Kingsbury County, SD ZIP Codes
9 ZIP codes cover all or part of Kingsbury County, South Dakota. The Census Bureau counts 5,244 residents in the county, with a median household income of $74,000 and a median home value of $169,500. Median household income ranges from $63,182 in 57249 to $96,364 in 57248. Its largest communities include De Smet, Arlington, Lake Preston, Iroquois and Lake Poinsett.
Kingsbury County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 5,244 |
| Households | 2,112 |
| Median household income | $74,000 |
| Median home value | $169,500 |
| Median age | 42.1 |
| Median rent | $685 |
All 9 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 7,474 |
| Households (sum of ZIP codes) | 2,983 |
| Median household income, range across ZIP codes | $63,182 (57249) to $96,364 (57248) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $83,896 |
| Homeowners | 82.8% |
| Households with kids under 18 | 28.2% |
| Moved in the past year | 7.8% |
| Carrier routes in EDDM2GO's route library | 4 routes, 1,248 homes (2 of 9 ZIP codes) |
Top facts
- Highest median household income in Kingsbury County: 57248 ($96,364)
- Most residents: 57212 (1,819 people)
- Highest homeownership: 57231 (86.7% own their home)
- Most households with kids: 57248 (37.8% of households)
- Most new movers: 57248 (13.9% moved in last year)
- Youngest median age: 57248 (27.5 years)
- Highest median home value: 57248 ($293,200)
Every ZIP code in Kingsbury County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 57212 | Arlington | 1,819 | 770 | $93,750 | $238,100 | 82.7% | 29.9% | 8.7% | 3 | 893 | 56% of its land |
| 57231 | De Smet | 1,724 | 721 | $78,646 | $212,200 | 86.7% | 27.9% | 3.9% | — | — | 100% of its land |
| 57248 | Lake Norden | 1,295 | 426 | $96,364 | $293,200 | 78.2% | 37.8% | 13.9% | 1 | 391 | 19% of its land |
| 57249 | Lake Preston | 1,023 | 440 | $63,182 | $193,300 | 75.9% | 18.6% | 7.9% | — | — | 100% of its land |
| 57353 | Iroquois | 812 | 332 | $75,625 | $139,300 | 81.9% | 30.7% | 6.3% | — | — | 56% of its land |
| 57233 | Erwin | 350 | 57 | $82,917 | — | 86.0% | 61.4% | 2.6% | — | — | 100% of its land |
| 57051 | Oldham | 163 | 95 | $56,250 | $112,500 | 95.8% | 6.3% | 9.2% | — | — | 78% of its land |
| 57214 | Badger | 162 | 60 | $65,000 | $70,000 | 96.7% | 36.7% | 3.1% | — | — | 100% of its land |
| 57323 | Carthage | 126 | 82 | $51,250 | $70,000 | 87.8% | 2.4% | 11.9% | — | — | 23% of its land |
A ZIP code is listed for Kingsbury County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- De Smet — 943 residents · 1 ZIP code
- Arlington — 920 residents · 1 ZIP code
- Lake Preston — 596 residents · 1 ZIP code
- Iroquois — 389 residents · 1 ZIP code
- Lake Poinsett — 348 residents · 3 ZIP codes
- Badger — 162 residents · 1 ZIP code
- Erwin — 105 residents · 1 ZIP code
- Oldham — 75 residents · 1 ZIP code
- Spring Lake Colony — 35 residents · 1 ZIP code
- Bancroft — 16 residents · 1 ZIP code
- Hetland — 10 residents · 1 ZIP code
- Collins Colony — 0 residents · 1 ZIP code
- Pearl Creek Colony — 0 residents · 1 ZIP code
Price a mailing to Kingsbury County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Kingsbury County, SD?
- 57212, 57231, 57248, 57249, 57353, 57233, 57051, 57214 and 57323. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Kingsbury County?
- 5,244 residents in 2,112 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Kingsbury County?
- $74,000 for the county as a whole. Its ZIP codes range from $63,182 (57249) to $96,364 (57248).
- Which Kingsbury County ZIP code has the highest median household income?
- 57248, at $96,364, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Kingsbury County?
- For the 2 of 9 ZIP codes in EDDM2GO's stored route library: 4 carrier routes reaching 1,248 residential and 36 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.