Isabel, South Dakota
Isabel: Town in Dewey County, South Dakota, United States
About
Isabel is a town located in the county of Dewey in the U.S. state of South Dakota. Its population at the 2010 census was 135 and a population density of 58 people per km². After 10 years in 2020 city had an estimated population of 150 inhabitants.
Quick Facts about Isabel
| Population : | 150 (2020) |
| Country : | United States of America |
| State : | South Dakota (United States) |
| County : | Dewey County |
| Postal code : | 57633 |
| Phone Area Codes : | 605 |
| Area : | 2.34 km2 |
| Water as percent of area : | 0% |
| Land as percent of area : | 100% |
| Altitude : | 2,398 feet / 731 meters |
| Time Zone : | America/Denver |
| Local time : | 07:31:34 (5th December 2025) |
| Density : | 64 Pop. per km² as of 2020 |
| Population growth : | 10% (2010-2020) |
Geography
Isabel is located at 45°23'39"N 101°25'47"W (45.3941500, -101.4295900).
Isabel map
Click "full screen" 
icon to open full mode. View satellite images
icon to open full mode. View satellite images
Demographics
The population of Isabel increased by 10% in 10 years.
| Year | Population | % Change | Method |
| 2010 | 135 | - | census |
| 2011 | 137 | 1.46% | estimation process |
| 2012 | 140 | 2.14% | estimation process |
| 2013 | 141 | 0.71% | estimation process |
| 2014 | 143 | 1.4% | estimation process |
| 2015 | 141 | -1.42% | estimation process |
| 2016 | 150 | 6% | estimation process |
| 2017 | 151 | 0.66% | estimation process |
| 2018 | 153 | 1.31% | estimation process |
| 2019 | 152 | -0.66% | estimation process |
| 2020 | 150 | -1.33% | estimation process |
Isabel zip code is 57633.
County name: Dewey, County
fips: 46041
Other places with the same name (4)
- Isabel , Illinois unincorporated community in Illinois with a population of 179 people.
- Isabel , Kansas city in Barber County, Kansas, United States with a population of 80 people.
- Isabel , North Dakota unincorporated community in North Dakota with a population of 47 people.
Other cities in Dewey County
Cities, towns, neighborhoods & other populated places in Dewey County , SD.
| City Name | Population | Title |
|---|---|---|
| North Eagle Butte | 1,954 | Census designated place in Dewey County, South Dakota, United States |
| Eagle Butte | 1,418 | City in Dewey and Ziebach counties in South Dakota, United States |
| Timber Lake | 491 | City in and county seat of Dewey County, South Dakota, United States |
| Virginia | 292 | Township in Union County, South Dakota |
| Firesteel | 35 | Unincorporated community in South Dakota |
| Moreau | 27 | Township in Perkins County, South Dakota |
