6 ZIP Code Tabulation Areas in Sully County, South Dakota. The population-weighted median household income is about $78,938, the median home value about $228,052, and 72.9% of occupied homes are owner-occupied.
- 6
- ZIP codes
- 21K
- Population
- 53
- Data points
Sully County at a glance
- $78,938
- Median household income
- $228,052
- Median home value
- 41.8
- Median age
- 72.9%
- Owner-occupied
- 10,208
- Housing units
Income, home value, and age are population-weighted averages of the ZIP-level medians in the file. Counts are exact.
Top 5 Sully County ZIP codes by median household income| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 57501 | Cow Creek | 17,326 | 72% | $81,791 |
| 2 | 57564 | Onida | 962 | 80.7% | $74,297 |
| 3 | 57522 | Blunt | 521 | 69.8% | $72,188 |
| 4 | 57442 | Gettysburg | 1,772 | 80.9% | $65,625 |
| 5 | 57536 | Harrold | 277 | 58.6% | $53,125 |
Top 5 Sully County ZIP codes by population| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 57501 | Cow Creek | 17,326 | 72% | $81,791 |
| 2 | 57442 | Gettysburg | 1,772 | 80.9% | $65,625 |
| 3 | 57564 | Onida | 962 | 80.7% | $74,297 |
| 4 | 57522 | Blunt | 521 | 69.8% | $72,188 |
| 5 | 57536 | Harrold | 277 | 58.6% | $53,125 |
Top 5 Sully County ZIP codes by Homeowner GDP| # | ZIP | City | Population | Homeowner % | Median HH $ | Homeowner GDP |
|---|
| 1 | 57501 | Cow Creek | 17,326 | 72% | $81,791 | $414.7M |
| 2 | 57442 | Gettysburg | 1,772 | 80.9% | $65,625 | $43.7M |
| 3 | 57564 | Onida | 962 | 80.7% | $74,297 | $23.9M |
| 4 | 57522 | Blunt | 521 | 69.8% | $72,188 | $12.3M |
| 5 | 57536 | Harrold | 277 | 58.6% | $53,125 | $4.1M |
Homeowner GDP = owner-occupied units × median household income — a proxy for aggregate homeowner spending power in a ZIP, useful for scoring market opportunity. Not an official economic statistic.
Densest: 57501 (Cow Creek) at 31 people/sq mi. Least dense: 57520 (Agar) at 1 people/sq mi.
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