
Curwood Castle · National Register of Historic Places
Owosso’s story
167 years in pictures
Its 33 National Register listings are more than in 98% of Michigan towns with a listing.
Census counts: 1,160 in 1860, 14,714 in 2020. The archive holds 6 old photos and papers going back to 1838 and a map from 1972 on.
- 1859Owosso is incorporated
Explore the history →
Getting set upMoving to Owosso: who provides what
Who provides power, water and the rest in Owosso, 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 Sep 12, 2025.