area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 44528 | 1 | 55 | 1 | 3 | 1 | 440 | Adams-WI (44.03, 89.75) | Douglas-WI (46.72, 92.19) | Will-IL (41.30, 87.53) |
2 | 14973 | 5 | 5 | 1 | 3 | 2 | 232 | Colfax-NM (36.99, 104.04) | Pueblo-CO (38.52, 104.94) | Harding-NM (35.39, 103.39) |
3 | 10345 | 13 | 2 | 10 | 1 | 4 | 211 | Ventura-CA (34.64, 118.91) | Ventura-CA (33.19, 119.57) | Kern-CA (35.80, 117.63) |
4 | 9194 | 23 | 1 | 10 | 1 | 5 | 177 | Pima-AZ (32.13, 111.89) | Pima-AZ (32.51, 113.33) | Pima-AZ (31.73, 110.45) |
5 | 8097 | 3 | 9 | 10 | 1 | 6 | 166 | Elbert-CO (39.23, 104.41) | Gilpin-CO (39.93, 105.68) | Lincoln-CO (38.53, 103.17) |
6 | 7454 | 2 | 12 | 4 | 2 | 3 | 227 | Franklin-NE (40.32, 98.85) | Seward-NE (41.05, 96.91) | Decatur-KS (39.57, 100.74) |
7 | 4383 | 13 | 2 | 10 | 1 | 7 | 132 | no county here (47.56, 90.72) | Lake-MN (46.94, 91.79) | Cook-MN (47.98, 89.43) |
8 | 4345 | 13 | 2 | 10 | 1 | 8 | 125 | Pennington-SD (44.00, 103.04) | Custer-SD (43.48, 104.05) | Pennington-SD (44.51, 102.00) |
9 | 3580 | 7 | 4 | 4 | 2 | 10 | 103 | Fayette-PA (39.94, 79.54) | Westmoreland-PA (40.68, 79.67) | Garrett-MD (39.20, 79.47) |
10 | 3344 | 23 | 1 | 10 | 1 | 9 | 106 | Mesa-CO (38.94, 108.25) | Mesa-CO (39.37, 107.43) | Mesa-CO (38.50, 109.06) |
11 | 2716 | 10 | 3 | 1 | 3 | 11 | 102 | Columbia-NY (42.09, 73.51) | Berkshire-MA (42.74, 73.02) | Dutchess-NY (41.44, 73.98) |
12 | 2633 | 23 | 1 | 10 | 1 | 14 | 79 | Larimer-CO (40.67, 105.56) | Larimer-CO (41.00, 106.19) | Larimer-CO (40.35, 104.95) |
13 | 2148 | 13 | 2 | 10 | 1 | 13 | 80 | Cheyenne-NE (41.20, 103.33) | Kimball-NE (41.00, 104.05) | Cheyenne-NE (41.40, 102.61) |
14 | 2003 | 4 | 6 | 10 | 1 | 12 | 95 | Madison-VA (38.37, 78.37) | Warren-VA (39.02, 78.06) | Albemarle-VA (37.72, 78.67) |
15 | 1878 | 7 | 4 | 4 | 2 | 19 | 70 | Saint Clair-IL (38.56, 89.96) | Monroe-IL (38.09, 90.21) | Madison-IL (39.00, 89.64) |
16 | 1811 | 10 | 3 | 10 | 1 | 20 | 67 | Sangamon-IL (39.90, 89.54) | Logan-IL (40.28, 89.15) | Sangamon-IL (39.52, 89.93) |
17 | 1709 | 23 | 1 | 10 | 1 | 16 | 72 | Lyman-SD (43.85, 99.83) | Lyman-SD (43.50, 99.29) | Lyman-SD (44.19, 100.37) |
18 | 1676 | 7 | 4 | 4 | 2 | 18 | 71 | Bristol-MA (41.95, 71.16) | Suffolk-MA (42.45, 71.02) | Bristol-MA (41.43, 71.06) |
19 | 1644 | 23 | 1 | 10 | 1 | 23 | 58 | Prowers-CO (37.95, 102.40) | Prowers-CO (38.27, 102.04) | Prowers-CO (37.64, 102.75) |
20 | 1326 | 13 | 2 | 10 | 1 | 15 | 75 | Iron-MO (37.34, 90.69) | Iron-MO (37.74, 91.15) | Wayne-MO (36.92, 90.24) |
