area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 264237 | 1 | 405 | 1 | 28 | 1 | 1514 | no county here (45.03, 82.43) | Washington-ME (44.74, 66.93) | Day-SD (45.15, 97.98) |
2 | 235582 | 2 | 34 | 2 | 5 | 2 | 788 | Mohave-AZ (35.67, 113.99) | San Luis Obispo-CA (35.71, 121.32) | Montrose-CO (38.67, 107.50) |
3 | 22423 | 3 | 15 | 2 | 5 | 3 | 265 | Texas-OK (36.73, 101.94) | Gray-TX (35.18, 100.54) | Bent-CO (38.27, 103.40) |
4 | 11780 | 4 | 12 | 8 | 1 | 5 | 193 | Lake-FL (28.75, 81.73) | Levy-FL (29.58, 82.94) | Brevard-FL (27.86, 80.45) |
5 | 11422 | 9 | 6 | 8 | 1 | 6 | 191 | Lincoln-CO (39.35, 103.18) | Crowley-CO (38.15, 104.06) | Yuma-CO (40.44, 102.05) |
6 | 8441 | 4 | 12 | 5 | 2 | 8 | 146 | Jackson-FL (30.82, 85.34) | Liberty-FL (30.01, 84.54) | Coffee-AL (31.62, 86.15) |
7 | 8098 | 6 | 11 | 5 | 2 | 4 | 206 | Johnson-AR (35.64, 93.42) | McDonald-MO (36.77, 94.62) | Saline-AR (34.49, 92.25) |
8 | 6608 | 7 | 8 | 8 | 1 | 7 | 182 | Santa Clara-CA (37.39, 121.53) | San Benito-CA (36.20, 120.72) | Sacramento-CA (38.74, 121.60) |
9 | 4383 | 14 | 2 | 8 | 1 | 10 | 132 | no county here (47.56, 90.72) | Lake-MN (46.94, 91.79) | Cook-MN (47.98, 89.43) |
10 | 3712 | 8 | 7 | 4 | 3 | 9 | 144 | Alcorn-MS (34.85, 88.47) | Marshall-MS (34.69, 89.72) | Lauderdale-AL (35.00, 87.21) |
11 | 3632 | 9 | 6 | 8 | 1 | 13 | 97 | Livingston-MI (42.67, 84.08) | Clinton-MI (43.12, 84.84) | Washtenaw-MI (42.09, 83.54) |
12 | 3248 | 19 | 1 | 8 | 1 | 18 | 83 | Duchesne-UT (40.31, 110.41) | Duchesne-UT (40.81, 109.98) | Duchesne-UT (39.81, 110.86) |
13 | 3046 | 11 | 4 | 5 | 2 | 11 | 116 | Monroe-AR (34.76, 91.17) | Tunica-MS (34.51, 90.20) | Lonoke-AR (35.07, 92.12) |
14 | 2793 | 12 | 3 | 8 | 1 | 15 | 91 | Tillamook-OR (45.67, 123.60) | Clatsop-OR (46.29, 124.04) | Washington-OR (45.33, 122.74) |
15 | 2786 | 19 | 1 | 8 | 1 | 12 | 112 | Pennington-SD (44.12, 102.99) | Pennington-SD (44.51, 102.00) | Pennington-SD (43.85, 104.06) |
16 | 2476 | 19 | 1 | 8 | 1 | 14 | 93 | Clallam-WA (48.18, 123.83) | Clallam-WA (48.49, 124.73) | Clallam-WA (47.87, 122.95) |
17 | 2441 | 12 | 3 | 8 | 1 | 16 | 89 | Emmet-MI (45.47, 85.07) | Charlevoix-MI (45.74, 85.90) | Cheboygan-MI (45.20, 84.25) |
18 | 1937 | 14 | 2 | 8 | 1 | 17 | 84 | Nevada-CA (39.39, 120.64) | Nevada-CA (39.03, 121.28) | Sierra-CA (39.73, 120.00) |
19 | 1861 | 14 | 2 | 8 | 1 | 19 | 69 | Ellis-TX (32.54, 96.78) | Ellis-TX (32.05, 96.94) | Dallas-TX (32.98, 96.52) |
20 | 1218 | 19 | 1 | 8 | 1 | 23 | 59 | Slope-ND (46.45, 103.49) | Slope-ND (46.63, 102.93) | Slope-ND (46.28, 104.05) |
21 | 1168 | 19 | 1 | 8 | 1 | 20 | 64 | Bernalillo-NM (35.05, 106.67) | Bernalillo-NM (35.22, 107.20) | Bernalillo-NM (34.87, 106.15) |
22 | 1119 | 14 | 2 | 8 | 1 | 22 | 59 | Niagara-NY (43.25, 78.54) | Niagara-NY (43.08, 79.07) | Orleans-NY (43.42, 78.00) |
23 | 1077 | 19 | 1 | 8 | 1 | 24 | 54 | Montgomery-TX (30.37, 95.49) | Montgomery-TX (30.17, 95.10) | Montgomery-TX (30.63, 95.83) |
