area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 250603 | 1 | 89 | 1 | 6 | 1 | 900 | Malheur-OR (44.12, 117.74) | Juab-UT (39.38, 111.75) | Clallam-WA (48.49, 124.73) |
2 | 32092 | 2 | 6 | 2 | 2 | 3 | 388 | Inyo-CA (36.58, 117.50) | Tuolumne-CA (37.86, 120.63) | Clark-NV (35.00, 114.63) |
3 | 30700 | 3 | 5 | 8 | 1 | 4 | 388 | Fremont-WY (42.87, 108.08) | Albany-WY (41.00, 105.28) | Teton-WY (44.67, 111.06) |
4 | 26607 | 7 | 2 | 2 | 2 | 5 | 314 | Coconino-AZ (36.60, 110.77) | Coconino-AZ (34.42, 111.55) | San Juan-UT (38.50, 109.06) |
5 | 12778 | 18 | 1 | 8 | 1 | 6 | 214 | Denali-AK (63.52, 150.08) | Denali-AK (64.26, 147.00) | Denali-AK (62.73, 153.00) |
6 | 9769 | 3 | 5 | 8 | 1 | 2 | 394 | no county here (20.70, 157.50) | Kauai-HI (21.91, 160.28) | Hawaii-HI (19.45, 154.77) |
7 | 7594 | 7 | 2 | 8 | 1 | 8 | 175 | Blaine-ID (43.70, 114.15) | Blaine-ID (42.62, 113.25) | Custer-ID (44.77, 115.09) |
8 | 7302 | 18 | 1 | 8 | 1 | 7 | 187 | Riverside-CA (33.99, 116.06) | Riverside-CA (34.08, 114.44) | Riverside-CA (33.89, 117.68) |
9 | 4380 | 18 | 1 | 8 | 1 | 10 | 115 | Piscataquis-ME (45.80, 69.27) | Piscataquis-ME (45.01, 69.62) | Piscataquis-ME (46.57, 68.82) |
10 | 3814 | 18 | 1 | 8 | 1 | 12 | 106 | Culberson-TX (31.33, 104.47) | Culberson-TX (30.66, 104.92) | Culberson-TX (32.00, 104.02) |
11 | 3580 | 7 | 2 | 8 | 1 | 9 | 133 | Essex-VT (44.45, 71.70) | Coos-NH (45.31, 71.08) | Grafton-NH (43.60, 72.33) |
12 | 3248 | 18 | 1 | 8 | 1 | 20 | 83 | Duchesne-UT (40.31, 110.41) | Duchesne-UT (40.81, 109.98) | Duchesne-UT (39.81, 110.86) |
13 | 2812 | 18 | 1 | 8 | 1 | 13 | 95 | Park-MT (45.54, 110.42) | Park-MT (46.19, 110.78) | Park-MT (45.00, 109.80) |
14 | 2786 | 18 | 1 | 8 | 1 | 11 | 112 | Pennington-SD (44.12, 102.99) | Pennington-SD (44.51, 102.00) | Pennington-SD (43.85, 104.06) |
15 | 2594 | 7 | 2 | 8 | 1 | 22 | 76 | Park-CO (39.11, 105.85) | Lake-CO (39.30, 106.50) | Park-CO (38.70, 105.33) |
16 | 2535 | 7 | 2 | 2 | 2 | 16 | 87 | Essex-NY (44.24, 73.58) | Essex-NY (43.92, 74.34) | Chittenden-VT (44.55, 72.81) |
17 | 2430 | 18 | 1 | 8 | 1 | 21 | 76 | Washington-UT (37.30, 113.47) | Washington-UT (37.60, 114.05) | Washington-UT (37.00, 112.90) |
18 | 2256 | 18 | 1 | 8 | 1 | 17 | 85 | Hancock-ME (44.69, 68.40) | Hancock-ME (44.12, 68.73) | Hancock-ME (45.26, 68.06) |
19 | 2204 | 18 | 1 | 8 | 1 | 24 | 73 | Taos-NM (36.55, 105.61) | Taos-NM (36.02, 105.51) | Taos-NM (37.00, 106.01) |
20 | 1913 | 18 | 1 | 8 | 1 | 18 | 85 | Cook-MN (47.79, 90.31) | Cook-MN (47.39, 91.03) | Cook-MN (47.98, 89.43) |
21 | 1891 | 7 | 2 | 2 | 2 | 15 | 89 | Berkshire-MA (42.10, 73.17) | Berkshire-MA (42.74, 73.02) | Litchfield-CT (41.47, 73.31) |
22 | 1840 | 18 | 1 | 8 | 1 | 26 | 64 | Cimarron-OK (36.75, 102.52) | Cimarron-OK (37.00, 103.00) | Cimarron-OK (36.50, 102.03) |
23 | 1744 | 7 | 2 | 2 | 2 | 19 | 84 | Somerset-PA (39.73, 79.08) | Somerset-PA (40.24, 78.66) | Garrett-MD (39.21, 79.49) |