21 | 1306 | 23 | 1 | 10 | 1 | 22 | 63 | Santa Clara-CA (37.20, 121.70) | Santa Clara-CA (37.43, 122.19) | Santa Clara-CA (36.96, 121.21) |
22 | 1168 | 23 | 1 | 10 | 1 | 21 | 64 | Bernalillo-NM (35.05, 106.67) | Bernalillo-NM (35.22, 107.20) | Bernalillo-NM (34.87, 106.15) |
23 | 1136 | 23 | 1 | 10 | 1 | 24 | 56 | Roberts-SD (45.62, 96.87) | Roberts-SD (45.94, 97.23) | Roberts-SD (45.33, 96.47) |
24 | 1073 | 23 | 1 | 10 | 1 | 31 | 47 | Gove-KS (38.92, 100.48) | Gove-KS (39.13, 100.15) | Gove-KS (38.70, 100.82) |
25 | 1048 | 23 | 1 | 10 | 1 | 28 | 51 | Baraga-MI (46.71, 88.36) | Baraga-MI (47.01, 88.04) | Baraga-MI (46.42, 88.68) |
26 | 1011 | 13 | 2 | 10 | 1 | 26 | 55 | White-IN (40.56, 86.84) | Tippecanoe-IN (40.21, 87.09) | White-IN (40.91, 86.58) |
27 | 982 | 13 | 2 | 10 | 1 | 25 | 56 | Summit-OH (41.30, 81.55) | Summit-OH (40.91, 81.42) | Cuyahoga-OH (41.71, 81.49) |
28 | 933 | 13 | 2 | 10 | 1 | 30 | 47 | Fairfield-OH (39.67, 82.53) | Hocking-OH (39.38, 82.29) | Fairfield-OH (39.94, 82.81) |
29 | 915 | 23 | 1 | 10 | 1 | 32 | 43 | Wallace-KS (38.92, 101.76) | Wallace-KS (39.14, 101.48) | Wallace-KS (38.70, 102.05) |
30 | 904 | 13 | 2 | 10 | 1 | 27 | 53 | Logan-OH (40.32, 83.58) | Union-OH (40.11, 83.17) | Logan-OH (40.54, 83.99) |
31 | 828 | 10 | 3 | 4 | 2 | 17 | 71 | Salem-NJ (39.71, 75.36) | Philadelphia-PA (40.12, 74.96) | New Castle-DE (39.30, 75.76) |
32 | 814 | 23 | 1 | 10 | 1 | 33 | 42 | Minnehaha-SD (43.67, 96.79) | Minnehaha-SD (43.50, 97.13) | Minnehaha-SD (43.85, 96.45) |
33 | 803 | 23 | 1 | 10 | 1 | 29 | 50 | Contra Costa-CA (37.93, 121.98) | Contra Costa-CA (37.85, 121.53) | Contra Costa-CA (37.97, 122.44) |
34 | 698 | 23 | 1 | 10 | 1 | 36 | 38 | Pendleton-WV (38.68, 79.33) | Pendleton-WV (38.96, 79.35) | Pendleton-WV (38.41, 79.31) |
35 | 667 | 23 | 1 | 10 | 1 | 37 | 37 | Frederick-MD (39.49, 77.40) | Frederick-MD (39.22, 77.46) | Frederick-MD (39.72, 77.22) |
36 | 644 | 23 | 1 | 10 | 1 | 35 | 39 | Niagara-NY (43.25, 78.77) | Niagara-NY (43.42, 78.47) | Niagara-NY (43.08, 79.07) |
37 | 591 | 23 | 1 | 10 | 1 | 39 | 35 | Dallas-IA (41.69, 94.03) | Dallas-IA (41.86, 94.28) | Dallas-IA (41.51, 93.79) |
38 | 575 | 23 | 1 | 10 | 1 | 34 | 39 | Hamilton-TN (35.19, 85.23) | Hamilton-TN (35.41, 85.02) | Hamilton-TN (34.98, 85.47) |
39 | 575 | 23 | 1 | 10 | 1 | 40 | 34 | Grant-MN (45.93, 96.01) | Grant-MN (45.76, 95.76) | Grant-MN (46.11, 96.27) |
40 | 573 | 23 | 1 | 10 | 1 | 42 | 34 | Hancock-IA (43.08, 93.74) | Hancock-IA (42.91, 93.97) | Hancock-IA (43.26, 93.50) |
