Sully County, SD Zip Codes
2 zip codes across 2 cities in Sully County, SD
About Sully County
Sully County, South Dakota (SD) contains 2 unique zip codes spanning 2 cities and communities. Each zip code covers a different area within the county, with varying demographics, income levels, and housing markets.
Browse the complete list below to find detailed population, income, home values, cost of living, and climate data for any zip code in Sully County.
Cities in Sully County
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All Zip Codes in Sully County, SD
| Zip Code | City |
|---|---|
| 57520 | Agar |
| 57564 | Onida |
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Frequently Asked Questions
How many zip codes are in Sully County, SD?
Sully County, SD has 2 zip codes across 2 cities.
What cities are in Sully County?
Cities in Sully County include Agar, Onida.
What state is Sully County in?
Sully County is located in South Dakota (SD).
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.