57233 ZIP Code, Erwin, SD
57233 is a ZIP code in Erwin, South Dakota in Kingsbury County. It covers 37 square miles of land. The closest ZIP codes are 57221, 57249 and 57214. 350 people live here in 57 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (86%). Median household income is $82,917, above the South Dakota median of $75,081; 61% of households have children under 18.
Quick facts
- Mailing city: Erwin, SD
- County: Kingsbury County
- Land area: 37 sq mi
- Population: 350
- Median household income: $82,917
Key figures
| Measure | Value |
|---|---|
| Residents | 350 |
| Households | 57 |
| Median household income | $82,917 |
| Income per person | $18,478 |
| Median age | 15.4 |
| Homeowners | 86.0% |
| Median home value | not published |
| Median rent | not published |
| Bachelor's degree or higher | 5.2% |
| Average commute (minutes) | 22 |
| Households with kids under 18 | 61.4% |
| Moved in the past year | 2.6% |
| Below the poverty line | 0.0% |
| Broadband internet | 96.5% |
| Speak a non-English language at home | 0.0% |
Household income
| % of households | Value |
|---|---|
| <$10K | 0.0% |
| $10–15K | 0.0% |
| $15–25K | 1.8% |
| $25–35K | 1.8% |
| $35–50K | 7.0% |
| $50–75K | 35.1% |
| $75–100K | 21.1% |
| $100–150K | 12.3% |
| $150–200K | 0.0% |
| $200K+ | 21.1% |
Age
| % of all residents | Value |
|---|---|
| <10 | 35.2% |
| 10–19 | 26.5% |
| 20–24 | 5.1% |
| 25–34 | 9.7% |
| 35–44 | 10.9% |
| 45–54 | 6.3% |
| 55–64 | 1.4% |
| 65–74 | 3.1% |
| 75+ | 1.7% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 28.2% |
| Owned outright | 40.8% |
| Rented | 11.3% |
| Vacant | 19.7% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 97.2% |
| Townhome | 0.0% |
| 2–4 units | 0.0% |
| 5–19 units | 0.0% |
| 20+ units | 0.0% |
| Mobile / other | 2.8% |
EDDM carrier routes
See every USPS carrier route in 57233 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 57221 — Bryant city, SD (7.1 mi)
- 57249 — Lake Preston city, SD (8.9 mi)
- 57214 — Badger town, SD (10.3 mi)
- 57248 — Lake Poinsett CDP, SD (11.6 mi)
- 57231 — De Smet city, SD (12.9 mi)
- 57212 — Arlington city, SD (15.7 mi)
- 57241 — Hayti town, SD (15.7 mi)
- 57278 — Willow Lake city, SD (16.9 mi)
Areas that include 57233
- Erwin, SD ZIP codes — 1 ZIP code
- Kingsbury County ZIP codes — 9 ZIP codes
- South Dakota ZIP code data
Mail every home in 57233
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) 57233, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 57233 in?
- 57233 is a Erwin, SD mailing address. By land area, 1% lies inside Erwin; the rest is outside any Census-defined city or community.
- What county is 57233 in?
- 57233 is in Kingsbury County.
- What is the population of 57233?
- About 350 people (±143), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 131.
- What is the median household income in 57233?
- $82,917 (±$16,049), 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 57233?
- EDDM2GO's stored route library does not include 57233 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 57233?
- The closest, measured center to center: 57221 (7.1 mi, Bryant), 57249 (8.9 mi, Lake Preston), 57214 (10.3 mi, Badger), 57248 (11.6 mi, Lake Poinsett), 57231 (12.9 mi, De Smet) and 57212 (15.7 mi, Arlington).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.