24 | 1618 | 5 | 3 | 8 | 1 | 14 | 90 | Alameda-CA (37.88, 122.36) | San Francisco-CA (37.76, 123.17) | Contra Costa-CA (38.08, 121.57) |
25 | 1576 | 18 | 1 | 8 | 1 | 27 | 61 | Marathon-WI (44.90, 89.77) | Marathon-WI (45.12, 89.22) | Marathon-WI (44.69, 90.32) |
26 | 1527 | 18 | 1 | 8 | 1 | 29 | 59 | Ontonagon-MI (46.75, 89.31) | Ontonagon-MI (46.33, 89.37) | Ontonagon-MI (47.14, 88.93) |
27 | 1278 | 18 | 1 | 8 | 1 | 34 | 52 | Price-WI (45.68, 90.36) | Price-WI (45.38, 90.68) | Price-WI (45.98, 90.04) |
28 | 1218 | 18 | 1 | 8 | 1 | 30 | 59 | Slope-ND (46.45, 103.49) | Slope-ND (46.63, 102.93) | Slope-ND (46.28, 104.05) |
29 | 1168 | 7 | 2 | 8 | 1 | 23 | 74 | Cleburne-AL (33.53, 85.79) | Clay-AL (33.10, 86.17) | Cleburne-AL (33.96, 85.40) |
30 | 1150 | 18 | 1 | 8 | 1 | 31 | 55 | Walton-FL (30.63, 86.19) | Walton-FL (30.27, 86.00) | Walton-FL (30.99, 86.39) |
31 | 1138 | 7 | 2 | 2 | 2 | 32 | 53 | Sevier-TN (35.66, 83.59) | Sevier-TN (36.04, 83.66) | Swain-NC (35.28, 83.68) |
32 | 1048 | 18 | 1 | 8 | 1 | 35 | 51 | Baraga-MI (46.71, 88.36) | Baraga-MI (47.01, 88.04) | Baraga-MI (46.42, 88.68) |
33 | 953 | 18 | 1 | 8 | 1 | 37 | 44 | Kimball-NE (41.20, 103.72) | Kimball-NE (41.00, 104.05) | Kimball-NE (41.39, 103.38) |
34 | 915 | 18 | 1 | 8 | 1 | 38 | 43 | Wallace-KS (38.92, 101.76) | Wallace-KS (39.14, 101.48) | Wallace-KS (38.70, 102.05) |
35 | 898 | 7 | 2 | 8 | 1 | 28 | 61 | Grayson-VA (36.75, 81.34) | Grayson-VA (36.56, 80.84) | Smyth-VA (36.93, 81.84) |
36 | 878 | 5 | 3 | 8 | 1 | 25 | 65 | Habersham-GA (34.82, 83.63) | Union-GA (34.65, 84.16) | Rabun-GA (34.99, 83.10) |
37 | 822 | 18 | 1 | 8 | 1 | 41 | 41 | Bienville-LA (32.34, 93.09) | Bienville-LA (32.45, 92.78) | Bienville-LA (32.24, 93.43) |
38 | 740 | 18 | 1 | 8 | 1 | 42 | 40 | Boulder-CO (40.10, 105.38) | Boulder-CO (39.94, 105.69) | Boulder-CO (40.26, 105.06) |
39 | 731 | 18 | 1 | 8 | 1 | 33 | 52 | Logan-AR (35.19, 93.71) | Logan-AR (35.06, 94.14) | Logan-AR (35.32, 93.28) |
40 | 698 | 18 | 1 | 8 | 1 | 46 | 38 | Pendleton-WV (38.68, 79.33) | Pendleton-WV (38.96, 79.35) | Pendleton-WV (38.41, 79.31) |
41 | 635 | 7 | 2 | 8 | 1 | 40 | 42 | Madison-VA (38.53, 78.31) | Page-VA (38.82, 78.39) | Madison-VA (38.23, 78.22) |
42 | 619 | 18 | 1 | 8 | 1 | 39 | 43 | Jo Daviess-IL (42.35, 90.29) | Jo Daviess-IL (42.49, 90.66) | Jo Daviess-IL (42.20, 89.92) |
43 | 552 | 18 | 1 | 8 | 1 | 36 | 46 | Reynolds-MO (37.51, 90.85) | Iron-MO (37.74, 91.15) | Iron-MO (37.27, 90.55) |
44 | 537 | 18 | 1 | 8 | 1 | 48 | 34 | Sussex-NJ (41.14, 74.68) | Sussex-NJ (41.09, 74.99) | Sussex-NJ (41.20, 74.37) |
45 | 512 | 18 | 1 | 8 | 1 | 47 | 35 | Pickens-SC (34.85, 82.72) | Pickens-SC (34.62, 82.85) | Pickens-SC (35.07, 82.57) |
46 | 494 | 18 | 1 | 8 | 1 | 43 | 40 | New Castle-DE (39.56, 75.61) | New Castle-DE (39.83, 75.47) | New Castle-DE (39.30, 75.76) |
