IN · CountyAdams County, Indiana16 cities in the directoryCitiesCityPopulationRegionBerne4,310—Blue Creek1,598—Decatur10,072—French1,278—Geneva1,287—Hartford1,008—Jefferson1,405—Kirkland961—Monroe900—Monroe5,393—Preble1,050—Root6,159—St. Marys1,290—Union921—Wabash6,702—Washington8,819—