57223 ZIP Code, Castlewood, SD
57223 is a ZIP code in Castlewood, South Dakota in Hamlin County. It covers 125 square miles of land. The closest ZIP codes are 57234, 57241 and 57238. 1,429 people live here in 510 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (88%). Median household income is $92,424, above the South Dakota median of $75,081.
Quick facts
- Mailing city: Castlewood, SD
- County: Hamlin County
- Land area: 125 sq mi
- Population: 1,429
- Median household income: $92,424
Key figures
| Measure | Value |
|---|---|
| Residents | 1,429 |
| Households | 510 |
| Median household income | $92,424 |
| Income per person | $39,865 |
| Median age | 34.3 |
| Homeowners | 87.6% |
| Median home value | $236,600 |
| Median rent | $1,133 |
| Bachelor's degree or higher | 28.5% |
| Average commute (minutes) | 24.8 |
| Households with kids under 18 | 38.4% |
| Moved in the past year | 2.3% |
| Below the poverty line | 3.4% |
| Broadband internet | 87.1% |
| Speak a non-English language at home | 0.3% |
Household income
| % of households | Value |
|---|---|
| <$10K | 1.2% |
| $10–15K | 2.4% |
| $15–25K | 1.8% |
| $25–35K | 9.0% |
| $35–50K | 7.8% |
| $50–75K | 13.1% |
| $75–100K | 25.3% |
| $100–150K | 23.1% |
| $150–200K | 6.3% |
| $200K+ | 10.0% |
Age
| % of all residents | Value |
|---|---|
| <10 | 22.5% |
| 10–19 | 13.3% |
| 20–24 | 2.1% |
| 25–34 | 12.7% |
| 35–44 | 14.1% |
| 45–54 | 10.3% |
| 55–64 | 12.0% |
| 65–74 | 8.1% |
| 75+ | 4.9% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 48.9% |
| Owned outright | 29.3% |
| Rented | 10.7% |
| Vacant | 11.1% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 88.2% |
| Townhome | 1.4% |
| 2–4 units | 1.4% |
| 5–19 units | 4.0% |
| 20+ units | 0.0% |
| Mobile / other | 5.0% |
Businesses in 57223
43 business establishments with 173 employees (ZIP Codes Business Patterns 2023).
- Construction: 14
- Retail Trade: 6
- Finance and Insurance: 5
- Administrative and Support and Waste Management and Remediation Services: 4
- Professional, Scientific, and Technical Services: 3
- Other Services (except Public Administration): 3
EDDM carrier routes
See every USPS carrier route in 57223 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 57234 — Lake Poinsett CDP, SD (8.6 mi)
- 57241 — Hayti town, SD (11 mi)
- 57238 — Kranzburg town, SD (12.9 mi)
- 57248 — Lake Poinsett CDP, SD (13 mi)
- 57245 — Kranzburg town, SD (13.1 mi)
- 57226 — Clear Lake city, SD (14 mi)
- 57201 — Watertown city, SD (16.2 mi)
- 57220 — Bruce city, SD (17.9 mi)
Areas that include 57223
- Castlewood, SD ZIP codes — 1 ZIP code
- Claremont Colony, SD ZIP codes — 1 ZIP code
- Poinsett Colony, SD ZIP codes — 1 ZIP code
- Hamlin County ZIP codes — 7 ZIP codes
- South Dakota ZIP code data
Mail every home in 57223
Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.
EDDM guides
ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 57223, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 57223 in?
- 57223 is a Castlewood, SD mailing address. None of its land lies inside a Census-defined city or community.
- What county is 57223 in?
- 57223 is in Hamlin County.
- What is the population of 57223?
- About 1,429 people (±158), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 1,437.
- What is the median household income in 57223?
- $92,424 (±$4,210), compared with $75,081 for South Dakota as a whole. Half the households in the ZIP code earn more and half earn less.
- How many carrier routes and mailboxes are in 57223?
- EDDM2GO's stored route library does not include 57223 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 57223?
- The closest, measured center to center: 57234 (8.6 mi, Lake Poinsett), 57241 (11 mi, Hayti), 57238 (12.9 mi, Kranzburg), 57248 (13 mi, Lake Poinsett), 57245 (13.1 mi, Kranzburg) and 57226 (14 mi, Clear Lake).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.