47 | 468 | 18 | 1 | 8 | 1 | 44 | 39 | Harlan-KY (36.82, 83.17) | Harlan-KY (36.98, 82.87) | Harlan-KY (36.66, 83.46) |
48 | 467 | 18 | 1 | 8 | 1 | 49 | 31 | Logan-OH (40.38, 83.77) | Logan-OH (40.23, 83.55) | Logan-OH (40.54, 83.99) |
49 | 444 | 18 | 1 | 8 | 1 | 45 | 39 | Tishomingo-MS (34.73, 88.26) | Tishomingo-MS (34.46, 88.16) | Tishomingo-MS (35.00, 88.36) |
50 | 435 | 18 | 1 | 8 | 1 | 50 | 30 | Providence-RI (41.87, 71.58) | Providence-RI (42.01, 71.80) | Providence-RI (41.78, 71.32) |
51 | 405 | 18 | 1 | 8 | 1 | 52 | 28 | Wayne-IN (39.87, 85.01) | Wayne-IN (40.01, 84.81) | Wayne-IN (39.72, 85.19) |
52 | 399 | 18 | 1 | 8 | 1 | 51 | 29 | Osceola-IA (43.38, 95.62) | Osceola-IA (43.26, 95.39) | Osceola-IA (43.50, 95.86) |
53 | 344 | 18 | 1 | 8 | 1 | 55 | 25 | Cobb-GA (33.94, 84.58) | Cobb-GA (33.81, 84.72) | Cobb-GA (34.07, 84.42) |
54 | 313 | 18 | 1 | 8 | 1 | 54 | 28 | Yancey-NC (35.89, 82.33) | Yancey-NC (36.08, 82.40) | Yancey-NC (35.70, 82.26) |
55 | 271 | 18 | 1 | 8 | 1 | 53 | 28 | DeKalb-GA (33.79, 84.23) | DeKalb-GA (33.97, 84.35) | DeKalb-GA (33.61, 84.12) |
56 | 68 | 18 | 1 | 8 | 1 | 56 | 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 | 171 | Gilliam-OR (45.49, 120.42) | Pacific Ocean (45.67, 123.94) | Washington-ID (44.48, 117.22) | Nez Perce-ID (46.09, 116.98) |
2 | 45 | Inyo-CA (36.45, 117.66) | Kern-CA (35.80, 117.66) | Nye-NV (36.92, 117.10) | Fresno-CA (36.75, 118.37) |
3 | 50 | Carbon-WY (41.72, 106.24) | Jackson-CO (41.00, 106.25) | Platte-WY (41.72, 105.28) | Natrona-WY (42.43, 106.24) |
4 | 58 | Coconino-AZ (35.91, 111.78) | Yavapai-AZ (35.26, 112.44) | Navajo-AZ (35.91, 110.75) | Mohave-AZ (36.36, 112.66) |
5 | 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) |
6 | 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) |
7 | 34 | Custer-ID (44.06, 114.13) | Butte-ID (44.06, 113.46) | Lemhi-ID (44.49, 113.82) | Camas-ID (43.81, 114.70) |
8 | 22 | Riverside-CA (33.75, 115.05) | Imperial-CA (33.43, 115.05) | San Bernardino-CA (34.08, 115.05) | Imperial-CA (33.43, 115.05) |
9 | 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) |
10 | 25 | Culberson-TX (31.63, 104.49) | Eddy-NM (32.00, 104.48) | Hudspeth-TX (31.63, 104.91) | Reeves-TX (31.61, 104.06) |
11 | 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) |
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 | 18 | Park-MT (45.25, 110.59) | Gallatin-MT (45.35, 110.92) | Park-WY (44.99, 110.59) | Sweet Grass-MT (45.25, 110.23) |
14 | 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) |
15 | 20 | Park-CO (39.15, 105.77) | Summit-CO (39.36, 106.02) | Chaffee-CO (38.91, 105.98) | Jefferson-CO (39.15, 105.40) |
16 | 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) |
17 | 20 | Washington-UT (37.29, 113.69) | Iron-UT (37.53, 113.47) | Lincoln-NV (37.29, 114.05) | Mohave-AZ (37.00, 113.69) |
