
Davis Island Lock and Dam Site · National Register of Historic Places
Avalon’s story
226 years in pictures
Census counts: 326 in 1880, a peak of 7,010 in 1970, 4,762 in 2020. The archive holds 13 old photos and papers going back to 1885 and 2 maps from 1951 on.
1 place on the National Register of Historic Places.
Explore the history →
Getting set upMoving to Avalon: who provides what
Who provides power, water and the rest in Avalon, 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.