ZIP codes
2
Sully County, SD Demographics & ZIP Codes
Sully County, South Dakota demographics and median household income by ZIP code — 2 ZIP codes — population 1,020 — avg. income $59,292 — avg. home value $156,450. Compare income, housing, and ZIP-level data on US5.
Population
1,020
Median household income (avg.)
$59,292
79% of U.S. median
Average home value
$156,450
45% of U.S. median
Average rent
$907
78% of U.S. median
Sully County demographics
Sully County, South Dakota covers 2 ZIP codes, with a combined ZIP-area population of about 1,020.
Median household income in Sully County
The average median household income across ZIP codes in Sully County, South Dakota is about $59,292 — about 18% below the SD ZIP average ($72,498), and about 21% below the U.S. median ($75,149).
Among ZIPs with income data, 57564 (Onida) is near the top at about $71,708, while 57520 (Agar) is near the bottom at about $46,875.
Housing in Sully County
For housing in Sully County, South Dakota, the average median home value is about $156,450 and the average median rent is about $907.
The most populous ZIP is 57564 (Onida) with about 893 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Sully County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 57564 | Onida | Sully County | SD | 893 | $71,708 | $199,100 |
| 57520 | Agar | Sully County | SD | 127 | $46,875 | $113,800 |
Frequently asked questions
What are the demographics of Sully County?
Sully County, South Dakota has a combined ZIP-area population of about 1,020 across 2 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Sully County?
The average median household income across ZIP codes in Sully County, South Dakota is about $59,292, about 18% below the state ZIP average ($72,498), and about 21% below the U.S. median ($75,149). Average median home value is about $156,450. Among ZIPs with data, 57564 (Onida) is near the top ($71,708) and 57520 (Agar) is near the bottom ($46,875).
How many ZIP codes are in Sully County?
Sully County, South Dakota includes 2 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Sully County?
This page lists ZIP codes in Sully County, South Dakota with population, median household income, and home value. Select a ZIP for a full demographics profile.