 ridgecrest is a small town in concordia parish, louisiana, united states. the population was 694 at the 2010 census. ==geography== ridgecrest is located in northeastern concordia parish at  (31.602857, -91.527950). u.s. routes 84 and 425 form the northeast boundary of the town; the highways lead northwest  to ferriday and southeast  to vidalia on the mississippi river; natchez, mississippi, is  to the southeast. the mississippi state line is less than a mile northeast of ridgecrest in a former channel of the mississippi river known as marengo bend. according to the united states census bureau, the town has a total area of , all of it land. ==demographics== as of the census{{cite web|url=http://factfinder2.census.gov|publisher=united states census bureau|accessdate=2008-01-31
Towns_in_Concordia_Parish,_Louisiana Towns_in_Louisiana Towns_in_Natchez_micropolitan_area