| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Castaic | city | California | United States | 34.49 | -118.62 | 1236 | |
| Castaic Junction | city | California | United States | 34.44 | -118.61 | 997 | |
| Castalia | city | Iowa | United States | 43.11 | -91.68 | 1213 | |
| Castalia | city | North Carolina | United States | 36.08 | -78.06 | 298 | |
| Castalia | city | Ohio | United States | 41.40 | -82.81 | 830 | |
| Castalian Springs | city | Mississippi | United States | 33.07 | -89.90 | 321 | |
| Castalian Springs | city | Tennessee | United States | 36.39 | -86.31 | 830 | |
| Castana | city | Iowa | United States | 42.07 | -95.91 | 1099 | |
| Castanea | city | Pennsylvania | United States | 41.12 | -77.43 | 830 | |
| Castaneda | city | Oklahoma | United States | 36.88 | -102.52 | 4189 | |
| Castaneda Colonia | city | Texas | United States | 26.27 | -98.32 | 157 | |
| Castaway Cove | city | Tennessee | United States | 35.79 | -84.11 | 866 | |
| Castañer | city | Puerto Rico | United States | 18.18 | -66.83 | 1863 | |
| Casteel (historical) | city | Arkansas | United States | 36.07 | -92.24 | 1046 | |
| Castell | city | Texas | United States | 30.70 | -98.96 | 1204 | |
| Castell Springs | city | Tennessee | United States | 36.26 | -82.82 | 1669 | |
| Castella | city | California | United States | 41.14 | -122.32 | 2089 | |
| Castellammare | city | California | United States | 34.04 | -118.56 | 0 | |
| Castellania Gardens | city | Puerto Rico | United States | 18.42 | -65.98 | 9 | |
| Caster Subdivision | city | Ohio | United States | 41.53 | -84.52 | 830 | |
| Casterton Trailer Park | city | Virginia | United States | 36.92 | -76.26 | 9 | |
| Castiel | city | Colorado | United States | 38.11 | -103.46 | 4189 | |
| Castile | city | New York | United States | 42.63 | -78.05 | 1669 | |
| Castile | city | Pennsylvania | United States | 39.99 | -80.13 | 1197 | |
| Castile Cove | city | Georgia | United States | 33.60 | -84.46 | 944 | |
| Castile Estates Mobile Home Park | city | New York | United States | 42.63 | -78.05 | 1669 | |
| Castilian Heights | city | Georgia | United States | 33.64 | -84.49 | 1017 | |
| Castilla | city | Utah | United States | 40.04 | -111.53 | 5121 | |
| Castille | city | Louisiana | United States | 30.30 | -92.22 | 32 | |
| Castille | city | Louisiana | United States | 30.37 | -91.03 | 22 | |
| Castillo | city | Florida | United States | 28.02 | -82.50 | 26 | |
| Castillo Nuevo Mobile Home Park | city | Arizona | United States | 33.41 | -111.76 | 1669 | |
| Castillo Villa | city | Florida | United States | 27.98 | -82.50 | 26 | |
| Castine | city | Maine | United States | 44.39 | -68.80 | 6 | |
| Castine | city | Ohio | United States | 39.93 | -84.62 | 1099 | |
| Castle | city | Oklahoma | United States | 35.47 | -96.38 | 980 | |
| Castle | city | Utah | United States | 40.85 | -111.91 | 4379 | |
| Castle (historical) | city | Kentucky | United States | 37.90 | -82.55 | 830 | |
| Castle Acres | city | Maryland | United States | 38.86 | -76.61 | 147 | |
| Castle Apartments | city | Delaware | United States | 39.67 | -75.59 | 26 | |
| Castle Butte | city | Arizona | United States | 35.30 | -110.35 | 5869 | |
| Castle Canyon Mesa | city | Arizona | United States | 34.59 | -112.36 | 5190 | |
| Castle Coakley | city | United States Virgin Islands | United States | 17.72 | -64.75 | 137 | |
| Castle Courts | city | Georgia | United States | 33.93 | -84.05 | 892 | |
| Castle Cove | city | Georgia | United States | 34.25 | -85.23 | 830 | |
| Castle Crag | city | California | United States | 41.16 | -122.29 | 2509 | |