41 | 565 | 23 | 1 | 10 | 1 | 43 | 34 | Cass-IA (41.33, 94.93) | Cass-IA (41.16, 94.70) | Cass-IA (41.51, 95.15) |
42 | 537 | 23 | 1 | 10 | 1 | 44 | 34 | Sussex-NJ (41.14, 74.68) | Sussex-NJ (41.09, 74.99) | Sussex-NJ (41.20, 74.37) |
43 | 508 | 5 | 5 | 4 | 2 | 41 | 34 | Fairfax-VA (38.85, 77.22) | Fairfax-VA (38.84, 77.54) | City of Washington-DC (38.89, 76.91) |
44 | 501 | 23 | 1 | 10 | 1 | 38 | 37 | Richland-OH (40.78, 82.53) | Richland-OH (41.00, 82.72) | Richland-OH (40.55, 82.34) |
45 | 419 | 23 | 1 | 10 | 1 | 46 | 30 | Paulding-OH (41.12, 84.57) | Paulding-OH (41.25, 84.80) | Paulding-OH (40.99, 84.34) |
46 | 405 | 23 | 1 | 10 | 1 | 48 | 28 | Wayne-IN (39.87, 85.01) | Wayne-IN (40.01, 84.81) | Wayne-IN (39.72, 85.19) |
47 | 399 | 23 | 1 | 10 | 1 | 47 | 29 | Osceola-IA (43.38, 95.62) | Osceola-IA (43.26, 95.39) | Osceola-IA (43.50, 95.86) |
48 | 368 | 23 | 1 | 10 | 1 | 45 | 33 | Scott-MN (44.64, 93.59) | Scott-MN (44.54, 93.91) | Scott-MN (44.79, 93.33) |
49 | 271 | 23 | 1 | 10 | 1 | 49 | 28 | DeKalb-GA (33.79, 84.23) | DeKalb-GA (33.97, 84.35) | DeKalb-GA (33.61, 84.12) |
50 | 92 | 23 | 1 | 10 | 1 | 51 | 15 | Baltimore City-MD (39.29, 76.62) | Baltimore City-MD (39.20, 76.55) | Baltimore City-MD (39.37, 76.71) |
51 | 34 | 23 | 1 | 10 | 1 | 50 | 15 | New York-NY (40.78, 73.97) | New York-NY (40.68, 74.02) | New York-NY (40.88, 73.91) |
52 | 12 | 13 | 2 | 10 | 1 | 52 | 7 | Manassas-VA (38.75, 77.48) | Manassas-VA (38.72, 77.52) | Manassas Park-VA (38.78, 77.43) |
53 | 9 | 23 | 1 | 10 | 1 | 53 | 4 | Staunton-VA (38.16, 79.07) | Staunton-VA (38.15, 79.11) | Staunton-VA (38.17, 79.04) |
floating glob radius (miles) | center county and point | county 1 and point | county 2 and point | county 3 and point |
1 | 39 | Lincoln-WI (45.44, 89.77) | Shawano-WI (45.03, 89.22) | Iron-WI (45.98, 89.93) | Clark-WI (45.03, 90.32) |
2 | 29 | Union-NM (36.73, 103.48) | Dallam-TX (36.50, 103.04) | Baca-CO (37.00, 103.09) | Colfax-NM (36.73, 104.01) |
3 | 34 | Kern-CA (35.30, 118.95) | San Luis Obispo-CA (35.08, 119.47) | Los Angeles-CA (34.82, 118.89) | Tulare-CA (35.79, 118.94) |
4 | 33 | Pima-AZ (32.02, 111.61) | Santa Cruz-AZ (31.73, 111.16) | Pinal-AZ (32.50, 111.57) | Mexico (31.57, 111.81) |
5 | 26 | Elbert-CO (39.50, 104.18) | Douglas-CO (39.50, 104.66) | El Paso-CO (39.13, 104.18) | Washington-CO (39.57, 103.71) |
6 | 16 | Red Willow-NE (40.11, 100.45) | Norton-KS (40.00, 100.18) | Frontier-NE (40.35, 100.45) | Hitchcock-NE (40.12, 100.76) |
7 | 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) |
