Sarnia

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Sarnia

Total population

72,366

Coordinates42.97°, -82.40°

Demographic figures from Statistics Canada. Overview below cites Wikipedia and may reference a different year.

Overview

Sarnia is a city in Lambton County, Ontario, Canada. It had a 2021 population of 72,047, and is the largest city on Lake Huron. Sarnia is located on the eastern bank of the junction between the Upper and Lower Great Lakes, where Lake Huron flows into the St. Clair River in the Southwestern Ontario region, which forms the Canada–United States border, directly across from Port Huron, Michigan.

Geography

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

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

James Curnow

American composer

Colleen Moore

American actress (1899–1988)

H

Harrison Young

American actor (1930–2005)

Charlie Cook

American ice hockey defenceman

Terry McMillan

American author

A

Ashton Graybiel

American cardiologist (1902-1995)

Dennis Sullivan

American mathematician

E

Earl Coleman

American singer (1925–1995)

Obadiah Gardner

American politician (1852–1938)

Harry Joseph Bowman

American murderer and biker

Henry McMorran

American politician (1844-1929)

J

Janice Deaner

American author

Bob Allen

American basketball player

Robert J. McIntosh

American politician (1922-2008)

Jason Motte

American baseball relief pitcher

Jack Campbell

American ice hockey goaltender

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

Recent natural events nearby

• Wells Rd Unit 1 RX Prescribed Fire, Iosco, Michigan
  Wildfires · 2026-04-22 · 114 mi
• River Road 16 RX Prescribed Fire, Iosco, Michigan
  Wildfires · 2026-04-19 · 116 mi
• KALKASKA-RX 61150021 Fletcher Unit 2 Prescribed Fire, Kalkaska, Michigan
  Wildfires · 2026-05-28 · 165 mi
• Barren Plains Units 1 & 3 RX Prescribed Fire, Lake, Michigan
  Wildfires · 2026-04-19 · 181 mi
• Baldwin Fuels 6 RX Prescribed Fire, Lake, Michigan
  Wildfires · 2026-04-23 · 186 mi
• Peacock 545 and 159 RX Prescribed Fire, Lake, Michigan
  Wildfires · 2026-04-20 · 190 mi
• Tyndall 469 & 143 RX Prescribed Fire, Mason, Michigan
  Wildfires · 2026-04-26 · 199 mi
• Peterson Road RX Prescribed Fire, Benzie, Michigan
  Wildfires · 2026-05-11 · 220 mi

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

Recently spotted species

Question Mark

Polygonia interrogationis

Seen 2026-06-13

Common Whitetail

Plathemis lydia

Seen 2026-06-13

Twelve-spotted Skimmer

Libellula pulchella

Seen 2026-06-13

Red-eyed Vireo

Vireo olivaceus

Seen 2026-06-13

northern whitecedar

Thuja occidentalis

Seen 2026-06-13

Nessus Sphinx

Amphion floridensis

Seen 2026-06-13

Painted Lady

Vanessa cardui

Seen 2026-06-13

bittersweet nightshade

Solanum dulcamara

Seen 2026-06-13

Quadrate Snipe Fly

Chrysopilus quadratus

Seen 2026-06-13

Research-grade observations from iNaturalist (within ~15 mi).

Gallery

Geotagged photos within ~6 miles of Sarnia, from Wikimedia Commons contributors.

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Photos via Wikimedia Commons — see each image page for license & attribution.

Official Identifiers