ZIP code 57782
Where is ZIP code 57782?
Smithwick, South Dakota
Fall River County · PO Box only ZIP code
ZIP code 57782 belongs to Smithwick, South Dakota in Fall River County. 57782 is a PO Box only ZIP code: it is used for post office boxes at the Smithwick post office, not for street addresses. It is in the Mountain Time zone and uses area code 605. About 58 people live in the 57782 area, where the median household income is $65,500. The closest ZIP codes are 57766 (Oral, 6.2 mi north), 57763 (Oelrichs, 10.1 mi south) and 57722 (Buffalo Gap, 14.8 mi north).
| ZIP code | 57782 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Smithwick |
| State | South Dakota (SD) |
| County | Fall River County |
| Time zone | Mountain Time · now |
| Area code | 605 |
| Coordinates | 43.3014, -103.2183 map |
| 3-digit prefix | 577 |
Population and income in 57782
| Population | 58 · lower than 97% of South Dakota ZIP codes |
|---|---|
| People per square mile | 1 · lower than 89% of South Dakota ZIP codes |
| Median age | 42.9 years · higher than 56% of South Dakota ZIP codes |
| Men / women | 45% / 55% |
| Median household income | $65,500 · lower than 71% of South Dakota ZIP codes |
| Income per person | $28,745 |
| Below the poverty line | 1.7% |
| Bachelor’s degree or higher | 64% of adults 25+ |
| Median home value | $270,500 · higher than 83% of South Dakota ZIP codes |
| Housing units | 26 |
| Households | 26 (2.23 people on average) |
| Owners / renters | 96% / 3.8% |
| Land area | 51 sq mi (plus 0.01 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 57782. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 57782
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 57766 | Oral, SD | 6.2 mi N | Standard |
| 57763 | Oelrichs, SD | 10.1 mi S | Standard |
| 57722 | Buffalo Gap, SD | 14.8 mi N | Standard |
| 57747 | Hot Springs, SD | 15.4 mi NW | Standard |
| 57738 | Fairburn, SD | 24.9 mi N | Standard |
| 57764 | Oglala, SD | 25.3 mi E | Standard |
| 57730 | Custer, SD | 26.7 mi NW | Standard |
| 57773 | Pringle, SD | 28.4 mi NW | PO Box only |
| 57735 | Edgemont, SD | 29.8 mi W | Standard |
| 57770 | Pine Ridge, SD | 33.8 mi E | Standard |
| 69337 | Chadron, NE | 35.2 mi S | Standard |
| 57744 | Hermosa, SD | 35.8 mi N | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 57782 or measure the distance to another ZIP code.
How to address mail to 57782
PO BOX 123
SMITHWICK SD 57782
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (57782-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 57782?
- 57782 is a Smithwick, South Dakota ZIP code.
- What county is 57782 in?
- ZIP code 57782 is in Fall River County, South Dakota.
- What time zone is ZIP code 57782 in?
- 57782 is in the Mountain Time zone (America/Denver).
- What area code is 57782?
- Phone numbers in ZIP code 57782 use area code 605.
- What is the population of ZIP code 57782?
- About 58 people live in ZIP code 57782, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 57782?
- The median household income in 57782 is $65,500 a year, lower than 71% of South Dakota ZIP codes.
- Can I use 57782 for a street address?
- No. 57782 is only for PO Boxes. Street addresses in Smithwick use another ZIP code.
- What ZIP codes are near 57782?
- The nearest ZIP codes to 57782 are 57766 (Oral, 6.2 miles), 57763 (Oelrichs, 10.1 miles), 57722 (Buffalo Gap, 14.8 miles) and 57747 (Hot Springs, 15.4 miles).