Gregory County, SD Demographics & ZIP Codes
Gregory County, South Dakota demographics and median household income by ZIP code — 6 ZIP codes — population 3,806 — avg. income $57,350 — avg. home value $126,680. Compare income, housing, and ZIP-level data on US5.
Gregory County demographics
Gregory County, South Dakota covers 6 ZIP codes, with a combined ZIP-area population of about 3,806.
Median household income in Gregory County
The average median household income across ZIP codes in Gregory County, South Dakota is about $57,350 — about 21% below the SD ZIP average ($72,498), and about 24% below the U.S. median ($75,149).
Among ZIPs with income data, 57335 (Fairfax) is near the top at about $85,000, while 57538 (Herrick) is near the bottom at about $45,500.
Housing in Gregory County
For housing in Gregory County, South Dakota, the average median home value is about $126,680 and the average median rent is about $412.
The most populous ZIP is 57533 (Gregory) with about 1,633 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Gregory County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 57533 | Gregory | Gregory County | SD | 1,633 | $50,000 | $112,800 |
| 57523 | Burke | Gregory County | SD | 953 | $53,750 | $206,500 |
| 57317 | Bonesteel | Gregory County | SD | 621 | $52,500 | $120,300 |
| 57335 | Fairfax | Gregory County | SD | 313 | $85,000 | $121,300 |
| 57538 | Herrick | Gregory County | SD | 247 | $45,500 | — |
| 57571 | St. Charles | Gregory County | SD | 39 | — | $72,500 |
Frequently asked questions
What are the demographics of Gregory County?
Gregory County, South Dakota has a combined ZIP-area population of about 3,806 across 6 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Gregory County?
The average median household income across ZIP codes in Gregory County, South Dakota is about $57,350, about 21% below the state ZIP average ($72,498), and about 24% below the U.S. median ($75,149). Average median home value is about $126,680. Among ZIPs with data, 57335 (Fairfax) is near the top ($85,000) and 57538 (Herrick) is near the bottom ($45,500).
How many ZIP codes are in Gregory County?
Gregory County, South Dakota includes 6 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Gregory County?
This page lists ZIP codes in Gregory County, South Dakota with population, median household income, and home value. Select a ZIP for a full demographics profile.