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Castlewood, SD Demographics & ZIP Codes
Castlewood, South Dakota demographics and median household income by ZIP code (in Hamlin County) — 1 ZIP codes — population 1,367 — median income $88,571 — avg. home value $229,500. Compare income, housing, and population across ZIP codes on US5.
Population
1,367
Median household income (avg.)
$88,571
118% of U.S. median
Average home value
$229,500
66% of U.S. median
Average rent
$827
71% of U.S. median
Median age (avg.)
36.9
Castlewood demographics
Castlewood, South Dakota covers 1 ZIP code primarily in Hamlin County, with a combined ZIP-area population of about 1,367.
Across ZIP codes with age data, the average median age is about 36.9 years.
Median household income in Castlewood
The average median household income across ZIP codes in Castlewood, South Dakota is about $88,571 — about 22% above the SD ZIP average ($72,498), and about 18% above the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $88,571 in 57223.
Housing in Castlewood
For housing in Castlewood, South Dakota, the average median home value is about $229,500 and the average median rent is about $827.
The most populous ZIP in this set is 57223 (about 1,367 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Castlewood
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 57223 | Castlewood | Hamlin County | SD | 1,367 | $88,571 | $229,500 |
Frequently asked questions
What are the demographics of Castlewood?
Castlewood, South Dakota has a combined ZIP-area population of about 1,367 across 1 ZIP codes (primarily Hamlin County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Castlewood?
The average median household income across ZIP codes in Castlewood, South Dakota is about $88,571, about 22% above the state ZIP average ($72,498), and about 18% above the U.S. median ($75,149). Average median home value is about $229,500.
How many ZIP codes are in Castlewood?
Castlewood, South Dakota includes 1 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Castlewood?
This page lists ZIP codes in Castlewood, South Dakota with population, median household income, and home value. Select a ZIP for a full demographics profile.