18 | 19 | Hancock-ME (44.49, 68.40) | Atlantic Ocean (44.39, 68.04) | Penobscot-ME (44.76, 68.48) | Waldo-ME (44.49, 68.79) |
19 | 17 | Taos-NM (36.75, 105.67) | Colfax-NM (36.68, 105.37) | Costilla-CO (37.00, 105.67) | Rio Arriba-NM (36.72, 105.98) |
20 | 16 | Cook-MN (47.86, 90.67) | Great Lakes (47.66, 90.49) | Canada (48.10, 90.70) | Lake-MN (47.86, 91.02) |
21 | 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) |
22 | 17 | Cimarron-OK (36.75, 102.70) | Union-NM (36.75, 103.00) | Dallam-TX (36.50, 102.69) | Baca-CO (37.00, 102.69) |
23 | 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) |
24 | 10 | Contra Costa-CA (37.89, 121.89) | Alameda-CA (37.78, 122.01) | Alameda-CA (37.75, 121.84) | Sacramento-CA (38.02, 121.82) |
25 | 15 | Marathon-WI (44.90, 89.85) | Lincoln-WI (45.12, 89.85) | Wood-WI (44.68, 89.85) | Portage-WI (44.68, 89.84) |
26 | 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) |
27 | 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) |
28 | 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) |
29 | 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) |
30 | 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) |
31 | 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) |
32 | 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) |
33 | 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) |
34 | 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) |
35 | 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) |
36 | 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) |
37 | 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) |
38 | 12 | Boulder-CO (40.09, 105.29) | Gilpin-CO (39.93, 105.40) | Jefferson-CO (39.91, 105.29) | Larimer-CO (40.26, 105.28) |
39 | 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) |
40 | 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) |
41 | 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) |
42 | 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) |
43 | 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) |
44 | 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) |
45 | 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) |
46 | 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) |
47 | 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) |
48 | 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) |
49 | 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) |
50 | 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) |
51 | 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) |
52 | 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) |
53 | 8 | Cobb-GA (33.96, 84.58) | Fulton-GA (33.91, 84.45) | Cherokee-GA (34.08, 84.58) | Paulding-GA (33.95, 84.72) |
54 | 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) |
55 | 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) |
56 | 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) |