24 | 1048 | 19 | 1 | 8 | 1 | 25 | 51 | Baraga-MI (46.71, 88.36) | Baraga-MI (47.01, 88.04) | Baraga-MI (46.42, 88.68) |
25 | 1031 | 19 | 1 | 8 | 1 | 21 | 63 | Clearwater-MN (47.59, 95.37) | Clearwater-MN (47.15, 95.17) | Clearwater-MN (48.02, 95.58) |
26 | 953 | 19 | 1 | 8 | 1 | 27 | 44 | Kimball-NE (41.20, 103.72) | Kimball-NE (41.00, 104.05) | Kimball-NE (41.39, 103.38) |
27 | 915 | 19 | 1 | 8 | 1 | 29 | 43 | Wallace-KS (38.92, 101.76) | Wallace-KS (39.14, 101.48) | Wallace-KS (38.70, 102.05) |
28 | 822 | 19 | 1 | 8 | 1 | 31 | 41 | Bienville-LA (32.34, 93.09) | Bienville-LA (32.45, 92.78) | Bienville-LA (32.24, 93.43) |
29 | 586 | 19 | 1 | 8 | 1 | 32 | 40 | Chester-SC (34.68, 81.18) | Chester-SC (34.82, 81.49) | Chester-SC (34.54, 80.88) |
30 | 561 | 19 | 1 | 8 | 1 | 28 | 44 | Cleburne-AL (33.69, 85.60) | Cleburne-AL (33.96, 85.40) | Cleburne-AL (33.47, 85.89) |
31 | 552 | 19 | 1 | 8 | 1 | 26 | 46 | Reynolds-MO (37.51, 90.85) | Iron-MO (37.74, 91.15) | Iron-MO (37.27, 90.55) |
32 | 493 | 19 | 1 | 8 | 1 | 34 | 38 | Sussex-VA (36.94, 77.28) | Sussex-VA (37.05, 76.97) | Sussex-VA (36.88, 77.62) |
33 | 468 | 19 | 1 | 8 | 1 | 33 | 39 | Harlan-KY (36.82, 83.17) | Harlan-KY (36.98, 82.87) | Harlan-KY (36.66, 83.46) |
34 | 415 | 14 | 2 | 8 | 1 | 30 | 43 | Fulton-GA (33.66, 84.36) | DeKalb-GA (33.97, 84.34) | Clayton-GA (33.35, 84.39) |
35 | 66 | 19 | 1 | 8 | 1 | 35 | 17 | Saint Louis City-MO (38.65, 90.21) | Saint Louis City-MO (38.53, 90.26) | Saint Louis City-MO (38.77, 90.17) |
36 | 63 | 19 | 1 | 8 | 1 | 36 | 12 | Richmond city-VA (37.52, 77.49) | Richmond city-VA (37.56, 77.60) | Richmond city-VA (37.45, 77.42) |
37 | 9 | 19 | 1 | 8 | 1 | 37 | 5 | Winchester-VA (39.17, 78.18) | Winchester-VA (39.13, 78.18) | Winchester-VA (39.20, 78.16) |
floating glob radius (miles) | center county and point | county 1 and point | county 2 and point | county 3 and point |
1 | 78 | Grafton-NH (43.89, 71.89) | Warren-NY (43.80, 73.44) | Atlantic Ocean (43.32, 70.55) | Canada (45.01, 71.91) |
2 | 192 | Yavapai-AZ (34.75, 112.43) | Mexico (32.72, 114.72) | Cibola-NM (34.80, 109.05) | Garfield-UT (37.54, 112.36) |
3 | 51 | Dallam-TX (36.40, 102.54) | Harding-NM (36.09, 103.37) | Hansford-TX (36.41, 101.62) | Las Animas-CO (37.00, 103.09) |
4 | 34 | Osceola-FL (28.13, 81.44) | Seminole-FL (28.61, 81.33) | Sumter-FL (28.31, 81.96) | Highlands-FL (27.65, 81.44) |
5 | 30 | Washington-CO (40.00, 103.14) | Kit Carson-CO (39.57, 103.13) | Logan-CO (40.44, 103.14) | Adams-CO (40.00, 103.71) |
6 | 39 | Washington-FL (30.74, 85.60) | Seminole-GA (30.98, 85.01) | Covington-AL (30.99, 86.19) | Gulf-FL (30.20, 85.39) |
7 | 21 | Benton-AR (36.45, 94.24) | Delaware-OK (36.42, 94.60) | Carroll-AR (36.46, 93.87) | Newton-MO (36.75, 94.22) |
8 | 18 | Santa Clara-CA (37.21, 121.78) | Pacific Ocean (36.98, 121.93) | Stanislaus-CA (37.25, 121.46) | Alameda-CA (37.45, 121.92) |
