
Civil War Drill Hall and Armory · National Register of Historic Places
Leonia’s story
358 years in pictures
Its founding year, 1668, comes before those of 97% of the New Jersey towns we grade with a known year.
Census counts: 804 in 1900, 9,304 in 2020. The archive holds 6 old photos and papers going back to 1786 and 7 maps from 1897 on.
3 places on the National Register of Historic Places.
Explore the history →
Getting set upMoving to Leonia: who provides what
Who provides power, water and the rest in Leonia, and how to reach them.
The full setup list →EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 18, 2024.