| Castle Creek | city | New York | United States | 42.23 | -75.92 | 1095 | |
| Castle Dale | city | Utah | United States | 39.21 | -111.02 | 5869 | |
| Castle Danger | city | Minnesota | United States | 47.12 | -91.50 | 830 | |
| Castle Dome Landing | city | Arizona | United States | 32.97 | -114.46 | 190 | |
| Castle Farms | city | Ohio | United States | 39.87 | -83.09 | 830 | |
| Castle Fin | city | Illinois | United States | 39.47 | -87.73 | 830 | |
| Castle Fin | city | Pennsylvania | United States | 39.77 | -76.33 | 252 | |
| Castle Garden | city | Indiana | United States | 38.03 | -87.40 | 400 | |
| Castle Garden | city | Pennsylvania | United States | 41.33 | -78.14 | 843 | |
| Castle Garden | city | Pennsylvania | United States | 40.86 | -75.41 | 830 | |
| Castle Gardens | city | California | United States | 37.36 | -120.58 | 170 | |
| Castle Gardens | city | Florida | United States | 28.04 | -82.45 | 26 | |
| Castle Gate (historical) | city | Utah | United States | 39.73 | -110.87 | 5997 | |
| Castle Gate Mobile Home Park | city | New York | United States | 41.78 | -73.55 | 830 | |
| Castle Grove | city | Iowa | United States | 42.26 | -91.32 | 898 | |
| Castle Harmony | city | Maine | United States | 44.94 | -69.51 | 262 | |
| Castle Haven | city | Maryland | United States | 38.63 | -76.17 | 3 | |
| Castle Haven Estates | city | Maryland | United States | 38.15 | -75.41 | 19 | |
| Castle Hayne | city | North Carolina | United States | 34.36 | -77.90 | 9 | |
| Castle Heights | city | Arkansas | United States | 34.94 | -92.01 | 321 | |
| Castle Heights | city | Tennessee | United States | 35.95 | -83.16 | 1669 | |
| Castle Heights | city | Virginia | United States | 36.62 | -78.31 | 298 | |
| Castle Heights | city | Florida | United States | 28.04 | -82.44 | 26 | |
| Castle High Estates | city | New York | United States | 41.38 | -74.55 | 830 | |
| Castle Hill | city | Florida | United States | 28.55 | -81.68 | 127 | |
| Castle Hill | city | Virginia | United States | 37.23 | -80.00 | 1217 | |
| Castle Hill | city | Iowa | United States | 42.51 | -92.40 | 902 | |
| Castle Hill Estate | city | Texas | United States | 32.87 | -97.52 | 830 | |
| Castle Hill Houses | city | New York | United States | 40.82 | -73.85 | 22 | |
| Castle Hills | city | Delaware | United States | 39.69 | -75.56 | 16 | |
| Castle Hills | city | Texas | United States | 29.52 | -98.52 | 839 | |
| Castle Homes | city | Florida | United States | 27.99 | -82.42 | 52 | |
| Castle Hot Springs | city | Arizona | United States | 33.98 | -112.36 | 2509 | |
| Castle Junction | city | Illinois | United States | 41.39 | -90.58 | 830 | |
| Castle Manor | city | Maryland | United States | 38.95 | -76.96 | 49 | |
| Castle Manor | city | Louisiana | United States | 30.30 | -89.76 | 19 | |
| Castle Marina | city | Maryland | United States | 38.98 | -76.28 | 3 | |
| Castle Mobile Estates | city | California | United States | 36.97 | -121.97 | 29 | |
| Castle Oaks | city | North Carolina | United States | 35.29 | -77.67 | 91 | |
| Castle Oaks | city | Maryland | United States | 39.59 | -76.86 | 830 | |
| Castle Oaks | city | Colorado | United States | 39.39 | -104.81 | 6709 | |
| Castle Park | city | Michigan | United States | 42.75 | -86.21 | 830 | |
| Castle Park | city | Tennessee | United States | 34.99 | -85.21 | 830 | |
| Castle Park | city | California | United States | 32.61 | -117.07 | 121 | |
| Castle Pines | city | Colorado | United States | 39.46 | -104.90 | 6709 | |
| Castle Pines North | city | Colorado | United States | 39.47 | -104.89 | 6709 | |