9 | 24 | Lake-MN (47.71, 91.28) | Canada (48.05, 91.43) | Saint Louis-MN (47.70, 91.80) | Great Lakes (47.47, 90.91) |
10 | 16 | Marshall-MS (34.76, 89.37) | Lafayette-MS (34.55, 89.48) | Tippah-MS (34.76, 89.09) | Fayette-TN (34.99, 89.36) |
11 | 23 | Livingston-MI (42.76, 84.14) | Eaton-MI (42.76, 84.60) | Jackson-MI (42.42, 84.14) | Oakland-MI (42.77, 83.69) |
12 | 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) |
13 | 13 | Arkansas-AR (34.28, 91.32) | Jefferson-AR (34.13, 91.45) | Monroe-AR (34.41, 91.17) | Monroe-AR (34.44, 91.22) |
14 | 16 | Tillamook-OR (45.64, 123.62) | Yamhill-OR (45.43, 123.46) | Columbia-OR (45.78, 123.36) | Pacific Ocean (45.66, 123.94) |
15 | 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) |
16 | 17 | Clallam-WA (48.12, 124.33) | Jefferson-WA (47.88, 124.33) | Canada (48.35, 124.19) | Pacific Ocean (48.09, 124.69) |
17 | 19 | Emmet-MI (45.48, 84.73) | Otsego-MI (45.20, 84.73) | Mackinac-MI (45.72, 84.53) | Great Lakes (45.42, 85.12) |
18 | 14 | Sierra-CA (39.49, 120.77) | Plumas-CA (39.68, 120.68) | Yuba-CA (39.48, 121.03) | Placer-CA (39.31, 120.67) |
19 | 17 | Ellis-TX (32.41, 96.79) | Kaufman-TX (32.48, 96.51) | Tarrant-TX (32.55, 97.04) | Navarro-TX (32.20, 96.65) |
20 | 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) |
21 | 12 | Bernalillo-NM (35.04, 106.88) | Sandoval-NM (35.22, 106.88) | Cibola-NM (34.98, 107.08) | Valencia-NM (34.87, 106.88) |
22 | 11 | Niagara-NY (43.25, 78.60) | Erie-NY (43.10, 78.56) | Genesee-NY (43.13, 78.47) | Great Lakes (43.40, 78.67) |
23 | 12 | Montgomery-TX (30.34, 95.61) | Harris-TX (30.17, 95.55) | Walker-TX (30.51, 95.60) | Grimes-TX (30.34, 95.80) |
24 | 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) |
25 | 9 | Clearwater-MN (47.79, 95.39) | Beltrami-MN (47.89, 95.26) | Polk-MN (47.79, 95.58) | Beltrami-MN (47.79, 95.19) |
26 | 14 | Kimball-NE (41.20, 103.63) | Banner-NE (41.39, 103.64) | Weld-CO (41.00, 103.64) | Cheyenne-NE (41.20, 103.38) |
27 | 15 | Wallace-KS (38.92, 101.76) | Logan-KS (38.91, 101.48) | Sherman-KS (39.13, 101.76) | Greeley-KS (38.70, 101.76) |
28 | 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) |
29 | 9 | Chester-SC (34.69, 81.05) | York-SC (34.82, 81.05) | Fairfield-SC (34.55, 81.06) | Lancaster-SC (34.67, 80.89) |
30 | 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) |
31 | 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) |
32 | 8 | Sussex-VA (36.92, 77.26) | Prince George-VA (37.02, 77.34) | Prince George-VA (37.01, 77.36) | Southampton-VA (36.83, 77.19) |
33 | 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) |
34 | 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) |
35 | 3 | Saint Louis City-MO (38.64, 90.24) | Saint Clair-IL (38.62, 90.18) | Saint Clair-IL (38.64, 90.18) | Saint Louis-MO (38.64, 90.30) |
36 | 3 | Richmond city-VA (37.53, 77.47) | Henrico-VA (37.52, 77.42) | Henrico-VA (37.57, 77.48) | Chesterfield-VA (37.53, 77.53) |
37 | 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) |