Alto URL: https://knowledge.ivjn.us/en/places/ca-alto.html Alto is a village in California, United States. ## Overview Alto is a village in [California](https://knowledge.ivjn.us/en/places/california.html), United States, with a population of about 711[^geonames]. ## Geography - Coordinates: 37.9044, -122.5255 Updated: 2026-10-29 Relations: - Located in: Marin County https://knowledge.ivjn.us/en/places/ca-marin-county.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip