57521 ZIP Code, Corn Creek, SD
57521 is a ZIP code in Corn Creek, South Dakota — mostly in Mellette County (50% of its land), with smaller parts in Jackson County. It covers 428 square miles of land. The closest ZIP codes are 57562, 57543 and 57547. 314 people live here in 65 households. It is rural, with fewer than 100 people per square mile, and owners and renters are mixed (52% own). Median household income is $57,813, below the South Dakota median of $75,081; 40% of households have children under 18.
Quick facts
- Mailing city: Corn Creek, SD
- County: Mellette County
- Land area: 428 sq mi
- Population: 314
- Median household income: $57,813
Key figures
| Measure | Value |
|---|---|
| Residents | 314 |
| Households | 65 |
| Median household income | $57,813 |
| Income per person | $28,092 |
| Median age | 30 |
| Homeowners | 52.3% |
| Median home value | not published |
| Median rent | not published |
| Bachelor's degree or higher | 25.1% |
| Average commute (minutes) | 27.7 |
| Households with kids under 18 | 40.0% |
| Moved in the past year | 0.0% |
| Below the poverty line | 19.5% |
| Broadband internet | 67.7% |
| Speak a non-English language at home | 0.0% |
Household income
| % of households | Value |
|---|---|
| <$10K | 15.4% |
| $10–15K | 0.0% |
| $15–25K | 9.2% |
| $25–35K | 4.6% |
| $35–50K | 7.7% |
| $50–75K | 35.4% |
| $75–100K | 9.2% |
| $100–150K | 0.0% |
| $150–200K | 0.0% |
| $200K+ | 18.5% |
Age
| % of all residents | Value |
|---|---|
| <10 | 27.1% |
| 10–19 | 17.2% |
| 20–24 | 0.0% |
| 25–34 | 9.2% |
| 35–44 | 0.0% |
| 45–54 | 18.2% |
| 55–64 | 11.2% |
| 65–74 | 10.2% |
| 75+ | 7.0% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 0.0% |
| Owned outright | 32.4% |
| Rented | 29.5% |
| Vacant | 38.1% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 87.6% |
| Townhome | 0.0% |
| 2–4 units | 0.0% |
| 5–19 units | 0.0% |
| 20+ units | 0.0% |
| Mobile / other | 12.4% |
EDDM carrier routes
See every USPS carrier route in 57521 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 57562 — Okaton CDP, SD (13.3 mi)
- 57543 — Kadoka city, SD (17.2 mi)
- 57547 (24.1 mi)
- 57560 — Norris CDP, SD (24.6 mi)
- 57579 — Horse Creek CDP, SD (24.7 mi)
- 57559 — Murdo city, SD (24.9 mi)
Areas that include 57521
- Belvidere, SD ZIP codes — 1 ZIP code
- Corn Creek, SD ZIP codes — 2 ZIP codes
- Jackson County ZIP codes — 9 ZIP codes
- Mellette County ZIP codes — 4 ZIP codes
- South Dakota ZIP code data
Mail every home in 57521
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) 57521, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 57521 in?
- 57521 is a Corn Creek, SD mailing address. None of its land lies inside a Census-defined city or community.
- What county is 57521 in?
- 57521 is mostly in Mellette County (50% of its land), with smaller parts in Jackson County.
- What is the population of 57521?
- About 314 people (±172), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 240.
- What is the median household income in 57521?
- $57,813 (±$22,665), 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 57521?
- EDDM2GO's stored route library does not include 57521 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 57521?
- The closest, measured center to center: 57562 (13.3 mi, Okaton), 57543 (17.2 mi, Kadoka), 57547 (24.1 mi), 57560 (24.6 mi, Norris), 57579 (24.7 mi, Horse Creek) and 57559 (24.9 mi, Murdo).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.