| Castle Pines Village | city | Colorado | United States | 39.43 | -104.89 | 6197 | |
| Castle Point | city | New York | United States | 41.55 | -73.96 | 160 | |
| Castle Point | city | Missouri | United States | 38.76 | -90.25 | 830 | |
| Castle Ridge Estates | city | Louisiana | United States | 30.36 | -91.01 | 22 | |
| Castle Rock | city | Colorado | United States | 39.37 | -104.86 | 6709 | |
| Castle Rock | city | Minnesota | United States | 44.54 | -93.15 | 971 | |
| Castle Rock | city | Pennsylvania | United States | 39.97 | -75.44 | 298 | |
| Castle Rock | city | South Dakota | United States | 44.96 | -103.42 | 3349 | |
| Castle Rock | city | Utah | United States | 41.11 | -111.20 | 6709 | |
| Castle Rock | city | Washington | United States | 46.28 | -122.91 | 200 | |
| Castle Rock | city | Wisconsin | United States | 43.05 | -90.53 | 830 | |
| Castle Rock | city | Virginia | United States | 37.24 | -80.03 | 1177 | |
| Castle Rock (historical) | city | Missouri | United States | 38.47 | -92.15 | 830 | |
| Castle Rock (historical) | city | Montana | United States | 45.88 | -106.80 | 3500 | |
| Castle Rock Acres | city | Pennsylvania | United States | 41.09 | -75.11 | 830 | |
| Castle Rock Farms | city | Virginia | United States | 37.23 | -80.03 | 1177 | |
| Castle Rock Springs | city | California | United States | 38.77 | -122.72 | 2598 | |
| Castle Rock West | city | Virginia | United States | 37.23 | -80.03 | 1177 | |
| Castle Rocks | city | Idaho | United States | 43.33 | -115.31 | 5278 | |
| Castle Rocks | city | Pennsylvania | United States | 41.10 | -77.24 | 1669 | |
| Castle Shannon | city | Pennsylvania | United States | 40.36 | -80.02 | 1141 | |
| Castle Towers Mobile Home Park | city | Minnesota | United States | 45.41 | -93.24 | 928 | |
| Castle Town | city | Montana | United States | 46.44 | -110.67 | 6000 | |
| Castle Valley | city | Pennsylvania | United States | 40.29 | -75.16 | 298 | |
| Castle Valley | city | Utah | United States | 38.64 | -109.41 | 5029 | |
| Castleberry | city | Alabama | United States | 31.30 | -87.02 | 180 | |
| Castleberry (historical) | city | Arkansas | United States | 33.50 | -92.21 | 144 | |
| Castleberry (historical) | city | Kentucky | United States | 37.09 | -87.56 | 830 | |
| Castlebrook Estates | city | North Carolina | United States | 35.81 | -78.56 | 239 | |
| Castlefield Downs | city | Utah | United States | 40.63 | -111.87 | 4386 | |
| Castleford | city | Idaho | United States | 42.52 | -114.87 | 4189 | |
| Castleford Estates | city | Utah | United States | 40.64 | -111.99 | 4553 | |
| Castlegate | city | Georgia | United States | 32.88 | -83.74 | 830 | |
| Castlegate | city | Georgia | United States | 33.59 | -84.46 | 964 | |
| Castlegate | city | Maryland | United States | 39.09 | -76.93 | 347 | |
| Castlegate East | city | Georgia | United States | 33.61 | -85.03 | 1099 | |
| Castlegate Estates | city | Tennessee | United States | 36.09 | -86.61 | 830 | |
| Castlehaven | city | North Carolina | United States | 35.53 | -78.35 | 147 | |
| Castleman | city | Mississippi | United States | 33.20 | -90.52 | 101 | |
| Castlemans Ferry | city | Virginia | United States | 39.12 | -77.89 | 830 | |
| Castlemore | city | Maryland | United States | 38.66 | -76.67 | 98 | |
| Castlenook (historical) | city | Washington | United States | 47.27 | -122.64 | 13 | |
| Castles Rising | city | Maryland | United States | 39.52 | -76.90 | 830 | |
| Castleton | city | Illinois | United States | 41.12 | -89.71 | 830 | |
| Castleton | city | Indiana | United States | 39.91 | -86.05 | 830 | |
