
Sion Hill · National Register of Historic Places
Havre de Grace’s story
Havre de Grace in pictures
Sion Hill is a National Historic Landmark, the National Register’s top tier.
Census counts: 1,335 in 1850, 14,807 in 2020. The archive holds 22 old photos and papers going back to 1811 and 6 maps from 1900 on.
6 places on the National Register of Historic Places.
Explore the history →
Getting set upMoving to Havre de Grace: who provides what
Who provides power, water and the rest in Havre de Grace, 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 Mar 11, 2026.