-PA (39.73, 79.08) | Somerset-PA (40.24, 78.66) | Garrett-MD (39.21, 79.49) |
15 | 1278 | 15 | 1 | 6 | 1 | 21 | 52 | Price-WI (45.68, 90.36) | Price-WI (45.38, 90.68) | Price-WI (45.98, 90.04) |
16 | 1150 | 15 | 1 | 6 | 1 | 18 | 55 | Walton-FL (30.63, 86.19) | Walton-FL (30.27, 86.00) | Walton-FL (30.99, 86.39) |
17 | 1138 | 5 | 2 | 2 | 2 | 19 | 53 | Sevier-TN (35.66, 83.59) | Sevier-TN (36.04, 83.66) | Swain-NC (35.28, 83.68) |
18 | 1048 | 15 | 1 | 6 | 1 | 22 | 51 | Baraga-MI (46.71, 88.36) | Baraga-MI (47.01, 88.04) | Baraga-MI (46.42, 88.68) |
19 | 898 | 5 | 2 | 6 | 1 | 15 | 61 | Grayson-VA (36.75, 81.34) | Grayson-VA (36.56, 80.84) | Smyth-VA (36.93, 81.84) |
20 | 853 | 3 | 3 | 6 | 1 | 17 | 56 | Rappahannock-VA (38.63, 78.20) | Madison-VA (38.23, 78.23) | Warren-VA (39.04, 78.15) |
21 | 822 | 15 | 1 | 6 | 1 | 27 | 41 | Bienville-LA (32.34, 93.09) | Bienville-LA (32.45, 92.78) | Bienville-LA (32.24, 93.43) |
22 | 815 | 5 | 2 | 6 | 1 | 16 | 57 | Marin-CA (37.95, 122.70) | Marin-CA (38.31, 122.99) | San Francisco-CA (37.71, 122.27) |
23 | 731 | 15 | 1 | 6 | 1 | 20 | 52 | Logan-AR (35.19, 93.71) | Logan-AR (35.06, 94.14) | Logan-AR (35.32, 93.28) |
24 | 698 | 15 | 1 | 6 | 1 | 31 | 38 | Pendleton-WV (38.68, 79.33) | Pendleton-WV (38.96, 79.35) | Pendleton-WV (38.41, 79.31) |
25 | 619 | 15 | 1 | 6 | 1 | 25 | 43 | Jo Daviess-IL (42.35, 90.29) | Jo Daviess-IL (42.49, 90.66) | Jo Daviess-IL (42.20, 89.92) |
26 | 561 | 15 | 1 | 6 | 1 | 24 | 44 | Cleburne-AL (33.69, 85.60) | Cleburne-AL (33.96, 85.40) | Cleburne-AL (33.47, 85.89) |
27 | 552 | 15 | 1 | 6 | 1 | 23 | 46 | Reynolds-MO (37.51, 90.85) | Iron-MO (37.74, 91.15) | Iron-MO (37.27, 90.55) |
28 | 537 | 15 | 1 | 6 | 1 | 34 | 34 | Sussex-NJ (41.14, 74.68) | Sussex-NJ (41.09, 74.99) | Sussex-NJ (41.20, 74.37) |
29 | 512 | 15 | 1 | 6 | 1 | 32 | 35 | Pickens-SC (34.85, 82.72) | Pickens-SC (34.62, 82.85) | Pickens-SC (35.07, 82.57) |
30 | 501 | 5 | 2 | 6 | 1 | 26 | 42 | Union-GA (34.82, 83.85) | Union-GA (34.65, 84.16) | Towns-GA (34.99, 83.55) |
31 | 494 | 15 | 1 | 6 | 1 | 28 | 40 | New Castle-DE (39.56, 75.61) | New Castle-DE (39.83, 75.47) | New Castle-DE (39.30, 75.76) |
32 | 468 | 15 | 1 | 6 | 1 | 29 | 39 | Harlan-KY (36.82, 83.17) | Harlan-KY (36.98, 82.87) | Harlan-KY (36.66, 83.46) |
33 | 467 | 15 | 1 | 6 | 1 | 35 | 31 | Logan-OH (40.38, 83.77) | Logan-OH (40.23, 83.55) | Logan-OH (40.54, 83.99) |
34 | 444 | 15 | 1 | 6 | 1 | 30 | 39 | Tishomingo-MS (34.73, 88.26) | Tishomingo-MS (34.46, 88.16) | Tishomingo-MS (35.00, 88.36) |
35 | 435 | 15 | 1 | 6 | 1 | 36 | 30 | Providence-RI (41.87, 71.58) | Providence-RI (42.01, 71.80) | Providence-RI (41.78, 71.32) |
36 | 405 | 15 | 1 | 6 | 1 | 38 | 28 | Wayne-IN (39.87, 85.01) | Wayne-IN (40.01, 84.81) | Wayne-IN (39.72, 85.19) |
37 | 399 | 15 | 1 | 6 | 1 | 37 | 29 | Osceola-IA (43.38, 95.62) | Osceola-IA (43.26, 95.39) | Osceola-IA (43.50, 95.86) |
38 | 377 | 2 | 4 | 6 | 1 | 33 | 34 | Kings-NY (40.64, 73.99) | Queens-NY (40.75, 73.70) | Richmond-NY (40.49, 74.25) |
39 | 313 | 15 | 1 | 6 | 1 | 39 | 28 | Yancey-NC (35.89, 82.33) | Yancey-NC (36.08, 82.40) | Yancey-NC (35.70, 82.26) |
