Alto

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Alto

Total population

1,024

Median home value

$0

67.1%

Bachelor's+

Median income

$129,191

Alto$129k

National$74k

Elevation8 m

Land area0.33 km²

Weather81°F · Sunny

Coordinates37.91°, -122.52°

Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.

City facts

Facts from Wikidata (CC0).

Overview

Alto is a census-designated place adjacent to Mill Valley, California, United States, located in Marin County. It lies at an elevation of 26 feet. The population was 732 at the 2020 census.

History & geography

Excerpted from the corresponding Wikipedia article (CC BY-SA).

Demographics & economy

Source: US Census Bureau — American Community Survey, 5-year estimates.

Geography

Coordinates & boundaries from the US Census TIGER/Line shapefiles.

Current forecast

Forecast for Alto, CA from NOAA NWS API.

Wildlife & biodiversity

Citizen-science & research observations from the Global Biodiversity Information Facility (GBIF).

Earthquake history

Events from the USGS Earthquake Catalog (global) (FDSN Event Web Service).

Notable people from here

Mariel Hemingway

American actress and author

Edward Neumeier

American screenwriter

Eve Arden

American actress (1908–1990)

P

Peter Woodring

American soccer player

S

Signy Coleman

American actress

T

Todd McKee

American actor

J. R. Hildebrand

American racing driver

Frank Moore Cross

American biblical scholar (1921–2012)

J

Justin England

American bicycle racer

B

Brooke Smith

American basketball player (born 1984)

R

Rainer Marten

German philosopher

M

Michael Reilly Burke

American actor

A

Alan Sues

American actor (1926–2011)

Cole Swensen

Poet, translator, editor, professor

Alessandro Borghese

Italian cook and television presenter (born 1976)

William Leonard Pickard

American writer and researcher

People born within ~10 km, from Wikidata (CC0). Click any name for their Wikipedia article.

Nearby places in California

• Muir Beach
  4.5 mi away
• North Richmond
  9.1 mi away
• East Richmond Heights
  11.5 mi away
• El Sobrante
  12.7 mi away
• Pinole
  12.8 mi away
• Black Point-Green Point
  14.2 mi away
• Nicasio
  14.6 mi away
• Piedmont
  16.8 mi away
• Orinda
  19.2 mi away
• Point Reyes Station
  20.1 mi away
• Port Costa
  20.6 mi away
• Alhambra Valley
  21.3 mi away · pop. 979

Browse all places in California →

Geography & sun

Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.

Public attention

Pageview totals from the Wikimedia Pageviews API.

Books about Alto

Palo Alto

Malcolm Harris · 2023

City Maps Palo Alto California, USA

James McFee · 2017

Welcome to Palo Alto, California

Glimpses of Leland Stanford, Jr., University, Palo Alto, California

J. Collier · 1902

Conference proceedings

ACM Conference on the History of Personal Workstations (1986 Palo Alto, Calif.) · 1986

Typhoid fever epidemic at Palo Alto, California

J. C. L. Fish · 1905

Zoning ordinance of the city of Palo Alto, California

Palo Alto (Calif.). · 1932

Rand McNally Peninsula Cities, Burlingame to Palo Alto, California

Rand McNally · 1999

Search results from Open Library.

Recent natural events nearby

• Wildfire FELIZ, Mendocino, California
  Wildfires · 2026-08-01 · 83 mi
• Wildfire GANN, Calaveras, California
  Wildfires · 2026-08-03 · 96 mi
• Wildfire Timber, Monterey, California
  Wildfires · 2026-08-09 · 125 mi
• Wildfire Plaskett, Monterey, California
  Wildfires · 2026-08-26 · 151 mi
• Wildfire Hawk, Washoe, Nevada
  Wildfires · 2026-08-22 · 179 mi
• Wildfire Hawk, Washoe, Nevada
  Wildfires · 2026-08-22 · 179 mi
• Wildfire Bug, Lassen, California
  Wildfires · 2026-08-08 · 184 mi
• Wildfire Fred Mt, Washoe, Nevada
  Wildfires · 2026-08-09 · 193 mi

Wildfires, storms and other events from NASA EONET (last 12 months, within 250 mi).