| Castleton | city | Kansas | United States | 37.87 | -97.97 | 1669 | |
| Castleton | city | Maryland | United States | 39.67 | -76.21 | 298 | |
| Castleton | city | Vermont | United States | 43.61 | -73.18 | 830 | |
| Castleton | city | Virginia | United States | 38.61 | -78.11 | 830 | |
| Castleton (historical) | city | South Dakota | United States | 44.07 | -103.66 | 5029 | |
| Castleton Corners | city | New York | United States | 40.61 | -74.12 | 216 | |
| Castleton Corners | city | Vermont | United States | 43.61 | -73.21 | 400 | |
| Castleton Gardens | city | North Carolina | United States | 35.18 | -80.78 | 830 | |
| Castleton-on-Hudson | city | New York | United States | 42.52 | -73.75 | 98 | |
| Castleville (historical) | city | Arkansas | United States | 36.26 | -94.31 | 1197 | |
| Castlewood | city | Georgia | United States | 32.50 | -84.92 | 318 | |
| Castlewood | city | Louisiana | United States | 30.45 | -91.09 | 45 | |
| Castlewood | city | Missouri | United States | 38.55 | -90.55 | 393 | |
| Castlewood | city | Pennsylvania | United States | 40.93 | -80.27 | 1249 | |
| Castlewood | city | South Carolina | United States | 32.80 | -80.03 | 9 | |
| Castlewood | city | South Dakota | United States | 44.72 | -97.03 | 1692 | |
| Castlewood | city | Virginia | United States | 36.89 | -82.28 | 1669 | |
| Castlewood | city | Colorado | United States | 39.58 | -104.90 | 5869 | |
| Castlewood | city | New York | United States | 43.14 | -73.66 | 298 | |
| Castlewood Estates | city | Georgia | United States | 33.79 | -84.53 | 830 | |
| Castlewood Mobile Home Park | city | Georgia | United States | 33.80 | -84.09 | 830 | |
| Castlewood Mobile Home Park | city | California | United States | 39.13 | -121.52 | 72 | |
| Castlewood North | city | Colorado | United States | 39.38 | -104.78 | 6197 | |
| Castlewood Oaks | city | Florida | United States | 28.01 | -82.25 | 49 | |
| Castlewood Trailer Court | city | Ohio | United States | 39.81 | -84.22 | 830 | |
| Castlewoods | city | Mississippi | United States | 32.35 | -90.01 | 328 | |
| Castlewoods | city | Texas | United States | 29.91 | -95.34 | 68 | |
| Castner Falls | city | Montana | United States | 47.31 | -111.50 | 3599 | |
| Casto | city | Idaho | United States | 44.57 | -114.85 | 5869 | |
| Casto Gardens | city | Utah | United States | 40.66 | -111.81 | 4534 | |
| Casto Pines Condominium | city | Utah | United States | 40.66 | -111.82 | 4534 | |
| Castolon | city | Texas | United States | 29.13 | -103.51 | 2509 | |
| Caston | city | Oklahoma | United States | 34.96 | -94.83 | 830 | |
| Castor | city | Louisiana | United States | 32.25 | -93.17 | 167 | |
| Castor | city | Missouri | United States | 37.07 | -89.98 | 341 | |
| Castor | city | Texas | United States | 31.37 | -98.51 | 1669 | |
| Castor Plunge | city | Louisiana | United States | 31.21 | -92.59 | 95 | |
| Castor Station | city | Missouri | United States | 37.53 | -90.17 | 862 | |
| Castoria | city | North Carolina | United States | 35.54 | -77.67 | 98 | |
| Castorland | city | New York | United States | 43.89 | -75.51 | 830 | |
| Castorville (historical) | city | Missouri | United States | 36.98 | -90.01 | 360 | |
| Castro City | city | California | United States | 37.40 | -122.10 | 127 | |
| Castro Heoghts | city | Utah | United States | 40.67 | -111.81 | 5029 | |
| Castro Valley | city | California | United States | 37.69 | -122.09 | 196 | |
| Castroville | city | California | United States | 36.77 | -121.76 | 9 | |
| Castroville | city | Texas | United States | 29.36 | -98.88 | 830 |