ZIP codes
3
Spearfish, SD Demographics & ZIP Codes
Spearfish, South Dakota demographics and median household income by ZIP code (in Lawrence County) — 3 ZIP codes — population 19,549 — median income $74,706 — avg. home value $312,850. Compare income, housing, and population across ZIP codes on US5.
Population
19,549
Median household income (avg.)
$74,706
99% of U.S. median
Average home value
$312,850
90% of U.S. median
Average rent
$765
66% of U.S. median
Median age (avg.)
37.1
Spearfish demographics
Spearfish, South Dakota covers 3 ZIP codes primarily in Lawrence County, with a combined ZIP-area population of about 19,549.
Across ZIP codes with age data, the average median age is about 37.1 years.
Median household income in Spearfish
The average median household income across ZIP codes in Spearfish, South Dakota is about $74,706 — about 3% above the SD ZIP average ($72,498), and about even with the U.S. median ($75,149).
Among ZIPs with income data, 57793 is near the top at about $84,441, while 57783 is near the bottom at about $64,970.
Housing in Spearfish
For housing in Spearfish, South Dakota, the average median home value is about $312,850 and the average median rent is about $765.
The most populous ZIP in this set is 57783 (about 16,929 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Spearfish
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 57783 | Spearfish | Lawrence County | SD | 16,929 | $64,970 | $332,300 |
| 57793 | Spearfish | Lawrence County | SD | 2,042 | $84,441 | $293,400 |
| 57799 | Spearfish | Lawrence County | SD | 578 | — | — |
Frequently asked questions
What are the demographics of Spearfish?
Spearfish, South Dakota has a combined ZIP-area population of about 19,549 across 3 ZIP codes (primarily Lawrence County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Spearfish?
The average median household income across ZIP codes in Spearfish, South Dakota is about $74,706, about 3% above the state ZIP average ($72,498), and near the U.S. median ($75,149). Average median home value is about $312,850. Among ZIPs with data, 57793 is near the top ($84,441) and 57783 is near the bottom ($64,970).
How many ZIP codes are in Spearfish?
Spearfish, South Dakota includes 3 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Spearfish?
This page lists ZIP codes in Spearfish, South Dakota with population, median household income, and home value. Select a ZIP for a full demographics profile.