ZIP code 57520: Agar, SD
57520 is a ZIP code in Agar, South Dakota, mainly in Sully County. About 118 people live here.
- Population
- 118
- Median household income
- $50,417
- Typical home value
- $118,800ACS median value
- Median rent
- —gross, per month
- Median age
- 54.8
- Homeowners
- 66.2%of occupied homes
Shaded: ZIP code 57520's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 57520 details
| City | Agar |
|---|---|
| State | South Dakota |
| County | Sully County |
| Metro area | Not in a metro or micro area |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 157.4 sq mi, plus 0.3 sq mi of water |
| Population density | 1 people per sq mi |
| Bachelor's degree or higher | 34% of adults 25+ |
| Average commute | 15 minutes |
| Center coordinates | 44.85280, -100.19366 |
ZIP codes near 57520
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 57564 | Onida, SD | 11.7 mi | 962 |
| 57442 | Gettysburg, SD | 14.5 mi | 1,772 |
| 57501 | Pierre, SD | 23.2 mi | 17,326 |
| 57522 | Blunt, SD | 26.2 mi | 521 |
| 57455 | Lebanon, SD | 27.2 mi | 137 |
| 57420 | Akaska, SD | 29.7 mi | 260 |
| 57450 | Hoven, SD | 30.5 mi | 624 |
| 57652 | Ridgeview, SD | 30.9 mi | 265 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 57520?
A typical home in ZIP code 57520 is worth about $118,800 (ACS median value). The median household here earns $50,417 a year. See what buying here would cost per month, with South Dakota average taxes and insurance filled in.
Monthly payment for a $118,800 homeWhat can a $50,417 income afford?Rental property numbers
About ZIP code 57520
What city is ZIP code 57520?
ZIP code 57520 is in Agar, SD, in Sully County.
What county is ZIP code 57520 in?
57520 is mainly in Sully County, South Dakota.
What is the population of ZIP code 57520?
About 118 people live in ZIP code 57520, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 57520 in?
57520 is in Central Time (UTC−6). It observes daylight saving time.