area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 170664 | 1 | 23 | 1 | 4 | 1 | 746 | Lincoln-NV (37.10, 115.02) | Duchesne-UT (40.81, 109.98) | Ventura-CA (33.20, 119.59) |
2 | 53807 | 2 | 12 | 4 | 2 | 2 | 392 | Klamath-OR (42.28, 121.31) | Trinity-CA (39.98, 123.54) | Harney-OR (44.04, 118.23) |
3 | 32725 | 6 | 6 | 11 | 1 | 4 | 277 | Hot Springs-WY (43.83, 108.69) | Sublette-WY (42.28, 110.54) | Johnson-WY (44.56, 106.01) |
4 | 26827 | 7 | 5 | 11 | 1 | 3 | 350 | Pima-AZ (32.10, 111.88) | Yuma-AZ (32.62, 114.81) | Cochise-AZ (31.33, 109.05) |
5 | 21484 | 3 | 9 | 11 | 1 | 5 | 258 | Pierce-WA (46.99, 122.20) | Yakima-WA (46.04, 119.87) | Jefferson-WA (47.88, 124.61) |
6 | 20100 | 7 | 5 | 4 | 2 | 6 | 255 | Otero-NM (32.51, 105.27) | Lincoln-NM (34.35, 105.31) | Culberson-TX (30.66, 104.92) |
7 | 10749 | 9 | 4 | 4 | 2 | 9 | 163 | Lincoln-MT (47.91, 115.26) | Lincoln-MT (49.00, 116.05) | Lake-MT (47.18, 113.82) |
8 | 9541 | 4 | 8 | 2 | 3 | 7 | 187 | Lamoille-VT (44.57, 72.69) | Coos-NH (45.31, 71.08) | Essex-NY (43.92, 74.34) |
9 | 8473 | 12 | 2 | 11 | 1 | 11 | 146 | Piscataquis-ME (45.60, 69.42) | Somerset-ME (44.58, 69.82) | Piscataquis-ME (46.57, 68.82) |
10 | 7177 | 12 | 2 | 11 | 1 | 10 | 148 | Custer-ID (44.02, 114.03) | Custer-ID (44.74, 115.14) | Butte-ID (43.28, 112.95) |
11 | 6193 | 24 | 1 | 11 | 1 | 14 | 118 | Brewster-TX (29.82, 103.30) | Brewster-TX (28.97, 103.15) | Brewster-TX (30.67, 103.44) |
12 | 6067 | 24 | 1 | 11 | 1 | 15 | 117 | Pershing-NV (40.46, 118.39) | Pershing-NV (40.68, 117.30) | Pershing-NV (40.00, 119.34) |
13 | 5751 | 9 | 4 | 4 | 2 | 12 | 141 | Las Animas-CO (37.00, 105.14) | Taos-NM (36.10, 105.74) | Huerfano-CO (37.82, 104.35) |
14 | 5707 | 12 | 2 | 11 | 1 | 8 | 167 | Cibola-NM (34.77, 107.60) | Cibola-NM (34.58, 109.05) | Bernalillo-NM (34.95, 106.15) |
15 | 3151 | 24 | 1 | 11 | 1 | 22 | 86 | Wallowa-OR (45.56, 117.35) | Wallowa-OR (46.00, 117.98) | Wallowa-OR (45.08, 116.78) |
16 | 3116 | 12 | 2 | 11 | 1 | 13 | 123 | Whatcom-WA (48.69, 122.03) | Whatcom-WA (49.00, 123.32) | Whatcom-WA (48.72, 120.65) |
17 | 3037 | 24 | 1 | 11 | 1 | 17 | 93 | Glacier-MT (48.74, 113.12) | Glacier-MT (48.48, 112.18) | Glacier-MT (49.00, 114.07) |
18 | 2875 | 5 | 7 | 2 | 3 | 16 | 100 | Graham-NC (35.32, 83.81) | Sevier-TN (36.04, 83.66) | Union-GA (34.65, 84.16) |
19 | 2540 | 24 | 1 | 11 | 1 | 20 | 89 | Stevens-WA (48.41, 117.82) | Stevens-WA (47.80, 117.53) | Stevens-WA (49.00, 118.22) |
20 | 2415 | 12 | 2 | 11 | 1 | 26 | 76 | Clackamas-OR (45.38, 122.10) | Clackamas-OR (45.13, 122.79) | Hood River-OR (45.70, 121.44) |
21 | 2400 | 24 | 1 | 11 | 1 | 21 | 87 | Ravalli-MT (46.06, 114.09) | Ravalli-MT (45.46, 114.34) | Ravalli-MT (46.66, 113.83) |
22 | 2256 | 24 | 1 | 11 | 1 | 23 | 85 | Hancock-ME (44.69, 68.40) | Hancock-ME (44.12, 68.73) | Hancock-ME (45.26, 68.06) |
23 | 2130 | 24 | 1 | 11 | 1 | 28 | 67 | El Paso-CO (38.83, 104.54) | El Paso-CO (38.52, 104.05) | El Paso-CO (39.13, 105.03) |
24 | 1891 | 12 | 2 | 4 | 2 | 19 | 89 | Berkshire-MA (42.10, 73.17) | Berkshire-MA (42.74, 73.02) | Litchfield-CT (41.47, 73.31) |
25 | 1835 | 12 | 2 | 11 | 1 | 25 | 82 | Box Elder-UT (41.54, 112.00) | Weber-UT (41.08, 112.49) | Cache-UT (42.00, 111.51) |
