Agar, South Dakota
Agar: town in South Dakota, United States of America
About
Agar is a town located in the county of Sully in the U.S. state of South Dakota. Its population at the 2010 census was 76. After 10 years in 2020 city had an estimated population of 80 inhabitants.
Quick Facts about Agar
| Population | 80 (2020) |
| Country | United States of America |
| State | South Dakota (United States) |
| County | Sully County |
| Postal code | 57520 |
| Phone Area Codes | 605 |
| Area | 414398 km2 |
| Latitude & Longitude | 44.8383,-100.0746 |
| Altitude | 6,070 feet / 1850 meters |
| Time Zone | UTC−06:00, Central Time Zone |
| Local time | 23:11:23 (22nd April 2026) |
| Population growth | 5% (2010-2020) |
| Weather | 89℉ Mostly Sunny 7-days weather |
Geography
Agar is located at 44°50'18"N 100°4'28"W (44.8383200, -100.0745700).
Agar map
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Weather
89°F
Mostly Sunny
13 to 23 mph SSE
Wednesday
Mostly sunny, with a high near 89. South southeast wind 13 to 23 mph, with gusts as high as 32 mph.
7-Day ForecastDemographics
The population of Agar increased by 5% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 76 | - | census |
| 2011 | 75 | -1.33% | estimation process |
| 2012 | 79 | 5.06% | estimation process |
| 2013 | 80 | 1.25% | estimation process |
| 2014 | 79 | -1.27% | estimation process |
| 2015 | 78 | -1.28% | estimation process |
| 2016 | 80 | 2.5% | estimation process |
| 2017 | 79 | -1.27% | estimation process |
| 2018 | 79 | 0% | estimation process |
| 2019 | 80 | 1.25% | estimation process |
| 2020 | 80 | 0% | estimation process |
Agar zip code is 57520.
County name: Sully, County
fips: 46119
Closest post offices linked to Agar.
| Post Office Name | City | ZIP |
|---|---|---|
| Agar Post Office | Agar (SD) | 57520 |
Other cities in Sully County
Cities, towns, neighborhoods & other populated places in Sully County , SD.
| City Name | Population | Title |
|---|---|---|
| Onida | 628 | City in and county seat of Sully County, South Dakota, United States |