I thought North Carolina might be interesting; I was not disappointed! More observations in the mountains, along the coast, and in tech/urban areas.
Like my Pennsylvania map, this one does all-time verifiable observations:
Here’s the link where you can hover over each county:
https://www.datawrapper.de/_/tHY55/
As a table (listing all states)
| County | Observations | Population | Observations per Capita |
|---|---|---|---|
| Alamance | 46,305 | 181,097 | 0.26 |
| Alexander | 9564 | 36,231 | 0.26 |
| Alleghany | 7,591 | 11,513 | 0.66 |
| Anson | 17,888 | 21,619 | 0.83 |
| Ashe | 28,240 | 26,694 | 1.06 |
| Avery | 50,402 | 17,510 | 2.88 |
| Beaufort | 10977 | 44,003 | 0.25 |
| Bertie | 1735 | 16,856 | 0.10 |
| Bladen | 9,767 | 29,153 | 0.34 |
| Brunswick | 58,533 | 160,440 | 0.36 |
| Buncombe | 253,020 | 277,047 | 0.91 |
| Burke | 26022 | 89,974 | 0.29 |
| Cabarrus | 45,068 | 242,880 | 0.19 |
| Caldwell | 23,026 | 81,960 | 0.28 |
| Camden | 2370 | 10,737 | 0.22 |
| Carteret | 46,335 | 70,268 | 0.66 |
| Caswell | 3810 | 22,461 | 0.17 |
| Catawba | 34,586 | 166,196 | 0.21 |
| Chatham | 89,845 | 81,248 | 1.11 |
| Cherokee | 7,619 | 29,691 | 0.26 |
| Chowan | 2040 | 13,710 | 0.15 |
| Clay | 14,334 | 11,725 | 1.22 |
| Cleveland | 3874 | 100,498 | 0.04 |
| Columbus | 9625 | 50,389 | 0.19 |
| Craven | 14818 | 103,605 | 0.14 |
| Cumberland | 24953 | 337,970 | 0.07 |
| Currituck | 23072 | 31,396 | 0.73 |
| Dare | 94578 | 38,019 | 2.49 |
| Davidson | 21913 | 176,388 | 0.12 |
| Davie | 4619 | 44,249 | 0.10 |
| Duplin | 2006 | 49,178 | 0.04 |
| Durham | 211837 | 337,263 | 0.63 |
| Edgecombe | 2087 | 48,491 | 0.04 |
| Forsyth | 46014 | 393,062 | 0.12 |
| Franklin | 9197 | 77,561 | 0.12 |
| Gaston | 25912 | 240,820 | 0.11 |
| Gates | 5339 | 10,297 | 0.52 |
| Graham | 14389 | 7,985 | 1.80 |
| Granville | 11326 | 62,174 | 0.18 |
| Greene | 693 | 20,153 | 0.03 |
| Guilford | 95,683 | 550,202 | 0.17 |
| Halifax | 4936 | 46,616 | 0.11 |
| Harnett | 17954 | 140,984 | 0.13 |
| Haywood | 70005 | 63,949 | 1.09 |
| Henderson | 48976 | 120,597 | 0.41 |
| Hertford | 1183 | 18,772 | 0.06 |
| Hoke | 6435 | 55,054 | 0.12 |
| Hyde | 15739 | 4,671 | 3.37 |
| Iredell | 20032 | 202,038 | 0.10 |
| Jackson | 56935 | 44,274 | 1.29 |
| Johnston | 21734 | 241,049 | 0.09 |
| Jones | 4536 | 9,208 | 0.49 |
| Lee | 5944 | 67,308 | 0.09 |
| Lenoir | 3266 | 53,966 | 0.06 |
| Lincoln | 4655 | 94,819 | 0.05 |
| McDowell | 15601 | 44,521 | 0.35 |
| Macon | 50588 | 38,152 | 1.33 |
| Madison | 34311 | 21,753 | 1.58 |
| Martin | 2243 | 21,183 | 0.11 |
| Mecklenburg | 132432 | 1,162,168 | 0.11 |
| Mitchell | 14666 | 14,721 | 1.00 |
| Montgomery | 10350 | 25,833 | 0.40 |
| Moore | 22641 | 107,861 | 0.21 |
| Nash | 9268 | 97,802 | 0.09 |
| New Hanover | 92278 | 239,514 | 0.39 |
| Northampton | 963 | 16,503 | 0.06 |
| Onslow | 20633 | 213,447 | 0.10 |
| Orange | 276645 | 150,913 | 1.83 |
| Pamlico | 2075 | 12,521 | 0.17 |
| Pasquotank | 1942 | 41,417 | 0.05 |
| Pender | 21340 | 67,464 | 0.32 |
| Perquimans | 1448 | 13,278 | 0.11 |
| Person | 7508 | 39,461 | 0.19 |
| Pitt | 13998 | 174,842 | 0.08 |
| Polk | 15115 | 19,742 | 0.77 |
| Randolph | 27564 | 146,496 | 0.19 |
| Richmond | 10574 | 42,068 | 0.25 |
| Robeson | 12318 | 116,438 | 0.11 |
| Rockingham | 10077 | 92,416 | 0.11 |
| Rowan | 12932 | 152,450 | 0.08 |
| Rutherford | 15430 | 64,692 | 0.24 |
| Sampson | 2976 | 59,514 | 0.05 |
| Scotland | 14576 | 33,567 | 0.43 |
| Stanly | 10908 | 64,999 | 0.17 |
| Stokes | 14598 | 45,493 | 0.32 |
| Surry | 12717 | 71,774 | 0.18 |
| Swain | 68609 | 13,827 | 4.96 |
| Transylvania | 68281 | 33,193 | 2.06 |
| Tyrrell | 5668 | 3,480 | 1.63 |
| Union | 34664 | 257,682 | 0.13 |
| Vance | 3180 | 41,263 | 0.08 |
| Wake | 460863 | 1,194,900 | 0.39 |
| Warren | 2413 | 18,615 | 0.13 |
| Washington | 3772 | 10,548 | 0.36 |
| Watauga | 80910 | 54,972 | 1.47 |
| Wayne | 6150 | 117,748 | 0.05 |
| Wilkes | 15296 | 65,987 | 0.23 |
| Wilson | 4112 | 78,792 | 0.05 |
| Yadkin | 3029 | 37,722 | 0.08 |
| Yancey | 34246 | 18,524 | 1.85 |