26 | 1666 | 12 | 2 | 11 | 1 | 24 | 83 | San Juan-CO (37.88, 107.63) | Ouray-CO (38.33, 108.13) | Hinsdale-CO (37.42, 107.13) |
27 | 1009 | 12 | 2 | 11 | 1 | 18 | 90 | Alameda-CA (37.88, 122.36) | Contra Costa-CA (38.08, 121.57) | San Francisco-CA (37.76, 123.17) |
28 | 939 | 24 | 1 | 11 | 1 | 31 | 48 | Clatsop-OR (46.04, 123.70) | Clatsop-OR (46.29, 124.04) | Clatsop-OR (45.78, 123.36) |
29 | 898 | 12 | 2 | 11 | 1 | 29 | 61 | Grayson-VA (36.75, 81.34) | Grayson-VA (36.56, 80.84) | Smyth-VA (36.93, 81.84) |
30 | 890 | 12 | 2 | 11 | 1 | 34 | 44 | Boulder-CO (40.06, 105.37) | Boulder-CO (40.26, 105.06) | Gilpin-CO (39.85, 105.69) |
31 | 886 | 11 | 3 | 4 | 2 | 30 | 58 | Carter-TN (36.11, 82.13) | Carter-TN (36.51, 81.99) | Yancey-NC (35.70, 82.27) |
32 | 873 | 12 | 2 | 4 | 2 | 27 | 68 | Lee-VA (36.83, 82.90) | Harlan-KY (36.73, 83.50) | Wise-VA (36.91, 82.30) |
33 | 729 | 24 | 1 | 11 | 1 | 35 | 41 | Cheshire-NH (42.94, 72.19) | Cheshire-NH (42.71, 71.93) | Cheshire-NH (43.16, 72.45) |
34 | 720 | 24 | 1 | 11 | 1 | 37 | 39 | Orleans-VT (44.83, 72.23) | Orleans-VT (44.63, 72.48) | Orleans-VT (45.01, 71.90) |
35 | 561 | 24 | 1 | 11 | 1 | 33 | 44 | Cleburne-AL (33.69, 85.60) | Cleburne-AL (33.96, 85.40) | Cleburne-AL (33.47, 85.89) |
36 | 552 | 24 | 1 | 11 | 1 | 32 | 46 | Reynolds-MO (37.51, 90.85) | Iron-MO (37.74, 91.15) | Iron-MO (37.27, 90.55) |
37 | 512 | 24 | 1 | 11 | 1 | 39 | 35 | Pickens-SC (34.85, 82.72) | Pickens-SC (34.62, 82.85) | Pickens-SC (35.07, 82.57) |
38 | 494 | 24 | 1 | 11 | 1 | 36 | 40 | New Castle-DE (39.56, 75.61) | New Castle-DE (39.83, 75.47) | New Castle-DE (39.30, 75.76) |
39 | 444 | 24 | 1 | 11 | 1 | 38 | 39 | Tishomingo-MS (34.73, 88.26) | Tishomingo-MS (34.46, 88.16) | Tishomingo-MS (35.00, 88.36) |
40 | 435 | 24 | 1 | 11 | 1 | 41 | 30 | Providence-RI (41.87, 71.58) | Providence-RI (42.01, 71.80) | Providence-RI (41.78, 71.32) |
41 | 383 | 24 | 1 | 11 | 1 | 40 | 32 | Lake-CO (39.22, 106.36) | Lake-CO (39.38, 106.14) | Lake-CO (39.06, 106.58) |
42 | 313 | 24 | 1 | 11 | 1 | 42 | 27 | Watauga-NC (36.24, 81.69) | Watauga-NC (36.29, 81.92) | Watauga-NC (36.20, 81.46) |
floating glob radius (miles) | center county and point | county 1 and point | county 2 and point | county 3 and point |
1 | 119 | San Bernardino-CA (35.15, 116.28) | Orange-CA (33.88, 117.68) | San Diego-CA (33.43, 116.28) | Lincoln-NV (36.84, 115.89) |
2 | 54 | Siskiyou-CA (41.22, 122.37) | Lassen-CA (41.18, 121.33) | Jackson-OR (42.01, 122.35) | Humboldt-CA (41.18, 123.41) |
3 | 49 | Sublette-WY (42.98, 109.61) | Lincoln-WY (42.98, 110.59) | Sweetwater-WY (42.26, 109.62) | Hot Springs-WY (43.62, 109.17) |
4 | 48 | Cochise-AZ (32.03, 109.86) | Hidalgo-NM (32.03, 109.05) | Pinal-AZ (32.51, 110.45) | Mexico (31.33, 109.87) |
5 | 52 | King-WA (47.28, 121.40) | Kitsap-WA (47.53, 122.44) | Thurston-WA (46.76, 122.20) | Douglas-WA (47.45, 120.32) |
6 | 39 | Otero-NM (32.56, 106.02) | Sierra-NM (33.05, 106.34) | Hudspeth-TX (32.00, 106.00) | Chaves-NM (32.56, 105.35) |
7 | 27 | Lincoln-MT (48.48, 115.46) | Flathead-MT (48.23, 115.02) | Flathead-MT (48.57, 114.89) | Bonner-ID (48.48, 116.05) |
8 | 26 | Addison-VT (44.17, 73.23) | Clinton-NY (44.49, 73.50) | Washington-NY (43.81, 73.38) | Orange-VT (43.99, 72.77) |
9 | 36 | Piscataquis-ME (45.53, 69.70) | Penobscot-ME (45.51, 68.96) | Canada (45.73, 70.38) | Franklin-ME (45.13, 70.16) |
