
Nat Smith House · National Register of Historic Places
Kelso’s story
179 years in pictures
Its founding year, 1847, comes before those of 97% of the Washington towns we grade with a known year.
Census counts: 354 in 1890, 12,720 in 2020. The archive holds 13 old photos and papers going back to 1885 and 4 maps from 1921 on.
3 places on the National Register of Historic Places.
Explore the history →
Getting set upMoving to Kelso: who provides what
Who provides power, water and the rest in Kelso, 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 30, 2026.