| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Jacks Reef | city | New York | United States | 43.09917 | -76.42444 | 400 | 5538 |
| Jackson Corners | city | New York | United States | 42.01667 | -73.74528 | 298 | 2232 |
| Jackson Heights | city | New York | United States | 40.75556 | -73.88583 | 49 | 1235660 |
| Jackson Summit | city | New York | United States | 43.13417 | -74.28444 | 1000 | 2747 |
| Jacksonburg | city | New York | United States | 43.01417 | -74.91556 | 472 | 5698 |
| Jacksonville | city | New York | United States | 42.50833 | -76.61528 | 1053 | 5230 |
| Jacksonville | city | New York | United States | 43.215 | -76.42167 | 426 | 4973 |
| Jamaica | city | New York | United States | 40.69139 | -73.80611 | 22 | 734636 |
| Jamesport | city | New York | United States | 40.94944 | -72.58194 | 22 | 8386 |
| Jamestown | city | New York | United States | 42.09694 | -79.23556 | 1302 | 42064 |
| Jamesville | city | New York | United States | 42.99194 | -76.07194 | 606 | 21460 |
| Jamison Road | city | New York | United States | 42.805 | -78.62139 | 862 | 17363 |
| Janacks Landing Shelter | city | New York | United States | 44.11167 | -74.89194 | 1594 | 212 |
| Janesville | city | New York | United States | 42.70611 | -74.57861 | 1200 | 2945 |
| Jaquins | city | New York | United States | 42.01667 | -79.60917 | 1601 | 1710 |
| Jasper | city | New York | United States | 42.1225 | -77.50333 | 1601 | 775 |
| Java Center | city | New York | United States | 42.65 | -78.38611 | 1574 | 2347 |
| Java Village | city | New York | United States | 42.6725 | -78.43639 | 1236 | 2521 |
| Jay | city | New York | United States | 44.375 | -73.72861 | 698 | 1205 |
| Jayville | city | New York | United States | 44.15667 | -75.18861 | 1174 | 302 |
| Jeddo | city | New York | United States | 43.25528 | -78.4575 | 396 | 6941 |
| Jefferson | city | New York | United States | 42.48111 | -74.61083 | 1899 | 1036 |
| Jefferson Heights | city | New York | United States | 42.23389 | -73.88278 | 91 | 9624 |
| Jefferson Park | city | New York | United States | 43.77833 | -76.21917 | 262 | 596 |
| Jefferson Valley | city | New York | United States | 41.33806 | -73.79111 | 492 | 38795 |
| Jeffersonville | city | New York | United States | 41.78083 | -74.93417 | 1069 | 2680 |
| Jenkinstown | city | New York | United States | 41.69694 | -74.10194 | 380 | 11645 |
| Jenksville | city | New York | United States | 42.26972 | -76.24361 | 1099 | 2456 |
| Jerden Falls | city | New York | United States | 44.01278 | -75.3225 | 987 | 568 |
| Jericho | city | New York | United States | 44.79417 | -73.66306 | 1440 | 1578 |
| Jericho | city | New York | United States | 40.79194 | -73.54028 | 187 | 113769 |
| Jericho | city | New York | United States | 40.95417 | -72.20417 | 45 | 3801 |
| Jericon Corners | city | New York | United States | 43.08917 | -77.97694 | 600 | 4324 |
| Jersalem | city | New York | United States | 44.8075 | -73.74583 | 1272 | 1136 |
| Jersalem Hill | city | New York | United States | 42.9775 | -75.14639 | 1486 | 2789 |
| Jerusalem Corners | city | New York | United States | 42.68306 | -79.01528 | 649 | 11189 |
| Jewell | city | New York | United States | 43.22444 | -75.80694 | 367 | 2436 |
| Jewell Corner | city | New York | United States | 43.18583 | -73.61972 | 219 | 6671 |
| Jewett | city | New York | United States | 42.27028 | -74.30333 | 1761 | 1089 |
| Jewett Center | city | New York | United States | 42.23639 | -74.31778 | 1620 | 820 |
| Jewettville | city | New York | United States | 42.72361 | -78.68167 | 1000 | 13577 |
| Jewettville | city | New York | United States | 43.95389 | -76.09056 | 314 | 1910 |
| Jobs Corner | city | New York | United States | 42.39889 | -77.55722 | 1998 | 1708 |
| Jockey Hill | city | New York | United States | 41.98806 | -74.05028 | 518 | 15726 |
| Johnsburg | city | New York | United States | 43.61833 | -73.96167 | 1272 | 503 |
| Johnson | city | New York | United States | 41.36611 | -74.50694 | 475 | 5952 |
| Johnson City | city | New York | United States | 42.11556 | -75.95917 | 898 | 71507 |
| Johnson Corners | city | New York | United States | 43.07167 | -75.05944 | 695 | 17455 |
| Johnson Creek | city | New York | United States | 43.24556 | -78.51556 | 449 | 4838 |
| Johnsonburg | city | New York | United States | 42.7375 | -78.30972 | 1200 | 2236 |
| Johnsonville | city | New York | United States | 42.91444 | -73.51417 | 393 | 3607 |
| Johnstown | city | New York | United States | 43.00667 | -74.36806 | 698 | 27150 |
| Jones Beach | city | New York | United States | 43.37444 | -78.14833 | 262 | 2294 |
| Jones Beach | city | New York | United States | 42.90472 | -76.39444 | 1003 | 4056 |
| Jones Corners | city | New York | United States | 43.45861 | -76.38361 | 498 | 5300 |
| Jones Crossing | city | New York | United States | 42.62806 | -75.05417 | 1295 | 2170 |
| Jones Point | city | New York | United States | 43.10833 | -76.46306 | 387 | 5082 |
| Jones Point | city | New York | United States | 41.28611 | -73.95639 | 3 | 47519 |
| Jonesville | city | New York | United States | 42.91 | -73.82417 | 301 | 27198 |
| Jordan | city | New York | United States | 43.06528 | -76.47333 | 482 | 6688 |
| Jordanville | city | New York | United States | 42.91472 | -74.95194 | 1499 | 2128 |
| Joscelyn | city | New York | United States | 41.95361 | -74.86083 | 1919 | 1824 |
| Joshua | city | New York | United States | 42.91583 | -76.24333 | 1099 | 3721 |
| Joy | city | New York | United States | 43.19222 | -77.09333 | 498 | 6066 |
| Juddville | city | New York | United States | 42.88111 | -75.83306 | 1443 | 5100 |
| Junction | city | New York | United States | 42.92861 | -78.02639 | 974 | 5639 |
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