ZIP codes
6
Clark County, SD Demographics & ZIP Codes
Clark County, South Dakota demographics and median household income by ZIP code — 6 ZIP codes — population 3,595 — avg. income $62,663 — avg. home value $132,450. Compare income, housing, and ZIP-level data on US5.
Population
3,595
Median household income (avg.)
$62,663
83% of U.S. median
Average home value
$132,450
38% of U.S. median
Average rent
$529
45% of U.S. median
Clark County demographics
Clark County, South Dakota covers 6 ZIP codes, with a combined ZIP-area population of about 3,595.
Median household income in Clark County
The average median household income across ZIP codes in Clark County, South Dakota is about $62,663 — about 14% below the SD ZIP average ($72,498), and about 17% below the U.S. median ($75,149).
Among ZIPs with income data, 57236 (Hillcrest Colony) is near the top at about $81,250, while 57258 (Fordham Colony) is near the bottom at about $43,750.
Housing in Clark County
For housing in Clark County, South Dakota, the average median home value is about $132,450 and the average median rent is about $529.
The most populous ZIP is 57225 (Clark) with about 1,760 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Clark County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 57225 | Clark | Clark County | SD | 1,760 | $58,352 | $144,200 |
| 57278 | Willow Lake | Clark County | SD | 1,082 | $65,938 | $202,700 |
| 57258 | Fordham Colony | Clark County | SD | 269 | $43,750 | $80,000 |
| 57271 | Vienna | Clark County | SD | 195 | $67,625 | — |
| 57217 | Crocker | Clark County | SD | 186 | $59,063 | $102,900 |
| 57236 | Hillcrest Colony | Clark County | SD | 103 | $81,250 | — |
Frequently asked questions
What are the demographics of Clark County?
Clark County, South Dakota has a combined ZIP-area population of about 3,595 across 6 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Clark County?
The average median household income across ZIP codes in Clark County, South Dakota is about $62,663, about 14% below the state ZIP average ($72,498), and about 17% below the U.S. median ($75,149). Average median home value is about $132,450. Among ZIPs with data, 57236 (Hillcrest Colony) is near the top ($81,250) and 57258 (Fordham Colony) is near the bottom ($43,750).
How many ZIP codes are in Clark County?
Clark 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 Clark County?
This page lists ZIP codes in Clark County, South Dakota with population, median household income, and home value. Select a ZIP for a full demographics profile.