Town guide
Sarnia
A township of 39 people in Nelson County, North Dakota
From your neighbors
What’s happening
Weather
Forecast →Coming up
Upcoming events
Nothing on the calendar yet
Add an event →Put the next local happening — a market, a meeting, a concert — on the map.
Around town
All news →Local news
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Headlines via Google News · Articles belong to their publishers.
The Sarnia album
0 of 12 shotsNeighbors document Sarnia together
Outdoors in Sarnia
Parks & trails →Conserved land41%9,267 of 22,864 acres
Trails26 mi0.7 mi per sq mi
Parks & preserves0named on the map
Know a trail or park that’s missing? Anyone can add it to OpenStreetMap, and it shows up here on the next refresh.
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
Town numbers
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Living in Sarnia
Health in Sarnia
Compared with North Dakota
6better than ND·8worse
of 32 measures CDC estimates. The other 18 are too close to call.
BetterToo close to callWorse
What stands out
Care nearby
First Care Health CenterPark River · 23.8 mi · ER · rural critical access
Spectra Health LarimoreLarimore · 27.6 mi · sliding-scale fees
Primary careNo shortage
DentalNo shortage
Mental healthShortage · county-wide
CDC PLACES 2025 · modeled estimates for adults · ZIP codes 58259, 58321 · CMS · HRSAHealth in Sarnia →
Natural hazards in Sarnia
Moderate
Expected storm and flood damage is higher than in 52% of U.S. communities.
🥶 Cold waves🧊 Hail🌊 Inland flooding
FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Sarnia →
Climate in Sarnia
Full climate →Sarnia has cold, snowy winters and pleasant summers, with very little rain. A typical July afternoon reaches 79°, a January night drops to -3°, and about 43 inches of snow falls in a normal winter.
18° / 1°Winter
49° / 28°Spring
77° / 54°Summer
51° / 31°Fall
NOAA U.S. Climate Normals, 1991–2020Climate in Sarnia →
Libraries near Sarnia
See all →Nearest: Michigan Public LibraryMichigan · 8.8 miles
Where Sarnia is
Explore map →Imported town boundary
North Dakota · ND · Nelson CountyTown boundary on OpenStreetMap →
Around town
Explore map →Bordering towns
How things work in Sarnia
All explainers →No one has written Sarnia’s explainers yetKnow how one of these works here? Each explainer earns +10 karma.