area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 | FGR (miles) | center county and point | county 1 and point | county 2 and point | county 3 and point |
| 1 | 36392 | 2 | 9 | 1 | 2 | 1 | 372 | Klamath-OR (42.41, 122.02) | Trinity-CA (39.98, 123.54) | Jefferson-OR (44.82, 120.37) | 54 | Lane-OR (43.77, 122.38) | Lake-OR (43.62, 121.33) | Benton-OR (44.28, 123.20) | Jackson-OR (43.00, 122.39) |
| 2 | 25936 | 1 | 12 | 5 | 1 | 2 | 263 | King-WA (47.51, 121.76) | Jefferson-WA (47.87, 124.61) | Douglas-WA (48.02, 118.95) | 56 | King-WA (47.59, 121.23) | Kitsap-WA (47.54, 122.44) | Lewis-WA (46.78, 121.46) | Okanogan-WA (48.13, 120.33) |
| 3 | 20100 | 3 | 5 | 1 | 2 | 3 | 255 | Otero-NM (32.51, 105.27) | Lincoln-NM (34.35, 105.31) | Culberson-TX (30.66, 104.92) | 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) |
| 4 | 12616 | 4 | 2 | 5 | 1 | 4 | 198 | Pershing-NV (40.58, 119.29) | Washoe-NV (41.99, 119.32) | Washoe-NV (39.17, 120.00) | 34 | Washoe-NV (40.47, 119.36) | Churchill-NV (40.00, 119.22) | Humboldt-NV (40.96, 119.33) | Lassen-CA (40.48, 120.00) |
| 5 | 6193 | 8 | 1 | 5 | 1 | 6 | 118 | Brewster-TX (29.82, 103.30) | Brewster-TX (28.97, 103.15) | Brewster-TX (30.67, 103.44) | 34 | Brewster-TX (29.88, 103.23) | Presidio-TX (29.88, 103.80) | Mexico (29.64, 102.74) | Pecos-TX (30.27, 102.87) |
| 6 | 5072 | 8 | 1 | 5 | 1 | 9 | 101 | Hawaii-HI (19.62, 155.55) | Hawaii-HI (18.86, 155.68) | Hawaii-HI (20.32, 155.85) | 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 | 4741 | 8 | 1 | 5 | 1 | 5 | 149 | Los Angeles-CA (33.84, 118.27) | Los Angeles-CA (32.76, 118.45) | Los Angeles-CA (34.82, 117.67) | 29 | Los Angeles-CA (34.41, 118.16) | Ventura-CA (34.29, 118.64) | San Bernardino-CA (34.44, 117.66) | Kern-CA (34.82, 118.16) |
| 8 | 4380 | 8 | 1 | 5 | 1 | 7 | 115 | Piscataquis-ME (45.80, 69.27) | Piscataquis-ME (45.01, 69.62) | Piscataquis-ME (46.57, 68.82) | 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) |
| 9 | 3151 | 8 | 1 | 5 | 1 | 11 | 86 | Wallowa-OR (45.56, 117.35) | Wallowa-OR (46.00, 117.98) | Wallowa-OR (45.08, 116.78) | 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) |
| 10 | 2786 | 8 | 1 | 5 | 1 | 8 | 112 | Pennington-SD (44.12, 102.99) | Pennington-SD (44.51, 102.00) | Pennington-SD (43.85, 104.06) | 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) |
| 11 | 2540 | 8 | 1 | 5 | 1 | 10 | 89 | Stevens-WA (48.41, 117.82) | Stevens-WA (47.80, 117.53) | Stevens-WA (49.00, 118.22) | 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) |
| 12 | 2415 | 4 | 2 | 5 | 1 | 15 | 76 | Clackamas-OR (45.38, 122.10) | Clackamas-OR (45.13, 122.79) | Hood River-OR (45.70, 121.44) | 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) |
