Leonia, New Jersey
（重定向自Leonia）
![](/Images/godic/202501/23/Bergen_County_New_Jersey_Incorporated_and_Unincorporated_areas_Leonia_Highlighted.svg1438.png")
![](/Images/godic/202501/23/Census_Bureau_map_of_Leonia,_New_Jersey1439.png")
![The Borough Hall of Leonia](/Images/godic/202501/23/LeoniaBoroughHall1439.jpg")
![Once Leonia High School, now Leonia Middle School](/Images/godic/202501/23/OldLeoniaHighSchool1439.JPG")
Leonia is a borough in Bergen County, New Jersey, United States. As of the 2010 United States Census, the borough's population was 8,937, reflecting an increase of 23 (+0.3%) from the 8,914 counted in the 2000 Census, which had in turn increased by 549 (+6.6%) from the 8,365 counted in the 1990 Census. It is a suburb of New York City located near the western approach to the George Washington Bridge.