57631 ZIP Code, Glenham, SD
57631 is a ZIP code in Glenham, South Dakota — mostly in Walworth County (52% of its land), with smaller parts in Campbell County. It covers 130 square miles of land. The closest ZIP codes are 57646, 57658 and 57472. 364 people live here in 207 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (90%). Median household income is $56,827, below the South Dakota median of $75,081; the median age is 60.7, older than most ZIP codes.
Quick facts
- Mailing city: Glenham, SD
- County: Walworth County
- Land area: 130 sq mi
- Population: 364
- Median household income: $56,827
Key figures
| Measure | Value |
|---|---|
| Residents | 364 |
| Households | 207 |
| Median household income | $56,827 |
| Income per person | $52,384 |
| Median age | 60.7 |
| Homeowners | 90.3% |
| Median home value | $162,500 |
| Median rent | not published |
| Bachelor's degree or higher | 21.6% |
| Average commute (minutes) | 15 |
| Households with kids under 18 | 7.2% |
| Moved in the past year | 20.6% |
| Below the poverty line | 0.5% |
| Broadband internet | 85.5% |
| Speak a non-English language at home | 0.0% |
Household income
| % of households | Value |
|---|---|
| <$10K | 0.0% |
| $10–15K | 0.0% |
| $15–25K | 8.2% |
| $25–35K | 14.0% |
| $35–50K | 9.2% |
| $50–75K | 30.9% |
| $75–100K | 12.6% |
| $100–150K | 6.3% |
| $150–200K | 4.3% |
| $200K+ | 14.5% |
Age
| % of all residents | Value |
|---|---|
| <10 | 3.9% |
| 10–19 | 4.3% |
| 20–24 | 16.8% |
| 25–34 | 2.7% |
| 35–44 | 5.5% |
| 45–54 | 13.5% |
| 55–64 | 12.9% |
| 65–74 | 33.2% |
| 75+ | 7.1% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 21.1% |
| Owned outright | 42.5% |
| Rented | 6.7% |
| Vacant | 29.8% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 64.9% |
| Townhome | 0.0% |
| 2–4 units | 0.3% |
| 5–19 units | 0.0% |
| 20+ units | 0.0% |
| Mobile / other | 34.8% |
Businesses in 57631
6 business establishments with 18 employees (ZIP Codes Business Patterns 2023).
EDDM carrier routes
See every USPS carrier route in 57631 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 57646 — Mound City town, SD (13.1 mi)
- 57658 — Wakpala CDP, SD (14 mi)
- 57472 — Selby city, SD (14.3 mi)
- 57601 — Mobridge city, SD (17.6 mi)
- 57632 — Herreid city, SD (20.8 mi)
- 57452 — Java town, SD (21.4 mi)
- 57420 — Akaska town, SD (22.5 mi)
- 57648 — Pollock town, SD (23.6 mi)
Areas that include 57631
- Glenham, SD ZIP codes — 1 ZIP code
- Campbell County ZIP codes — 6 ZIP codes
- Walworth County ZIP codes — 6 ZIP codes
- South Dakota ZIP code data
Mail every home in 57631
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) 57631, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 57631 in?
- 57631 is a Glenham, SD mailing address. None of its land lies inside a Census-defined city or community.
- What county is 57631 in?
- 57631 is mostly in Walworth County (52% of its land), with smaller parts in Campbell County.
- What is the population of 57631?
- About 364 people (±109), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 362.
- What is the median household income in 57631?
- $56,827 (±$10,901), 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 57631?
- EDDM2GO's stored route library does not include 57631 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 57631?
- The closest, measured center to center: 57646 (13.1 mi, Mound City), 57658 (14 mi, Wakpala), 57472 (14.3 mi, Selby), 57601 (17.6 mi, Mobridge), 57632 (20.8 mi, Herreid) and 57452 (21.4 mi, Java).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.