8 | 23 | Custer-SD (43.81, 103.36) | Shannon-SD (43.61, 103.00) | Meade-SD (44.14, 103.36) | Fall River-SD (43.48, 103.37) |
9 | 24 | Fayette-PA (40.06, 79.39) | Cambria-PA (40.28, 79.06) | Allegheny-PA (40.23, 79.78) | Preston-WV (39.72, 79.48) |
10 | 21 | Mesa-CO (39.05, 108.65) | Garfield-CO (39.37, 108.65) | Grand-UT (39.06, 109.05) | Delta-CO (38.83, 108.38) |
11 | 15 | Litchfield-CT (41.83, 73.31) | Fairfield-CT (41.66, 73.49) | Hartford-CT (41.80, 73.02) | Columbia-NY (41.98, 73.53) |
12 | 24 | Larimer-CO (40.65, 105.41) | Grand-CO (40.47, 105.81) | Weld-CO (40.65, 104.94) | Albany-WY (41.00, 105.41) |
13 | 15 | Cheyenne-NE (41.22, 102.90) | Logan-CO (41.00, 102.90) | Deuel-NE (41.22, 102.61) | Morrill-NE (41.44, 102.90) |
14 | 11 | Rappahannock-VA (38.70, 78.25) | Culpeper-VA (38.54, 78.22) | Culpeper-VA (38.59, 78.09) | Shenandoah-VA (38.81, 78.41) |
15 | 16 | Saint Clair-IL (38.45, 89.99) | Clinton-IL (38.45, 89.70) | Saint Louis-MO (38.50, 90.27) | Randolph-IL (38.22, 90.00) |
16 | 16 | Sangamon-IL (39.89, 89.69) | Christian-IL (39.76, 89.43) | Mason-IL (40.12, 89.60) | Cass-IL (39.89, 89.99) |
17 | 16 | Lyman-SD (43.93, 100.05) | Jones-SD (43.85, 100.34) | Tripp-SD (43.71, 100.01) | Hughes-SD (44.13, 99.88) |
18 | 12 | Bristol-MA (41.95, 71.28) | Worcester-MA (42.02, 71.50) | Bristol-RI (41.78, 71.32) | Plymouth-MA (41.98, 71.05) |
19 | 19 | Prowers-CO (37.92, 102.39) | Baca-CO (37.64, 102.39) | Hamilton-KS (37.92, 102.04) | Bent-CO (37.92, 102.74) |
20 | 13 | Wayne-MO (37.12, 90.50) | Butler-MO (36.93, 90.50) | Madison-MO (37.32, 90.49) | Reynolds-MO (37.17, 90.74) |
21 | 14 | Santa Clara-CA (37.28, 121.72) | Stanislaus-CA (37.29, 121.46) | Alameda-CA (37.48, 121.72) | Santa Cruz-CA (37.10, 121.84) |
22 | 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) |
23 | 11 | Roberts-SD (45.77, 96.99) | Richland-ND (45.94, 96.99) | Marshall-SD (45.77, 97.23) | Traverse-MN (45.65, 96.83) |
24 | 15 | Gove-KS (38.92, 100.43) | Sheridan-KS (39.13, 100.43) | Lane-KS (38.70, 100.43) | Trego-KS (38.91, 100.15) |
25 | 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) |
26 | 11 | Tippecanoe-IN (40.44, 86.89) | Carroll-IN (40.44, 86.69) | Carroll-IN (40.56, 86.77) | Warren-IN (40.44, 87.09) |
27 | 11 | Cuyahoga-OH (41.43, 81.60) | Medina-OH (41.28, 81.68) | Geauga-OH (41.42, 81.39) | Great Lakes (41.55, 81.74) |
28 | 12 | Fairfield-OH (39.70, 82.61) | Perry-OH (39.74, 82.40) | Pickaway-OH (39.71, 82.83) | Pickaway-OH (39.55, 82.73) |
