57365 ZIP Code, Oacoma, SD
57365 is a ZIP code in Oacoma, South Dakota in Lyman County. It covers 62 square miles of land. The closest ZIP codes are 57325, 57569 and 57370. 599 people live here in 264 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (80%). Median household income is $76,000, close to the South Dakota median of $75,081.
Quick facts
- Mailing city: Oacoma, SD
- County: Lyman County
- Land area: 62 sq mi
- Population: 599
- Median household income: $76,000
Key figures
| Measure | Value |
|---|---|
| Residents | 599 |
| Households | 264 |
| Median household income | $76,000 |
| Income per person | $56,943 |
| Median age | 41.2 |
| Homeowners | 79.5% |
| Median home value | $218,400 |
| Median rent | $883 |
| Bachelor's degree or higher | 23.6% |
| Average commute (minutes) | 14.5 |
| Households with kids under 18 | 28.4% |
| Moved in the past year | 3.8% |
| Below the poverty line | 7.0% |
| Broadband internet | 89.8% |
| Speak a non-English language at home | 1.8% |
Household income
| % of households | Value |
|---|---|
| <$10K | 3.4% |
| $10–15K | 0.0% |
| $15–25K | 9.8% |
| $25–35K | 12.1% |
| $35–50K | 8.3% |
| $50–75K | 15.5% |
| $75–100K | 17.8% |
| $100–150K | 16.7% |
| $150–200K | 6.1% |
| $200K+ | 10.2% |
Age
| % of all residents | Value |
|---|---|
| <10 | 17.3% |
| 10–19 | 5.8% |
| 20–24 | 1.7% |
| 25–34 | 13.5% |
| 35–44 | 13.4% |
| 45–54 | 8.5% |
| 55–64 | 13.4% |
| 65–74 | 14.9% |
| 75+ | 11.5% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 26.7% |
| Owned outright | 36.8% |
| Rented | 16.0% |
| Vacant | 20.5% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 73.0% |
| Townhome | 0.6% |
| 2–4 units | 3.3% |
| 5–19 units | 10.5% |
| 20+ units | 0.0% |
| Mobile / other | 12.6% |
Businesses in 57365
24 business establishments with 256 employees (ZIP Codes Business Patterns 2023).
- Accommodation and Food Services: 9
- Retail Trade: 8
- Construction: 3
EDDM carrier routes
See every USPS carrier route in 57365 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 57325 — Chamberlain city, SD (5.5 mi)
- 57569 — Reliance town, SD (7.6 mi)
- 57370 — Pukwana town, SD (12.4 mi)
- 57534 — Hamill CDP, SD (20.9 mi)
- 57339 — Fort Thompson CDP, SD (21.9 mi)
- 57544 — Kennebec town, SD (21.9 mi)
- 57355 — Kimball city, SD (24.3 mi)
- 57341 — Gann Valley CDP, SD (24.6 mi)
Areas that include 57365
- Oacoma, SD ZIP codes — 1 ZIP code
- Lyman County ZIP codes — 9 ZIP codes
- South Dakota ZIP code data
Mail every home in 57365
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) 57365, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 57365 in?
- 57365 is a Oacoma, SD mailing address. By land area, 4% lies inside Oacoma; the rest is outside any Census-defined city or community.
- What county is 57365 in?
- 57365 is in Lyman County.
- What is the population of 57365?
- About 599 people (±118), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 456.
- What is the median household income in 57365?
- $76,000 (±$28,470), 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 57365?
- EDDM2GO's stored route library does not include 57365 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 57365?
- The closest, measured center to center: 57325 (5.5 mi, Chamberlain), 57569 (7.6 mi, Reliance), 57370 (12.4 mi, Pukwana), 57534 (20.9 mi, Hamill), 57339 (21.9 mi, Fort Thompson) and 57544 (21.9 mi, Kennebec).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.