10 | 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) |
11 | 34 | Brewster-TX (29.88, 103.23) | Presidio-TX (29.88, 103.80) | Mexico (29.64, 102.74) | Pecos-TX (30.27, 102.87) |
12 | 30 | Pershing-NV (40.43, 118.71) | Churchill-NV (40.00, 118.70) | Humboldt-NV (40.86, 118.71) | Churchill-NV (40.00, 118.71) |
13 | 19 | Costilla-CO (37.47, 105.42) | Las Animas-CO (37.29, 105.15) | Saguache-CO (37.75, 105.46) | Conejos-CO (37.36, 105.74) |
14 | 25 | Cibola-NM (34.94, 107.68) | McKinley-NM (35.30, 107.63) | McKinley-NM (35.30, 107.73) | Socorro-NM (34.58, 107.69) |
15 | 26 | Wallowa-OR (45.53, 117.12) | Idaho-ID (45.83, 116.78) | Union-OR (45.34, 117.58) | Idaho-ID (45.37, 116.64) |
16 | 12 | Whatcom-WA (48.82, 121.25) | Skagit-WA (48.64, 121.25) | Canada (49.00, 121.25) | Skagit-WA (48.64, 121.25) |
17 | 23 | Glacier-MT (48.67, 113.00) | Flathead-MT (48.55, 113.47) | Pondera-MT (48.48, 112.58) | Canada (49.00, 113.00) |
18 | 18 | Macon-NC (35.25, 83.32) | Graham-NC (35.38, 83.59) | Rabun-GA (35.00, 83.31) | Haywood-NC (35.46, 83.14) |
19 | 16 | Stevens-WA (48.41, 117.85) | Ferry-WA (48.36, 118.18) | Pend Oreille-WA (48.41, 117.50) | Ferry-WA (48.53, 118.14) |
20 | 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) |
21 | 16 | Ravalli-MT (46.10, 114.13) | Idaho-ID (46.17, 114.44) | Idaho-ID (46.09, 114.46) | Granite-MT (46.05, 113.80) |
22 | 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) |
23 | 21 | El Paso-CO (38.82, 104.55) | Elbert-CO (39.13, 104.55) | Teller-CO (38.80, 104.94) | Pueblo-CO (38.52, 104.55) |
24 | 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) |
25 | 15 | Cache-UT (41.71, 111.73) | Rich-UT (41.74, 111.45) | Rich-UT (41.85, 111.51) | Box Elder-UT (41.66, 112.02) |
26 | 11 | Hinsdale-CO (37.99, 107.33) | Gunnison-CO (38.15, 107.33) | San Juan-CO (37.94, 107.53) | Mineral-CO (37.94, 107.14) |
27 | 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) |
28 | 14 | Clatsop-OR (45.98, 123.65) | Tillamook-OR (45.78, 123.72) | Columbia-OR (45.97, 123.36) | Pacific Ocean (46.01, 123.93) |
29 | 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) |
30 | 12 | Boulder-CO (40.09, 105.29) | Larimer-CO (40.26, 105.30) | Jefferson-CO (39.91, 105.29) | Larimer-CO (40.26, 105.28) |
31 | 11 | Yancey-NC (35.96, 82.26) | Unicoi-TN (36.11, 82.34) | Madison-NC (35.87, 82.42) | Avery-NC (35.99, 82.06) |
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 | 11 | Cheshire-NH (42.89, 72.28) | Windham-VT (42.98, 72.46) | Franklin-MA (42.72, 72.28) | Hillsborough-NH (42.94, 72.06) |
34 | 11 | Orleans-VT (44.85, 72.29) | Caledonia-VT (44.75, 72.11) | Canada (45.00, 72.29) | Lamoille-VT (44.72, 72.42) |
35 | 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) |
36 | 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) |
37 | 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) |
38 | 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) |
39 | 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) |
40 | 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) |
41 | 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) |
42 | 7 | Watauga-NC (36.23, 81.72) | Avery-NC (36.17, 81.83) | Caldwell-NC (36.12, 81.70) | Johnson-TN (36.34, 81.71) |