57051 ZIP Code, Oldham, SD
57051 is a ZIP code in Oldham, South Dakota — mostly in Kingsbury County (78% of its land), with smaller parts in Miner and Lake counties. It covers 79 square miles of land. The closest ZIP codes are 57054, 57249 and 57061. 163 people live here in 95 households, fewer than in most South Dakota ZIP codes. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (96%). Median household income is $56,250, below the South Dakota median of $75,081; the median age is 60.1, older than most ZIP codes.
Quick facts
- Mailing city: Oldham, SD
- County: Kingsbury County
- Land area: 79 sq mi
- Population: 163
- Median household income: $56,250
Key figures
| Measure | Value |
|---|---|
| Residents | 163 |
| Households | 95 |
| Median household income | $56,250 |
| Income per person | $50,626 |
| Median age | 60.1 |
| Homeowners | 95.8% |
| Median home value | $112,500 |
| Median rent | not published |
| Bachelor's degree or higher | 26.4% |
| Average commute (minutes) | 27.7 |
| Households with kids under 18 | 6.3% |
| Moved in the past year | 9.2% |
| Below the poverty line | 8.0% |
| Broadband internet | 91.6% |
| Speak a non-English language at home | 1.3% |
Household income
| % of households | Value |
|---|---|
| <$10K | 3.2% |
| $10–15K | 6.3% |
| $15–25K | 7.4% |
| $25–35K | 21.1% |
| $35–50K | 9.5% |
| $50–75K | 11.6% |
| $75–100K | 14.7% |
| $100–150K | 23.2% |
| $150–200K | 0.0% |
| $200K+ | 3.2% |
Age
| % of all residents | Value |
|---|---|
| <10 | 5.6% |
| 10–19 | 4.9% |
| 20–24 | 3.7% |
| 25–34 | 6.7% |
| 35–44 | 8.0% |
| 45–54 | 6.1% |
| 55–64 | 30.7% |
| 65–74 | 19.6% |
| 75+ | 14.7% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 19.4% |
| Owned outright | 51.2% |
| Rented | 3.1% |
| Vacant | 26.4% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 89.9% |
| Townhome | 0.8% |
| 2–4 units | 0.0% |
| 5–19 units | 9.3% |
| 20+ units | 0.0% |
| Mobile / other | 0.0% |
Businesses in 57051
10 business establishments with 52 employees (ZIP Codes Business Patterns 2023).
EDDM carrier routes
See every USPS carrier route in 57051 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 57054 — Ramona town, SD (8.3 mi)
- 57249 — Lake Preston city, SD (11.5 mi)
- 57061 — Sinai town, SD (15.3 mi)
- 57212 — Arlington city, SD (15.3 mi)
- 57231 — De Smet city, SD (15.8 mi)
- 57050 — Nunda town, SD (16.9 mi)
- 57076 — Winfred CDP, SD (17 mi)
- 57349 — Vilas town, SD (17.3 mi)
Areas that include 57051
- Oldham, SD ZIP codes — 1 ZIP code
- Kingsbury County ZIP codes — 9 ZIP codes
- Miner County ZIP codes — 7 ZIP codes
- South Dakota ZIP code data
Mail every home in 57051
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) 57051, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 57051 in?
- 57051 is a Oldham, SD mailing address. None of its land lies inside a Census-defined city or community.
- What county is 57051 in?
- 57051 is mostly in Kingsbury County (78% of its land), with smaller parts in Miner and Lake counties.
- What is the population of 57051?
- About 163 people (±43), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 248.
- What is the median household income in 57051?
- $56,250 (±$35,272), 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 57051?
- EDDM2GO's stored route library does not include 57051 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 57051?
- The closest, measured center to center: 57054 (8.3 mi, Ramona), 57249 (11.5 mi, Lake Preston), 57061 (15.3 mi, Sinai), 57212 (15.3 mi, Arlington), 57231 (15.8 mi, De Smet) and 57050 (16.9 mi, Nunda).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.