| 13 | 2029 | 4 | 2 | 1 | 2 | 14 | 78 | Wahkiakum-WA (46.29, 123.73) | Pacific-WA (46.79, 124.10) | Clatsop-OR (45.78, 123.36) | 14 | Pacific-WA (46.59, 123.76) | Pacific Ocean (46.65, 124.05) | Wahkiakum-WA (46.39, 123.73) | Grays Harbor-WA (46.79, 123.77) |
| 14 | 1919 | 8 | 1 | 5 | 1 | 16 | 75 | Bonner-ID (48.41, 116.55) | Bonner-ID (47.98, 116.05) | Bonner-ID (48.85, 117.03) | 18 | Bonner-ID (48.25, 116.54) | Boundary-ID (48.50, 116.54) | Kootenai-ID (47.99, 116.54) | Shoshone-ID (48.06, 116.28) |
| 15 | 1831 | 8 | 1 | 5 | 1 | 12 | 85 | Coos-NH (44.70, 71.21) | Coos-NH (44.09, 71.34) | Coos-NH (45.31, 71.08) | 14 | Coos-NH (44.44, 71.30) | Carroll-NH (44.24, 71.25) | Oxford-ME (44.45, 71.02) | Essex-VT (44.50, 71.58) |
| 16 | 1744 | 4 | 2 | 1 | 2 | 13 | 84 | Somerset-PA (39.73, 79.08) | Somerset-PA (40.24, 78.66) | Garrett-MD (39.21, 79.49) | 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) |
| 17 | 1654 | 8 | 1 | 5 | 1 | 17 | 65 | Lake-MT (47.60, 114.06) | Lake-MT (48.05, 113.89) | Lake-MT (47.14, 114.19) | 14 | Lake-MT (47.76, 114.14) | Sanders-MT (47.60, 114.32) | Missoula-MT (47.60, 113.95) | Flathead-MT (47.96, 114.14) |
| 18 | 698 | 8 | 1 | 5 | 1 | 20 | 38 | Pendleton-WV (38.68, 79.33) | Pendleton-WV (38.96, 79.35) | Pendleton-WV (38.41, 79.31) | 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) |
| 19 | 552 | 8 | 1 | 5 | 1 | 18 | 46 | Reynolds-MO (37.51, 90.85) | Iron-MO (37.74, 91.15) | Iron-MO (37.27, 90.55) | 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) |
| 20 | 537 | 8 | 1 | 5 | 1 | 21 | 34 | Sussex-NJ (41.14, 74.68) | Sussex-NJ (41.09, 74.99) | Sussex-NJ (41.20, 74.37) | 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) |
| 21 | 517 | 8 | 1 | 5 | 1 | 23 | 32 | Washington-IN (38.59, 86.10) | Washington-IN (38.75, 85.90) | Washington-IN (38.42, 86.31) | 11 | Washington-IN (38.61, 86.11) | Clark-IN (38.49, 85.99) | Jackson-IN (38.76, 86.14) | Orange-IN (38.61, 86.31) |
| 22 | 467 | 8 | 1 | 5 | 1 | 24 | 31 | Logan-OH (40.38, 83.77) | Logan-OH (40.23, 83.55) | Logan-OH (40.54, 83.99) | 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) |
| 23 | 405 | 8 | 1 | 5 | 1 | 25 | 28 | Wayne-IN (39.87, 85.01) | Wayne-IN (40.01, 84.81) | Wayne-IN (39.72, 85.19) | 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) |
| 24 | 383 | 8 | 1 | 5 | 1 | 22 | 32 | Lake-CO (39.22, 106.36) | Lake-CO (39.38, 106.14) | Lake-CO (39.06, 106.58) | 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) |
| 25 | 374 | 8 | 1 | 5 | 1 | 19 | 39 | Pope-IL (37.34, 88.56) | Pope-IL (37.60, 88.71) | Pope-IL (37.07, 88.48) | 8 | Pope-IL (37.48, 88.56) | Johnson-IL (37.49, 88.71) | Livingston-KY (37.41, 88.46) | Saline-IL (37.60, 88.56) |