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San Dimas

Californiacity

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Total population

33,789

Median home value

$801,800

40.4%

Bachelor's+

Median income

$105,321

San Dimas$105k
National$74k

Air quality index

80Moderate
Coordinates34.11°, -117.81°

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

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City facts

Overview

Set in California, United States, San Dimas is recorded in open geodata as a city. On the world map it falls within the Western Hemisphere, specifically at 34.108°, -117.809°. Census-style estimates put the resident count near 33,789. Resident density is around 869 per km², indicating a moderate population density. Solar-resource estimates put the area at about 2,110 kWh/m² of solar irradiance per year with sunshine for roughly 83% of daylight hours. Climatically, locations at this latitude tend to experience warm summers and cool winters. It covers about 38.9 km² of land area. The sections below expand on demographics, weather, terrain, hazards and nearby points of interest using publicly available datasets.

Summary composed automatically from structured open data on this page. See our Terms for details.

History & geography

Demographics & economy

Median age
43.3
Median home value
$801,800
Housing units
12,370
Poverty rate
9.9%
Unemployment
4.6%

Race & ethnicity

White
40.9%
Black
3.5%
Asian
16.5%
Hispanic
40.9%

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

Geography

Latitude
34.1080
Longitude
-117.8085
Water area
0.39 mi²
View on OpenStreetMap

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

Climate

Air quality

US AQI — Moderate
80
PM2.5 (µg/m³)
21.1
PM10 (µg/m³)
24.5
Ozone (µg/m³)
147
NO₂ (µg/m³)
18.8

Current readings from Open-Meteo Air Quality API (Copernicus CAMS European reanalysis).

Industrial & pollution facilities

Natural hazard risk

Health (adults)

High blood pressure
26.1%
Diabetes
9.4%
Adult obesity
24.4%
Binge drinking
16.9%
Adult smoking
9.6%
No leisure activity
20.7%

Age-adjusted prevalence estimates from CDC PLACES (latest release).

Walkability

Amenities nearby

Wildlife & biodiversity

Observations (last 5 yrs, 10 mi)
963,911
Distinct species (top 10)
10

Most-observed species

  • House Finch
    Haemorhous mexicanus (P.L.Statius Müller, 1776) · Aves
    30,229
  • Mourning Dove
    Zenaida macroura (Linnaeus, 1758) · Aves
    24,364
  • Lesser Goldfinch
    Spinus psaltria (Say, 1822) · Aves
    24,128
  • California Towhee
    Melozone crissalis (Vigors, 1839) · Aves
    23,397
  • Black Phoebe
    Sayornis nigricans (Swainson, 1827) · Aves
    23,246
  • Anna's Hummingbird
    Calypte anna (R.Lesson, 1829) · Aves
    22,165
  • Northern Mockingbird
    Mimus polyglottos (Linnaeus, 1758) · Aves
    22,034
  • California/Woodhouse's Scrub-Jay
    Aphelocoma californica (Vigors, 1839) · Aves
    19,186

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

Schools

Total
204
Elementary
121
Middle
29
High
45
Other
9

Largest nearby schools

  • Diamond Bar High
    High · Diamond Bar · 2,557 students · 26.6:1 ratio
  • Options For Youth - Duarte Inc
    High · City Of Industry · 2,354 students · 28:1 ratio
  • Glendora High
    High · Glendora · 2,273 students · 25:1 ratio
  • Claremont High
    High · Claremont · 2,256 students · 24.8:1 ratio
  • Walnut High
    High · Walnut · 2,158 students · 23.2:1 ratio
  • John A. Rowland High
    High · Rowland Heights · 2,025 students · 24.4:1 ratio
  • West Covina High
    High · West Covina · 1,887 students · 21.4:1 ratio
  • Bonita High
    High · La Verne · 1,883 students · 25.8:1 ratio

Public K–12 schools within ~10 mi from Urban Institute Education Data Portal (NCES Common Core of Data, 2022).

Earthquake history

Quakes ≥ 2.5 (25 yrs, 62 mi)
1,670
Largest magnitude
5.44
Largest event
2008-07-29

Most recent

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

Photos

Sights & places nearby

Notable people from here

Jim Steinman
Jim Steinman
American composer, lyricist and record producer (1947–2021)
Evelyn Stevens
Evelyn Stevens
American racing cyclist
Robert Buckley
Robert Buckley
American actor
Darius McCrary
Darius McCrary
actor
E
Elliot Graham
American film editor
F
Frederick Sumner Brackett
American physicist (1896–1988)
Glenn Davis
Glenn Davis
American football player and Heisman Trophy winner (1924-2005)
Cameron Munter
Cameron Munter
American diplomat
Alex Hinshaw
Alex Hinshaw
American baseball pitcher
J
Jeff Hooker
American soccer player-coach
Z
Zeus Cervas
American writer and animator
Conner Henry
Conner Henry
American basketball player-coach
H
Heather Ann Davis
American actress
A
Anastasia Horne
American actress
D
Dave Coggin
American baseball player
Derek Parks
Derek Parks
American baseball player

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

Geography & sun

Avg solar (kWh/m²/day)
5.78
Annual solar (kWh/m²)
2,110

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

Nearby airports

Public attention

Wikipedia views (last 30 days)
3,105
Avg daily Wikipedia views
107
Attention level
Quiet

Pageview totals from the Wikimedia Pageviews API.

Books about San Dimas

Folk History
Paul McClure · 2017
Quantitative geomorphology of the San Dimas experimental forest, California
Quantitative geomorphology of the San Dimas experimental forest, California
James C. Maxwell · 1960
San Dimas
Paul Rippens · 2008
Principles and Practices of Citrus Culture in California. a Treatise Describing Methods from the Nursery Tree to the Full Bearing Orchard, Including the Harvesting and Packing, That Have Made the Citrus Industry of California the Admiration of Pomologists
San Dimas Citrus Nurseries San Dimas · 2023
The San Dimas Experimental Forest, Glendora, California
The San Dimas Experimental Forest, Glendora, California
California Forest and Range Experiment Station · 1957
San Dimas citrus nurseries
San Dimas citrus nurseries
San Dimas Nurseries · 1901
The San Dimas Experimental Forest
D. Royce Lang · 1938
Principles and practices of citrus culture in California
Principles and practices of citrus culture in California
San Dimas Citrus Nurseries · 1914

Search results from Open Library.

Recent natural events nearby

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

Ground air-quality sensors

Recently spotted species

Nearest stream gauge

Site
SAN ANTONIO C A RIVERSIDE DRIVE NR CHINO CA
Distance
7.6 mi
Streamflow
0 cfs
Gage height
1.07 ft

Live readings from USGS NWIS · measured 2026-10-01 17:00 UTC.

Events

Gallery

Sources

  • • US Census Bureau (ACS 5-year estimates)
  • • Wikidata
  • • Open-Meteo Air Quality (CAMS)
  • • USGS Earthquake Catalog (global feed)
  • • USGS NWIS (water data)
  • • NCES via Urban Institute Education Data Portal
  • • GBIF (Global Biodiversity Information Facility)
  • • CDC PLACES
  • • Open-Meteo / sunrise-sunset.org
  • • Wikipedia Pageviews API
  • • Open Library
  • • NASA EONET