
Bayo Road · National Register of Historic Places
Los Alamos’s story
85 years in pictures
Los Alamos Scientific Laboratory is a National Historic Landmark, the National Register’s top tier.
Census counts: 11,310 in 1970, 13,179 in 2020. The archive holds 12 old photos and papers going back to 1943 and 4 maps from 1952 on.
5 places on the National Register of Historic Places.
- 1941Los Alamos is settled
Explore the history →
Getting set upMoving to Los Alamos: who provides what
Los Alamos is unincorporated, so Los Alamos County and regional agencies provide most services.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Aug 27, 2026.