29 | 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) |
30 | 10 | Union-OH (40.36, 83.44) | Champaign-OH (40.23, 83.49) | Delaware-OH (40.36, 83.25) | Hardin-OH (40.51, 83.44) |
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 | 12 | Minnehaha-SD (43.67, 96.89) | Lincoln-SD (43.50, 96.89) | Moody-SD (43.85, 96.89) | Lake-SD (43.85, 96.89) |
33 | 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) |
34 | 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) |
35 | 12 | Frederick-MD (39.45, 77.39) | Washington-MD (39.47, 77.62) | Montgomery-MD (39.30, 77.28) | Carroll-MD (39.60, 77.29) |
36 | 10 | Niagara-NY (43.24, 78.70) | Great Lakes (43.39, 78.71) | Great Lakes (43.38, 78.77) | Erie-NY (43.10, 78.64) |
37 | 12 | Dallas-IA (41.69, 94.04) | Boone-IA (41.86, 94.05) | Guthrie-IA (41.60, 94.24) | Polk-IA (41.69, 93.81) |
38 | 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) |
39 | 12 | Grant-MN (45.93, 96.01) | Stevens-MN (45.76, 96.01) | Douglas-MN (45.93, 95.77) | Traverse-MN (45.93, 96.25) |
40 | 12 | Hancock-IA (43.08, 93.73) | Wright-IA (42.91, 93.73) | Cerro Gordo-IA (43.08, 93.50) | Kossuth-IA (43.08, 93.97) |
41 | 12 | Cass-IA (41.33, 94.93) | Montgomery-IA (41.16, 94.93) | Adair-IA (41.33, 94.70) | Pottawattamie-IA (41.33, 95.16) |
42 | 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) |
43 | 9 | Fairfax city-VA (38.86, 77.30) | Prince William-VA (38.77, 77.41) | Alexandria-VA (38.83, 77.14) | Montgomery-MD (38.98, 77.24) |
44 | 8 | Richland-OH (40.85, 82.57) | Ashland-OH (40.82, 82.42) | Ashland-OH (40.86, 82.42) | Crawford-OH (40.86, 82.72) |
45 | 9 | Paulding-OH (41.12, 84.59) | Defiance-OH (41.21, 84.46) | Defiance-OH (41.25, 84.59) | Van Wert-OH (40.99, 84.59) |
46 | 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) |
47 | 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) |
48 | 8 | Scott-MN (44.66, 93.48) | Dakota-MN (44.66, 93.32) | Carver-MN (44.71, 93.62) | Rice-MN (44.54, 93.48) |
49 | 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) |
50 | 4 | Baltimore City-MD (39.31, 76.61) | Baltimore-MD (39.37, 76.61) | Baltimore-MD (39.25, 76.65) | Baltimore-MD (39.31, 76.53) |
51 | 2 | New York-NY (40.79, 73.95) | Bergen-NJ (40.80, 73.98) | Queens-NY (40.78, 73.94) | Bronx-NY (40.80, 73.93) |
52 | 1 | Manassas-VA (38.75, 77.48) | Prince William-VA (38.75, 77.45) | Prince William-VA (38.77, 77.49) | Prince William-VA (38.73, 77.49) |
53 | 1 | Staunton-VA (38.16, 79.08) | Augusta-VA (38.15, 79.06) | Augusta-VA (38.17, 79.07) | Augusta-VA (38.14, 79.09) |