40 | 68 | 15 | 1 | 6 | 1 | 40 | 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 | 260 | Iron-UT (37.82, 113.67) | San Juan-NM (37.00, 109.05) | Uinta-WY (41.00, 111.05) | Kern-CA (35.80, 117.63) |
2 | 38 | Denali-AK (63.81, 150.11) | Yukon-Koyukuk-AK (64.10, 151.19) | Matanuska-Susitna-AK (63.32, 149.56) | Yukon-Koyukuk-AK (64.36, 150.10) |
3 | 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) |
4 | 34 | Brewster-TX (29.88, 103.23) | Presidio-TX (29.88, 103.80) | Mexico (29.64, 102.74) | Pecos-TX (30.27, 102.87) |
5 | 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) |
6 | 16 | Grafton-NH (44.09, 71.71) | Carroll-NH (44.17, 71.41) | Orange-VT (44.10, 72.03) | Carroll-NH (43.89, 71.56) |
7 | 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) |
8 | 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) |
9 | 13 | Slope-ND (46.47, 103.77) | Fallon-MT (46.47, 104.05) | Bowman-ND (46.28, 103.77) | Billings-ND (46.63, 103.61) |
10 | 13 | Suffolk-NY (40.84, 73.20) | Nassau-NY (40.81, 73.45) | Atlantic Ocean (40.65, 73.12) | Fairfield-CT (41.02, 73.26) |
11 | 16 | Cook-MN (47.86, 90.67) | Great Lakes (47.66, 90.49) | Canada (48.10, 90.70) | Lake-MN (47.86, 91.02) |
12 | 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) |
13 | 14 | Pierce-WA (46.96, 122.07) | King-WA (47.14, 121.94) | Thurston-WA (46.83, 122.30) | Lewis-WA (46.75, 122.08) |
14 | 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) |
15 | 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) |
16 | 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) |
17 | 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) |
18 | 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) |
19 | 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) |
20 | 8 | Page-VA (38.59, 78.48) | Rappahannock-VA (38.63, 78.34) | Shenandoah-VA (38.64, 78.62) | Greene-VA (38.48, 78.45) |
21 | 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) |
22 | 9 | Marin-CA (38.04, 122.65) | Sonoma-CA (38.12, 122.51) | Pacific Ocean (37.97, 122.79) | Pacific Ocean (37.93, 122.74) |
23 | 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) |
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 | 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) |
26 | 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) |
27 | 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) |
28 | 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) |
29 | 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) |
30 | 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) |
31 | 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) |
32 | 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) |
33 | 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) |
34 | 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) |
35 | 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) |
36 | 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) |
37 | 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) |
38 | 7 | Kings-NY (40.68, 73.89) | Bronx-NY (40.79, 73.87) | Hudson-NJ (40.70, 74.03) | Nassau-NY (40.63, 73.77) |
39 | 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) |
40 | 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) |