Guest, Sign inJoin

Post to Isabel

We’ll email a one-tap link to publish your post. No password, and nothing is public until you click it.
Already a member? Sign in
South Dakota›Dewey County

IsabelSD

A town of 162, settled in 1910.

Is Isabel a good place to live?

7.6% of adults 25 and older hold a bachelor’s degree or more in Isabel, below both the South Dakota town median (33%) and the median of U.S. towns (29%). Isabel has fewer than 1,000 residents, too few for fair grades; the figures below are still real.

Small town

162 people, and everyone knows the way

In a town this size, neighbors are the best guide. Ask them anything.

Nearby towns
Getting set up

Moving to Isabel: who provides what

Who provides power, water and the rest in Isabel, and how to reach them.

The full setup list →
PowerMoreau-Grand Electric CoopEIAHIFLD · EIA
WaterIsabel water systemNo health-based violations in 5 years · EPAEPA
Internet1 providers100% of addresses get 100/20 MbpsFCC
Trash & dumpNot on file yetWe don’t have Isabel’s trash rules yet
SchoolsTimber Lake School District 20-3Which school depends on your addressNCES
Register to voteIn personSouth Dakota has no online registration; you can register in person until 15 days before Election Day or by mail (received 15 days before).vote.gov
Who runs elections hereDewey County AuditorDewey County; contacts on the Handbook page.FVAP, Jul 2023
ZIP code5763357633 100%Census 2020

EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Aug 3, 2026.

The data

Ordered by what stands out in Isabel.

Climate

The climate in Isabel brings snowy winters and pleasant summers

Summers in Isabel are warm, and winters cold, snowy, with very little rain. Summer afternoons peak near 85° in July, and January nights bottom out around 7°; snowfall runs to about 41 inches a winter.

41″snow a winter

Typical low → high °F

Winter9–29°
Spring31–55°
Summer56–82°
Fall34–58°
Sep 30
typical first frost
May 10
typical last frost
+1.0°
vs. the 20th-century average

NOAA U.S. Climate Normals, 1991–2020

Health

Isabel stands out in South Dakota and nationally: a larger share of its adults smoke cigarettes

Isabel: 18% of adults have diabetes. Of the 36 South Dakota towns we compare, none has a higher share of adults who get no exercise outside work than Isabel.

IsabelSouth Dakota townsU.S. towns
Smoke cigarettes (CDC PLACES)25%14%14%
Diabetes (CDC PLACES)18%10%12%
Frequent physical distress (CDC PLACES)17%12%14%
Get no exercise (CDC PLACES)34%22%25%
26 measures vs. South Dakota
0 better11 too close to call15 worse
What stands outIsabelSD
More adults with COPD12%6.7%
More smokers24.9%15.2%
More adults who have had a stroke5.4%3.5%
Eagle Butte Indian Health Service Hospital
34.8 mi away · emergency room
3 of 3
care shortages: primary care, dental, mental health

CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA

Natural hazards

The biggest natural risk in Isabel is cold waves, at a moderate overall level

FEMA puts 84% of Isabel’s expected hazard losses down to cold waves, and 9% to inland flooding. Expected damage from storms and floods is higher here than in 55% of U.S. communities. Federal disaster aid has reached households in Isabel once, in 2019.

55risk score of 100
FEMA risk score
55Moderate riskLowerHigher
Cold wavesInland flooding
1
federal disasters paid out here

FEMA disaster declarations and aid · FEMA National Risk Index · OpenFEMA

Keep exploring

Everything we know about Isabel

14pages on Isabel
After high school

Colleges nearby

None within 15 miles of Isabel; the nearest are

About Isabel

Town in South Dakota, United States

Isabel is a town in Dewey County, South Dakota, United States. The population was 145 at the 2020 census. Isabel was laid out in 1910, and named in honor of a certain railroad employee's daughter.

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Area
0.9 sq mi
Elevation
2,398 ft
ZIP code
57633
Area code
605

Questions about Isabel

Short answers, built from the data on this page.

Is Isabel, SD a good place to live?

Isabel has fewer than 1,000 residents, too few for fair grades; the figures below are still real.